(October 12, 2023) Humboldt Bay (Wigi, to the Wiyot people) is actually a lagoon, the largest protected large body of water between San Francisco and Puget Sound. It's about 14 miles long and...

Field Notes

Share some details about your home project. Within moments, match with highly-rated local pros. Compare quotes and choose the best pro for the job.

Get matched with top appliance repair services in Martinsburg , WV

I was able to avoid the crowds, jetbridge queue, and overall stress of boarding. I was also one of the first people off the plane after landing despite being on the upper-level thanks to the ...

I flew on Korean Air's Boeing 747 in business from LA to Seoul and the upstairs cabin felt like a private jet

Hong Kong International Airport's Terminal 1 experienced a passenger boarding bridge collapse, but no injuries were reported. The incident was caused by a short circuit due to water ingress from the recent super typhoon, triggering safety mechanisms. A similar collapse incident occurred in 2013, with severe damage and injuries to an operator.

JetBridge Collapses At Hong Kong International Airport

Father and son explore the desert landscapes of Nevada in a Ram Rebel G/T.

A Road Trip at the Edge of Seventeen

Hong Kong language group shuts down after essay alleged to have breached security law The Globe and Mail15:04 28-Aug-23 Hong Kong language group closes after post accused of breaching security law Digital Journal11:52 28-Aug-23 A Hong Kong language group ...

Hong Kong Protests - Law security

Frankfurt Airport experienced severe flight disruption and cancelations due to heavy rain and flooding caused by thunderstorms. Ground handling work came to a standstill for over two hours, and more than 20 arriving flights had to divert to other airports ...

Frankfurt Airport Flooded And Flights Canceled As Thunderstorm Rolls Through

Gomas was already standing on the jetbridge when officers arrived, and refused to speak, according to DFW Airport records. The officers spoke with an American supervisor who said Gomas had been arguing with a family and accused them of stealing her AirPods, then shortly after Gomas began her outburst claiming the aircraft was not safe.

Tiffany Gomas, ‘not real’ woman on DFW flight, wants to bring attention to mental health

An American Airlines flight from Dublin to Philadelphia was canceled Sunday. Images on social media showed its door had fallen off. A spokesperson for the Airline said it was caused by a "jet bridge malfunction." An American Airlines flight heading to ...

An American Airlines flight was canceled after the door fell off due to a 'jet bridge malfunction'

Three British passengers who were aboard the Boeing 737 MAX 8 Ethiopian Airlines plane when it crashed in 2019 were “unlawfully killed,” a UK coroner has ruled. Sam Pegram, Oliver Vick and Joanna Toole were all travelling on the aircraft from Addis ...

Court says British Boeing 737 MAX 8 crash victims were ‘unlawfully killed’

JetBridge

jetbridge

The money and sense of accomplishment with your team is undeniable, but at the same time it’s odd to go from CEO to employee. Half of my former employees kept asking me, “You ok, JK?” and the other half would give me an occasional look like, “Don’t you dare tell me what to do – you ain’t the boss!” I came into the office on a Thursday evening – first clue we were acquired – no one was in the office at 6:30pm. I gathered all of my belongings in a CostCo box, turned the lights out and left for the last time. DoctorBase I really wanted to get the fuck out of San Francisco. 1. First, I said goodbye to competitor. Most of my career I’ve heard VCs say, “We like you, but ABC Co. has raised so much money…” So one of the first things I did was gathered my core team and danced in front of the grave (office) of my closest competitor who had raised 30x more money (yeah, 30x)! At the time of our exit we had about 2.8x their ARR (Annual Recurring Revenues) with far less churn (percentage of cancelling customers). It’s why as a hobby micro-angel investor, I never underestimate a roomful of creative people who are die hard about winning.  Having connections is great, but scrappy often wins the day in the long run. 2. Visit Africa. The first trip I made was to go to Morocco to ride camels and haggle for things I didn’t want. The pictures look great but believe me, the desert is cold, boring and filled with cats. Yes, cats. Which in a way made sense to me because the Sahara looked like a large litter box. However, the people of Morocco were quite lovely and I highly recommend going shopping through the maze like streets of Marrakech – a bucketlist worthy experience. I returned home to San Francisco after ten days in Africa and ate a super burrito every day for a week.  God is great. 3. Buy a bunch of stuff you’ve always wanted (obviously). In my case, motorcycles. I always wanted a different bike for each day of the week and a victorian garage in San Francisco big enough to house them all. Dream = fulfilled. And if you really like a particular model, why not buy two? 4. Buy your (ex)employees things that make them happy. Because let’s face it, without them I’d be a monkey with a powerpoint presentation. (No offense to monkeys as I love animals.) 5. Throw fun parties. And this being San Francisco, most of my guests will be smarter than me and way more accomplished. Note the tall handsome dude in my kitchen is Coach Mike Brown (former head coach of the Cleveland Cavaliers, my Los Angeles Lakers and now with the Warriors). Some of my guests (after I explicitly asked them not to) asked him questions like, “Who was worse to coach – Lebron or Kobe? Tell the truth Coach!” In Silicon Valley for some reason we lack social graces.  #Aspergers Or have dinner with celebrities. Not because they like you but because you paid for a fundraiser dinner benefitting a charity you actually know very little about. “Yo Yao!” I said, but I don’t think he got my sense of humor. Man I love basketball. And have a real convo with your childhood idol. When I was a kid I loved Janes Addiction. Being able to talk about the music industry with lead singer Perry Farrell was a dream come true. 6. Retire your parents. It’s an Asian thing I guess. Also, Asian thing. And send family members on vacay. My baby cousin and her husband are both so smart and good looking and young they make me want to puke. 7. Speak at your university and drink beer with students like you’re still an undergrad. And actually puke. Or people from far off countries will ask you to come speak about startup life, which was also great for me considering I would never had gone to Norway otherwise. And for some reason after you have an IPO or exit, people who own boats invite you onto them. I never knew some many people owned boats. And you know what? Everyone is in a great mood on a boat. You never hear of a fistfight breaking out on a boat. Am I right? 8. Do “VIP” stuff like become a judge for a foreign country’s Miss Universe pageant. Like I said, you do some douchey things. Or get invited to the White House and chill with politicians. may have left his office with some controversy (after decades of public service) but he’s still one of the best sales professionals to ever pitch. I wish I could’ve gone drinking beers with him afterwards. Charlie Rangel Traveling the world for a year makes you very bereft of potential dates (ok, so I didn’t have a lot of dates before then either) so my friend Kyra packed her dress, hopped on a flight to D.C. and came to my rescue as my +1 for the White House gala. Thanks pal – I’m lucky to have friends like you. 9. Become an angel investor and support other amazing founders by hustling hard for them. Cliche but true, in this town you must add value to get into good deals when you’re writing checks as small as mine. 10. Start to miss your desk at work. When you had a job. And purpose. Also, even your friends at Facebook seem to be working on interesting projects, and so inevitably you get back to f**king work like a real grown up. Still, my year off the grid was memorable and I’m glad I had it. Whenever people say crap like, “I wish I could have a year like that, JK,” I always tell them, “if you really want it, then – So now I’m back with another startup mission – to at . If you need the absolute best software developers for your company, . As you can see from , our devs often outperform our client’s in-house teams! reinvent software outsourcing JetBridge come check us out our reviews

10 Things You Do After You Sell Your Startup 

Deploying a Kubernetes Cluster on CentOS

This tutorial is for the ones who want to try out the Kubernetes installation on CentOS. In this article, I have simplified the installation into 15 steps for installing Kubernetes on CentOS “bento/centos-7” Before you begin with installation here are prerequisites for installing Kubernetes on CentOS. Prerequisites Reading time is about 20 minutes Vagrant 2.2.7 or latest – For installation instruction click here VM VirtualBox – For installation instruction re click he Step 1: Start your vagrant box Use the following Vagrantfile to spin up your vagrant box. We are going with two VMs here – Master Node – 2 cpus, 2 GB Memory (Assinged IP – 100.0.0.1 ) Worker Node – 1 cpu, 1 GB Memory (Assinged IP – 100.0.0.2 ) Vagrant.configure( ) |config|
  config.vm.define |master|
    master.vm.box_download_insecure = master.vm.box = master.vm.network , ip: master.vm.hostname = master.vm.provider |v|
      v.name = v.memory = 2048
      v.cpus = 2
    end
  end

  config.vm.define |worker|
    worker.vm.box_download_insecure = worker.vm.box = worker.vm.network , ip: worker.vm.hostname = worker.vm.provider |v|
      v.name = v.memory = 1024
      v.cpus = 1
    end
  end

end "2" do "master" do true "bento/centos-7" "private_network" "100.0.0.1" "master" "virtualbox" do "master" "worker" do true "bento/centos-7" "private_network" "100.0.0.2" "worker" "virtualbox" do "worker" Step 2: Update /etc/hosts on both nodes(master, worker) master node – SSH into the master node $ vagrant ssh master vagrant@master:~$ sudo vi /etc/hosts 100.0.0.1 master.jhooq.com master
100.0.0.2 worker.jhooq.com worker worker node- SSH into the worker node $ vagrant ssh worker vagrant@worker:~$ sudo vi /etc/hosts 100.0.0.1 master.jhooq.com master
100.0.0.2 worker.jhooq.com worker Test the worker node by sending ping from master [vagrant@master ~]$ ping worker PING worker.jhooq.com (100.0.0.2) 56(84) bytes of data.
64 bytes from worker.jhooq.com (100.0.0.2): icmp_seq=1 ttl=64 time=0.462 ms
64 bytes from worker.jhooq.com (100.0.0.2): icmp_seq=2 ttl=64 time=0.686 ms
Test the master node by sending ping from worker [vagrant@worker ~]$ ping master PING master.jhooq.com (100.0.0.1) 56(84) bytes of data.
64 bytes from master.jhooq.com (100.0.0.1): icmp_seq=1 ttl=64 time=0.238 ms
64 bytes from master.jhooq.com (100.0.0.1): icmp_seq=2 ttl=64 time=0.510 ms Step 3: Install Docker on both nodes (master, worker) You need to install Docker on both the node So run the following docker installation command on both the nodes [vagrant@master ~]$ sudo yum install docker -y Enable docker: on both master and worker node [vagrant@master ~]$ sudo systemctl docker enable Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service. Start docker: on both master and worker node [vagrant@master ~]$ sudo systemctl start  docker Check the docker service status [vagrant@master ~]$ sudo systemctl status docker Docker service should be up and running and you should get following output on the terminal ● docker.service - Docker Application Container Engine
   Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
   Active: active (running) since Thu 2020-04-23 18:00:12 UTC; 26s ago
     Docs: http://docs.docker.com
 Main PID: 11892 (dockerd-current) Step 4: Disable SELinux on both nodes(master, worker) You need to disable the SELinux using following command [vagrant@master ~]$ sudo setenforce [vagrant@master ~]$ sudo sed -i /etc/selinux/config 0 's/^SELINUX=enforcing$/SELINUX=permissive/' Step 5: Disable CentOS firewall on both nodes(master, worker) Master Node [vagrant@master ~]$ sudo systemctl disable firewalld
[vagrant@master ~]$ sudo systemctl stop firewalld Worker Node [vagrant@worker ~]$ sudo systemctl disable firewalld
[vagrant@master ~]$ sudo systemctl stop firewall Step 6: Disable swapping on both nodes(master, worker) Disable the swapping on master as well as a worker node. Because to install Kubernetes we need to disable the swapping on both the nodes Run following command on both master as well as worker node [vagrant@master ~]$ sudo swapoff -a Step 7: Enable the usage of “iptables” on both nodes(master, worker) Enable the usage of iptables which will prevent the routing errors happening. As the following runtime parameters: [vagrant@worker ~]$ sudo bash -c [vagrant@worker ~]$ sudo bash -c [vagrant@worker ~]$ sudo sysctl --system 'echo "net.bridge.bridge-nf-call-ip6tables = 1" > /etc/sysctl.d/k8s.conf' 'echo "net.bridge.bridge-nf-call-iptables = 1" >> /etc/sysctl.d/k8s.conf' Step 8: Add the Kubernetes repo to rum.repos.d on both nodes(master, worker) [vagrant@master ~]$ sudo vi /etc/yum.repos.d/kubernetes.repo Add following repo details – [kubernetes]
name=Kubernetes
baseurl=https: enabled= gpgcheck= repo_gpgcheck= gpgkey=https: https: //packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64 1 1 1 //packages.cloud.google.com/yum/doc/yum-key.gpg //packages.cloud.google.com/yum/doc/rpm-package-key.gpg Step 9: Install Kubernetes on both nodes(master, worker) [vagrant@master ~]$ sudo yum install -y kubeadm kubelet kubectl Step 10: Enable and Start Kubelet on both nodes(master, worker) Run the following command both on master and worker nodes. Enable the kubelet [vagrant@worker ~]$ sudo systemctl enable kubelet Created symlink /etc/systemd/system/multi-user.target.wants/kubelet.service to /usr/lib/systemd/system/kubelet.service. from Start the kubelet [vagrant@master ~]$ sudo systemctl start kubelet Step 11: Initialize Kubernetes cluster only on master node Initialize the Kubernetes cluster (–apiserver-advertise-address=100.0.0.1 this is the IP address we have assigned in the /etc/hosts) [vagrant@master ~]$ sudo kubeadm init --apiserver-advertise-address= --pod-network-cidr= / Note down the kubeadm join command 100.0 .0 .1 10.244 .0 .0 16 kubeadm join : --token cfvd1x h8kzx0u9vcn4trf \
    --discovery-token-ca-cert-hash sha256:cc9687b47f3a9bfa5b880dcf409eeaef05d25505f4c099732b65376b0e14458c 100.0 .0 .1 6443 .8 Step 12: Move kube config file to current user (only run on master) To interact with the Kubernetes cluster and to use kubectl command, we need to have the Kube config file with us. Use the following command to get the kube config file and put it under the working directory. [vagrant@master ~]$ mkdir -p $HOME/.kube [vagrant@master ~]$ sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config [vagrant@master ~]$ sudo chown $(id -u):$(id -g) $HOME/.kube/config Step 13: Apply CNI from kube-flannel.yml(only run on master) After the master of the cluster is ready to handle jobs and the services are running, for the purpose of making containers accessible to each other through networking, we need to set up the network for container communication. Get the CNI(container network interface) configuration from flannel [vagrant@master ~]$ wget https: //raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml Note – But since we are working on the VMs so we need to check our Ethernet interfaces first. Look out for the Ethernet i.e. eth1 which has a ip address 100.0.0.1(this is the ip address which we used in vagrant file) [vagrant@master ~]$ ip a s : lo: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 08:00:27:bb:14:75 brd ff:ff:ff:ff:ff:ff
    inet 10.0.2.15
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 08:00:27:fb:48:77 brd ff:ff:ff:ff:ff:ff
    inet 100.0.0.1
4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> 1 2: eth0: < > LOOPBACK,UP,LOWER_UP Now we need to add the extra args for eth1 in kube-flannel.yml [vagrant@master ~]$ vi kube-flannel.yml Searche for – “flanneld” In the args section add : – –iface=eth1 - --iface=eth1
        args:
        - --ip-masq
        - --kube-subnet-mgr
        - --iface=eth1 Apply the flannel configuration vagrant@master:~$ kubectl apply -f kube-flannel.yml podsecuritypolicy.policy/psp.flannel.unprivileged created
clusterrole.rbac.authorization.k8s.io/flannel created
clusterrolebinding.rbac.authorization.k8s.io/flannel created
serviceaccount/flannel created
configmap/kube-flannel-cfg created
daemonset.apps/kube-flannel-ds-amd64 created
daemonset.apps/kube-flannel-ds-arm64 created
daemonset.apps/kube-flannel-ds-arm created
daemonset.apps/kube-flannel-ds-ppc64le created
daemonset.apps/kube-flannel-ds-s390x created Step 14: Join master node run only on worker node In the Step 11 we generated the token and kubeadm join command. Now we need to use that join command from our worker node [vagrant@worker ~]$ sudo kubeadm join : --token cfvd1x h8kzx0u9vcn4trf --discovery-token-ca-cert-hash 100.0 .0 .1 6443 .8 sha256:cc9687b47f3a9bfa5b880dcf409eeaef05d25505f4c099732b65376b0e14458c
W0423 : : join.go: ] [preflight] WARNING: JoinControlPane.controlPlane settings will be ignored when control-plane flag is not set.
[preflight] Running pre-flight checks
[preflight] Reading configuration the cluster...
[preflight] FYI: You can look at config file [kubelet-start] Downloading configuration the kubelet the ConfigMap the kube-system namespace
[kubelet-start] Writing kubelet configuration to file [kubelet-start] Writing kubelet environment file flags to file [kubelet-start] Starting the kubelet
[kubelet-start] Waiting the kubelet to perform the TLS Bootstrap...

This node has joined the cluster:
* Certificate signing request was sent to apiserver and a response was received.
* The Kubelet was informed the secure connection details.

Run on the control-plane to see node join the cluster. 18 50 54.480382 8100 346 from this with 'kubectl -n kube-system get cm kubeadm-config -oyaml' for from "kubelet-config-1.18" in "/var/lib/kubelet/config.yaml" with "/var/lib/kubelet/kubeadm-flags.env" for of new 'kubectl get nodes' this Step 15: Check the nodes status(only run on master) Check the nodes status in the master [vagrant@master ~]$ kubectl get nodes
NAME     STATUS   ROLES    AGE   VERSION
master   Ready    master m   v1 worker   Ready    <none> s   v1 26 .18 .2 63 .18 .2 For more similar kubernetes article please refer to - 14 Steps to Install kubernetes on Ubuntu Previously published at https://jhooq.com/15-steps-to-install-kubernetes-on-bento-centos7

How To Install Kubernetes on CentOS7

The War of the Worlds: Chapter XII. WHAT I SAW OF THE DESTRUCTION OF WEYBRIDGE AND SHEPPERT

I always find it troublesome for me to deploy and interact with Tezos’s Smart Contract at my job as a Software Engineer in my company. So, I decided to build a tool (web app) to solve my problem. Ideation The idea to solve my problem is to build a web app so that I can access it anywhere easily and allow me to securely deploy and interact with my Tezos‘s Smart Contract. As I don't want to spend too much time, effort or $$ building a full fledged solution, I decided to just build the features that I need. Therefore, my solution will be a minimum viable product (MVP). Market Research Before I even start building my solution, I decided to perform some market research to find out if there are any existing solutions to my problem. It turns out, there are a few solutions available. There are - A web app that only allows me to interact with Tezos' Smart Contract SmartPy Contract Explorer - A desktop app that allows me to deploy and interact with Tezos's Smart Contract Tezsure-GUI Feature Table A feature table is a comparison table that I use to compare my product to my competitor's product on a list of dimensions that I care about. (Based on total points' count of 10 with 10 being the best and 1 being the worst). is the name that I have given to my product. There are a total of 4 dimensions that I'm concern about my product. TezosKT Security I gave my product a score of 8 as my Tezos's account is handled by , a Tezos's DApp wallet. The score is lower than Tezsure-GUI as I think that my Tezos's account locally on my PC is more secure as compared to storing it on my browser. TezBridge As of SmartPy Contract Explorer, it requires me to paste my Tezoz's account private key into their explorer, which is totally not secure. It also does not support interaction with a mainnet Smart Contract. I gave my product a score of 7, which is slightly lower than SmartPy Contract Explorer as my product will not be providing auto generating of Smart Contract operation code. Ease Of Use This feature will require more time and effort for me to build. I feel that is not worth it for me to do that as I can rely on , a Tezos's Smart Contract Explorer to generate it for me. Better Call Dev As for Tezsure-GUI, I am required to install and build the desktop application locally myself which I think is troublesome. Contract Origination and Operation Both TezosKT and Tezsure-GUI supports these two types of transaction. SmartPy Smart Contract Explorer doesn't support deployment of external Smart Contract Code. Findings and Conclusion So based on the analysis above, I think that my product achieve the best of both worlds in terms of security and ease of use. It also supports my needs which are being able to easily and securely deploy and interact with Tezos's Smart Contract. Development These are the key features for my MVP. Origination of Tezos's Smart Contract Interaction with Tezos's Smart Contract Perform Smart Contract Operation on both mainnet and testnet TezBridge DApp wallet integration There will be a landing page that explains what my product does to my users as well. These are the technology that I used to develop my product. (Website) ReactJS (Tezos's DApp Wallet) TezBridge (Web Hosting) Netlify Results The information below are screenshots and explanation to my solution. (1) Landing Page (2) Dashboard (Select Host) This feature allows me to select the Tezos's network host that I would like to use. (3) Dashboard (Origination) The feature allows me to originate (deploy) my Smart Contract. I am able to set the amount of tez (Tezos coin), and storage's Micheline code of my Smart Contract Micheline Code (4) Dashboard (Transaction) The feature allows me to make a transaction to (interact with) my Smart Contract. I am able to set the amount of tez (Tezos coin), Smart Contract address and Micheline parameters of my transaction. (5) TezBridge This feature allows me to manage my Tezos's network host, perform origination and transaction to my Smart Contract. Learn more about it . here Try TezosKT (1) | (2) 👉 Website GitHub

Building A Tezos's Smart Contract Dashboard Using ReactJS, TezBridge and Netlify [A How-To Guide]

Multiverse in Karch-Randall Braneworld: Acknowledgements and References

266 Stories To Learn About Product Development

Flatland: A Romance of Many Dimensions by Edwin Abbott Abbott is part of the HackerNoon Books Series. You can jump to any chapter in this book . Of Recognition by Sight here Of Recognition by Sight I am about to appear very inconsistent. In previous sections I have said that all figures in Flatland present the appearance of a straight line; and it was added or implied, that it is consequently impossible to distinguish by the visual organ between individuals of different classes: yet now I am about to explain to my Spaceland critics how we are able to recognize one another by the sense of sight. If however the Reader will take the trouble to refer to the passage in which Recognition by Feeling is stated to be universal, he will find this qualification—"among the lower classes". It is only among the higher classes and in our temperate climates that Sight Recognition is practised. That this power exists in any regions and for any classes is the result of Fog; which prevails during the greater part of the year in all parts save the torrid zones. That which is with you in Spaceland an unmixed evil, blotting out the landscape, depressing the spirits, and enfeebling the health, is by us recognized as a blessing scarcely inferior to air itself, and as the Nurse of arts and Parent of sciences. But let me explain my meaning, without further eulogies on this beneficent Element. If Fog were non-existent, all lines would appear equally and indistinguishably clear; and this is actually the case in those unhappy countries in which the atmosphere is perfectly dry and transparent. But wherever there is a rich supply of Fog objects that are at a distance, say of three feet, are appreciably dimmer than those at a distance of two feet eleven inches; and the result is that by careful and constant experimental observation of comparative dimness and clearness, we are enabled to infer with great exactness the configuration of the object observed. An instance will do more than a volume of generalities to make my meaning clear. Suppose I see two individuals approaching whose rank I wish to ascertain. They are, we will suppose, a Merchant and a Physician, or in other words, an Equilateral Triangle and a Pentagon: how am I to distinguish them? It will be obvious, to every child in Spaceland who has touched the threshold of Geometrical Studies, that, if I can bring my eye so that its glance may bisect an angle (A) of the approaching stranger, my view will lie as it were evenly between his two sides that are next to me (viz. CA and AB), so that I shall contemplate the two impartially, and both will appear of the same size. Now in the case of (1) the Merchant, what shall I see? I shall see a straight line DAE, in which the middle point (A) will be very bright because it is nearest to me; but on either side the line will shade away RAPIDLY INTO DIMNESS, because the sides AC and AB RECEDE RAPIDLY INTO THE FOG and what appear to me as the Merchant's extremities, viz. D and E, will be VERY DIM INDEED. On the other hand in the case of (2) the Physician, though I shall here also see a line (D'A'E') with a bright centre (A'), yet it will shade away LESS RAPIDLY into dimness, because the sides (A'C', A'B') RECEDE LESS RAPIDLY INTO THE FOG: and what appear to me the Physician's extremities, viz. D' and E', will not be NOT SO DIM as the extremities of the Merchant. The Reader will probably understand from these two instances how—after a very long training supplemented by constant experience—it is possible for the well-educated classes among us to discriminate with fair accuracy between the middle and lowest orders, by the sense of sight. If my Spaceland Patrons have grasped this general conception, so far as to conceive the possibility of it and not to reject my account as altogether incredible—I shall have attained all I can reasonably expect. Were I to attempt further details I should only perplex. Yet for the sake of the young and inexperienced, who may perchance infer—from the two simple instances I have given above, of the manner in which I should recognize my Father and my Sons—that Recognition by sight is an easy affair, it may be needful to point out that in actual life most of the problems of Sight Recognition are far more subtle and complex. If for example, when my Father, the Triangle, approaches me, he happens to present his side to me instead of his angle, then, until I have asked him to rotate, or until I have edged my eye round him, I am for the moment doubtful whether he may not be a Straight Line, or, in other words, a Woman. Again, when I am in the company of one of my two hexagonal Grandsons, contemplating one of his sides (AB) full front, it will be evident from the accompanying diagram that I shall see one whole line (AB) in comparative brightness (shading off hardly at all at the ends) and two smaller lines (CA and BD) dim throughout and shading away into greater dimness towards the extremities C and D. But I must not give way to the temptation of enlarging on these topics. The meanest mathematician in Spaceland will readily believe me when I assert that the problems of life, which present themselves to the well-educated—when they are themselves in motion, rotating, advancing or retreating, and at the same time attempting to discriminate by the sense of sight between a number of Polygons of high rank moving in different directions, as for example in a ball-room or conversazione—must be of a nature to task the angularity of the most intellectual, and amply justify the rich endowments of the Learned Professors of Geometry, both Static and Kinetic, in the illustrious University of Wentbridge, where the Science and Art of Sight Recognition are regularly taught to large classes of the ELITE of the States. It is only a few of the scions of our noblest and wealthiest houses, who are able to give the time and money necessary for the thorough prosecution of this noble and valuable Art. Even to me, a Mathematician of no mean standing, and the Grandfather of two most hopeful and perfectly regular Hexagons, to find myself in the midst of a crowd of rotating Polygons of the higher classes, is occasionally very perplexing. And of course to a common Tradesman, or Serf, such a sight is almost as unintelligible as it would be to you, my Reader, were you suddenly transported into our country. In such a crowd you could see on all sides of you nothing but a Line, apparently straight, but of which the parts would vary irregularly and perpetually in brightness or dimness. Even if you had completed your third year in the Pentagonal and Hexagonal classes in the University, and were perfect in the theory of the subject, you would still find that there was need of many years of experience, before you could move in a fashionable crowd without jostling against your betters, whom it is against etiquette to ask to "feel", and who, by their superior culture and breeding, know all about your movements, while you know very little or nothing about theirs. In a word, to comport oneself with perfect propriety in Polygonal society, one ought to be a Polygon oneself. Such at least is the painful teaching of my experience. It is astonishing how much the Art—or I may almost call it instinct—of Sight Recognition is developed by the habitual practice of it and by the avoidance of the custom of "Feeling". Just as, with you, the deaf and dumb, if once allowed to gesticulate and to use the hand-alphabet, will never acquire the more difficult but far more valuable art of lipspeech and lip-reading, so it is with us as regards "Seeing" and "Feeling". None who in early life resort to "Feeling" will ever learn "Seeing" in perfection. For this reason, among our Higher Classes, "Feeling" is discouraged or absolutely forbidden. From the cradle their children, instead of going to the Public Elementary schools (where the art of Feeling is taught), are sent to higher Seminaries of an exclusive character; and at our illustrious University, to "feel" is regarded as a most serious fault, involving Rustication for the first offence, and Expulsion for the second. But among the lower classes the art of Sight Recognition is regarded as an unattainable luxury. A common Tradesman cannot afford to let his son spend a third of his life in abstract studies. The children of the poor are therefore allowed to "feel" from their earliest years, and they gain thereby a precocity and an early vivacity which contrast at first most favourably with the inert, undeveloped, and listless behaviour of the half-instructed youths of the Polygonal class; but when the latter have at last completed their University course, and are prepared to put their theory into practice, the change that comes over them may almost be described as a new birth, and in every art, science, and social pursuit they rapidly overtake and distance their Triangular competitors. Only a few of the Polygonal Class fail to pass the Final Test or Leaving Examination at the University. The condition of the unsuccessful minority is truly pitiable. Rejected from the higher class, they are also despised by the lower. They have neither the matured and systematically trained powers of the Polygonal Bachelors and Masters of Arts, nor yet the native precocity and mercurial versatility of the youthful Tradesman. The professions, the public services, are closed against them; and though in most States they are not actually debarred from marriage, yet they have the greatest difficulty in forming suitable alliances, as experience shews that the offspring of such unfortunate and ill-endowed parents is generally itself unfortunate, if not positively Irregular. It is from these specimens of the refuse of our Nobility that the great Tumults and Seditions of past ages have generally derived their leaders; and so great is the mischief thence arising that an increasing minority of our more progressive Statesmen are of opinion that true mercy would dictate their entire suppression, by enacting that all who fail to pass the Final Examination of the University should be either imprisoned for life, or extinguished by a painless death. But I find myself digressing into the subject of Irregularities, a matter of such vital interest that it demands a separate section. About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Edwin Abbott Abbott (1995). Flatland: A Romance of Many Dimensions. Urbana, Illinois: Project Gutenberg. Retrieved https://www.gutenberg.org/cache/epub/201/pg201-images.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at , located at . www.gutenberg.org https://www.gutenberg.org/policy/license.html

Of Recognition by Sight

Flatland: A Romance of Many Dimensions by Edwin Abbott Abbott is part of the HackerNoon Books Series. You can jump to any chapter in this book . Of our Methods of Recognizing one another here Of our Methods of Recognizing one another You, who are blessed with shade as well as light, you, who are gifted with two eyes, endowed with a knowledge of perspective, and charmed with the enjoyment of various colours, you, who can actually SEE an angle, and contemplate the complete circumference of a circle in the happy region of the Three Dimensions—how shall I make clear to you the extreme difficulty which we in Flatland experience in recognizing one another's configuration? Recall what I told you above. All beings in Flatland, animate or inanimate, no matter what their form, present TO OUR VIEW the same, or nearly the same, appearance, viz. that of a straight Line. How then can one be distinguished from another, where all appear the same? The answer is threefold. The first means of recognition is the sense of hearing; which with us is far more highly developed than with you, and which enables us not only to distinguish by the voice our personal friends, but even to discriminate between different classes, at least so far as concerns the three lowest orders, the Equilateral, the Square, and the Pentagon—for of the Isosceles I take no account. But as we ascend in the social scale, the process of discriminating and being discriminated by hearing increases in difficulty, partly because voices are assimilated, partly because the faculty of voice-discrimination is a plebeian virtue not much developed among the Aristocracy. And wherever there is any danger of imposture we cannot trust to this method. Amongst our lowest orders, the vocal organs are developed to a degree more than correspondent with those of hearing, so that an Isosceles can easily feign the voice of a Polygon, and, with some training, that of a Circle himself. A second method is therefore more commonly resorted to. FEELING is, among our Women and lower classes—about our upper classes I shall speak presently—the principal test of recognition, at all events between strangers, and when the question is, not as to the individual, but as to the class. What therefore "introduction" is among the higher classes in Spaceland, that the process of "feeling" is with us. "Permit me to ask you to feel and be felt by my friend Mr. So-and-so"—is still, among the more old-fashioned of our country gentlemen in districts remote from towns, the customary formula for a Flatland introduction. But in the towns, and among men of business, the words "be felt by" are omitted and the sentence is abbreviated to, "Let me ask you to feel Mr. So-and-so"; although it is assumed, of course, that the "feeling" is to be reciprocal. Among our still more modern and dashing young gentlemen—who are extremely averse to superfluous effort and supremely indifferent to the purity of their native language—the formula is still further curtailed by the use of "to feel" in a technical sense, meaning, "to recommend-for-the-purposes-of-feeling-and-being-felt"; and at this moment the "slang" of polite or fast society in the upper classes sanctions such a barbarism as "Mr. Smith, permit me to feel Mr. Jones." Let not my Reader however suppose that "feeling" is with us the tedious process that it would be with you, or that we find it necessary to feel right round all the sides of every individual before we determine the class to which he belongs. Long practice and training, begun in the schools and continued in the experience of daily life, enable us to discriminate at once by the sense of touch, between the angles of an equal-sided Triangle, Square, and Pentagon; and I need not say that the brainless vertex of an acute-angled Isosceles is obvious to the dullest touch. It is therefore not necessary, as a rule, to do more than feel a single angle of an individual; and this, once ascertained, tells us the class of the person whom we are addressing, unless indeed he belongs to the higher sections of the nobility. There the difficulty is much greater. Even a Master of Arts in our University of Wentbridge has been known to confuse a ten-sided with a twelve-sided Polygon; and there is hardly a Doctor of Science in or out of that famous University who could pretend to decide promptly and unhesitatingly between a twenty-sided and a twenty-four sided member of the Aristocracy. Those of my readers who recall the extracts I gave above from the Legislative code concerning Women, will readily perceive that the process of introduction by contact requires some care and discretion. Otherwise the angles might inflict on the unwary Feeler irreparable injury. It is essential for the safety of the Feeler that the Felt should stand perfectly still. A start, a fidgety shifting of the position, yes, even a violent sneeze, has been known before now to prove fatal to the incautious, and to nip in the bud many a promising friendship. Especially is this true among the lower classes of the Triangles. With them, the eye is situated so far from their vertex that they can scarcely take cognizance of what goes on at that extremity of their frame. They are, moreover, of a rough coarse nature, not sensitive to the delicate touch of the highly organized Polygon. What wonder then if an involuntary toss of the head has ere now deprived the State of a valuable life! I have heard that my excellent Grandfather—one of the least irregular of his unhappy Isosceles class, who indeed obtained, shortly before his decease, four out of seven votes from the Sanitary and Social Board for passing him into the class of the Equal-sided—often deplored, with a tear in his venerable eye, a miscarriage of this kind, which had occured to his great-great-great-Grandfather, a respectable Working Man with an angle or brain of 59 degrees 30 minutes. According to his account, my unfortunate Ancestor, being afflicted with rheumatism, and in the act of being felt by a Polygon, by one sudden start accidentally transfixed the Great Man through the diagonal; and thereby, partly in consequence of his long imprisonment and degradation, and partly because of the moral shock which pervaded the whole of my Ancestor's relations, threw back our family a degree and a half in their ascent towards better things. The result was that in the next generation the family brain was registered at only 58 degrees, and not till the lapse of five generations was the lost ground recovered, the full 60 degrees attained, and the Ascent from the Isosceles finally achieved. And all this series of calamities from one little accident in the process of Feeling. At this point I think I hear some of my better educated readers exclaim, "How could you in Flatland know anything about angles and degrees, or minutes? We can SEE an angle, because we, in the region of Space, can see two straight lines inclined to one another; but you, who can see nothing but one straight line at a time, or at all events only a number of bits of straight lines all in one straight line—how can you ever discern any angle, and much less register angles of different sizes?" I answer that though we cannot SEE angles, we can INFER them, and this with great precision. Our sense of touch, stimulated by necessity, and developed by long training, enables us to distinguish angles far more accurately than your sense of sight, when unaided by a rule or measure of angles. Nor must I omit to explain that we have great natural helps. It is with us a Law of Nature that the brain of the Isosceles class shall begin at half a degree, or thirty minutes, and shall increase (if it increases at all) by half a degree in every generation; until the goal of 60 degrees is reached, when the condition of serfdom is quitted, and the freeman enters the class of Regulars. Consequently, Nature herself supplies us with an ascending scale or Alphabet of angles for half a degree up to 60 degrees, Specimens of which are placed in every Elementary School throughout the land. Owing to occasional retrogressions, to still more frequent moral and intellectual stagnation, and to the extraordinary fecundity of the Criminal and Vagabond Classes, there is always a vast superfluity of individuals of the half degree and single degree class, and a fair abundance of Specimens up to 10 degrees. These are absolutely destitute of civic rights; and a great number of them, not having even intelligence enough for the purposes of warfare, are devoted by the States to the service of education. Fettered immovably so as to remove all possibility of danger, they are placed in the class rooms of our Infant Schools, and there they are utilized by the Board of Education for the purpose of imparting to the offspring of the Middle Classes that tact and intelligence of which these wretched creatures themselves are utterly devoid. In some States the Specimens are occasionally fed and suffered to exist for several years; but in the more temperate and better regulated regions, it is found in the long run more advantageous for the educational interests of the young, to dispense with food, and to renew the Specimens every month—which is about the average duration of the foodless existence of the Criminal class. In the cheaper schools, what is gained by the longer existence of the Specimen is lost, partly in the expenditure for food, and partly in the diminished accuracy of the angles, which are impaired after a few weeks of constant "feeling". Nor must we forget to add, in enumerating the advantages of the more expensive system, that it tends, though slightly yet perceptibly, to the diminution of the redundant Isosceles population—an object which every statesman in Flatland constantly keeps in view. On the whole therefore—although I am not ignorant that, in many popularly elected School Boards, there is a reaction in favour of "the cheap system" as it is called—I am myself disposed to think that this is one of the many cases in which expense is the truest economy. But I must not allow questions of School Board politics to divert me from my subject. Enough has been said, I trust, to shew that Recognition by Feeling is not so tedious or indecisive a process as might have been supposed; and it is obviously more trustworthy than Recognition by hearing. Still there remains, as has been pointed out above, the objection that this method is not without danger. For this reason many in the Middle and Lower classes, and all without exception in the Polygonal and Circular orders, prefer a third method, the description of which shall be reserved for the next section. About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Edwin Abbott Abbott (1995). Flatland: A Romance of Many Dimensions. Urbana, Illinois: Project Gutenberg. Retrieved https://www.gutenberg.org/cache/epub/201/pg201-images.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at , located at . www.gutenberg.org https://www.gutenberg.org/policy/license.html

Of our Methods of Recognizing one another

Let's learn about via these 44 free stories. They are ordered by most time reading created on HackerNoon. Visit the to find the most read stories about any technology. We Building /Learn Repo 1. Is Your Social Media Actually Social? Social media is “social” in the sense it relates to society at large. People seek connection with society to find the communities they belong to, a marketplace for their services and ensure their own welfare as a member of that society. 2. Introducing the Terminal Reader App by HackerNoon This is a web application with the intention of providing a different way of reading. Yes, you will be reading in a terminal-like application. 3. Here's How I Built a Quiz App for Remote Team Building [A Step by Step Guide] The COVID-19 pandemic and statewide stay-at-home order have caused many companies, including mine, to close their offices, restrict travel, and require all employees to work remotely. 4. Going beyond StartUp Revenue and Traffic metrics! 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Free TON: How It Started Vs. How It's Going The Durov brothers fought for a very long time with the US Securities and Exchange Commission (SEC) for the adoption of the Telegram Open Network (TON) in the US, which led to the official statement by Pavel Durov to close the project and stop its development. Nevertheless, the open source code of the project gave a second chance. With the help of TON repositories, a group of independent enthusiasts collected all the best that was created by the Telegram development team and released their project called Free TON with the TON Crystal cryptocurrency.Like other POS networks that have their own decentralized management, Free TON has its own declaration, which spelled out all the ideas and concepts of the community and the Free TON decentralized network. All the philosophical foundations of the project can be found in this foundation of the declaration. The Declaration on Decentralization is gradual, it was not created in a few days. 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As a result of the interaction of all these factors and the efforts of the programmers, a wide range of software developments has been provided, aimed at significantly improving tooling and changes in protocols. 41. 🎉 Deno: 1.0: A Review of Features [We're Going Live] 🤠 Introduction 42. Building a Successful Fintech by Listening to the Market (Founder Interview) When serial entrepreneur Illit Geller started telling me her story, I could instantly see why the fintech startup she founded, TradAir raised $11M in its latest funding round. 43. I Built a Crypto-Trading Bot...and Am Now Looking For People to Share My Profits With 44. I Built The One Browser Extension To Rule Them All How the Platypush web extension makes it easy to customize your browser and connect things together Thank you for checking out the 44 most read stories about We Building on HackerNoon. to find the most read stories about any technology. Visit the /Learn Repo

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