Tech

Toyota unveils 8.7 kWh battery for residential applications
pv-magazine.com/2022/06/07/toyota-u… 
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The battery has a rated output of 5.5 kW and can be installed in outdoor environments. It is equipped with a hybrid power conditioner, a DC-to-DC converter, and a vehicle power supply adapter with a maximum output of 1.1 kWh.

Is social audio already dead?
protocol.com/newsletters/sourcecode… 
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Clubhouse has had a rough year, and it doesn’t bode well for the future of social audio.

Capture the flag: A Node.js web app vulnerability practice
pitayan.com/posts/capture-web-app-v… 
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We recently had a workshop to make engineers on the team to take practices around vulnerabilities. This article will explain the vulnerability as a quiz.

Solar-powered desalination device wins MIT $100K competition
news.mit.edu/2022/100k-competition-… 
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The winner of the 2022 MIT $100K Entrepreneurship Competition was Nona Desalination, which is developing a low-cost, portable water desalination and purification device.

Dude, where’s my privacy?: How a Hollywood star lobbies the EU for more surveillance
netzpolitik.org/2022/dude-wheres-my… 
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The European Union debates a new law that could force platforms to scan all private messages for signs of child abuse. Its most prominent advocate is the actor Ashton Kutcher.

Interview Officer: "Tell me about Cookies Session and Tokens". Me: "Emm..."
pitayan.com/posts/sessions-cookies-… 
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In late 2021, I took an interview with a hotshot IT company for a front end engineer position. During the interview process, the interview officer’s question of “Tell me about cookie session and token” got me into my knowledge blind spot.

Two-inch diamond wafers could store a billion Blu-Ray's worth of data
newatlas.com/electronics/2-inch-dia… 
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Researchers in Japan have developed a new method for making 5-cm (2-in) wafers of diamond that could be used for quantum memory. The ultra-high purity of the diamond allows it to store a staggering amount of data – the equivalent of one billion Blu-Ray discs.

8 Javascript quiz that may confuse you
pitayan.com/posts/8-javascript-quiz… 
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These days, I was preparing a small game for our team's tech workshop. Thought it'd be a good opportunity of introducing the some fundamental and tricky stuffs around JavaScript. So I made 8 quiz to our team members. And hope they could solve them within 15 min. Eventually, it took all of them over 20 minutes to complete and most of them could solve 4-5 questions correctly.

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