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New
The latest blog posts to take off on Hacker News. 298 posts.
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WebGPU and WSL in Safari
WebGPU is a new API being developed by Apple and others in the W3C which enables high-performance 3D graphics and data-parallel computation on the Web.
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The Rise of the Electric Scooter
In an electric car, the (enormous) battery is a major part of the price. If electric car prices are decreasing, battery costs must be decreasing, because it’s not like the cost of fabricating rubber, aluminum, glass, and steel into car shapes can decline that much, right? On an electric
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iPhone 11 Pro and iPhone 11 Pro Max
Apple today announced iPhone 11 Pro and iPhone 11 Pro Max, a new pro line for iPhone that delivers advanced performance.
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Apple Watch Series 5
Apple today announced Apple Watch Series 5, debuting an Always-On Retina display that never sleeps.
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Librem 5 Shipping Announcement
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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Need a USB Cable? Build One
Personal homepage of Josef Adamcik
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Why the Amazon Basics Keyboard Is My Favorite Keyboard
I've been typing for 20+ years and this is one of my favorite general purpose / programming keyboards when factoring in a few things.
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FreeBSD on the Lenovo Thinkpad
Compatibility of FreeBSD on a Lenovo Thinkpad T480, notes and fixes (HiDPI, Trackpad, camera, etc).
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Software made me loathe my car
I am the disgruntled owner of a 2015 BMW 320d xDrive. That’s a luxury car, at least to a Dane. And I’m a bit surprised that it’s come to this point. It is, mechanically, a wonderful car. The double-clutch transmission is smooth, it’s easy to drive, the engine is modest, but decent, the milage is great (20 km/l or ~47…
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MacBook Pro Keyboard Drives Me Crazy
The 2018 MacBook Pro Keyboard Drives Me Crazy
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Study identifies main culprit behind lithium metal battery failure
UC San Diego researchers have discovered the root cause of why lithium metal batteries fail, challenging a long-held belief in the field. The study presents new ways to boost battery performance and brings research a step closer to incorporating lithium anodes into rechargeable batteries.
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Zen 2 Missives – AMD now delivering efficiencies that are double that of Intel
After languishing through the CPU dark-ages (read: Intel trying real hard to keep people on 4 cores so they could charge an arm and a leg for more), the last two years has seen a vertible tsunami of advances in CPU technologies. AMD's introduction of an 8-core CPU (the 1700X) began the rat-race and with both AMD and…
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Capturing PAL video with an SDR, and a few dead ends
A blog about signals, programming, music, and other stuff.
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Apollo Guidance Computer switching power supply works after 50 years
We recently restored an Apollo Guidance Computer, the revolutionary computer that helped navigate to the Moon and land on its surface. 1 At...
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Where do interrupts happen?
Trying to determine exactly where asynchronous interrupts are delivered on Intel CPUs.
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Camera vs. Lidar
Company updates and technology articles from Scale AI.
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Building a vacuum tube computer
Having 32 (31) registers, this means that a refresh will be issued each 256us. To be on the safe side, the capacitor should keep its charge much longer than that. Testing with both EAA91 (ideal diode) and some semiconductors: Diode charge hold time Comment EAA91 >500us ideal diode 1N4148 >500us for reference, leakage…
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My Home Lab Server with 20 Cores / 40 Threads and 128 GB Memory
Update fall 2024 I have decided to decomission this machine and it is no longer in use.
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The “terrible” 3 cent MCU – a short survey of sub $0.10 microcontrollers
Like many others, I was quite amazed to learn about a microcontroller sold for only 0.03 USD via the EEVblog last year. How was this possible? Many assumed this was a fire sale of an old product. D…
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GNU Radio 3.8
GNU Radio is a free and open source software development toolkit for building software radios and signal processing systems. Run it on your desktop, or try GNU Radio flowgraphs in your browser with GNU Radio World.
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Home 3D metal printing: first results
A couple of weeks ago I learnt about an interesting 3d metal printing process , from a company selling it for $100k USD, and speculated that it might be DIY-able for much less. Well I now have some promising first results.
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Ransomware-ing a DSLR Camera
Research by: Eyal Itkin TL;DR Cameras. We take them to every important life event, we bring them on our vacations, and we store them in a protective case to keep them safe during transit. Cameras are more than just a tool or toy; we entrust them with our very memories, and so they are very important […]
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Commodore 900
Click the Commodore icon to return. Intending to use pictures or text from this page? Please read this notice . Last modify 11 August 2020.