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How SpaceX lands Starship (sort of)
aka: how I “accidentally” discovered what I already suspected: optimization methods are at the heart of landing rockets.
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Getting Started in Robotics
People sometimes ask me for robotics resources. There aren’t many high quality internet-first lists available on this topic, so I made one I can link to. I’ll continually update this list so feel free to give suggestions if things are missing or you have better links .
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Dumping and extracting the SpaceX Starlink user terminal firmware
COSIC - Dumping and extracting the SpaceX Starlink User Terminal firmware ( )
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My MacBook Pro had over 10k USD in repairs
I treat my MacBook Pro laptop very well. It barely has a scratch and it’s never had any accidental drops or damage. Even so, my 4 years of owning it has resulted in:
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Intel Unleashed, Gelsinger on Intel, IDM 2.0
New Intel CEO Pat Gelsinger delivered a keynote with the right strategy, the right tactics, and most importantly, the right spirit to return Intel to success.
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AMD and Xilinx Stockholders Overwhelmingly Approve AMD’s Acquisition of Xilinx
View the press release archives from AMD.
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My Fanless OpenBSD Desktop
After the disappointment of my X1 Nano and learning that all future Intel "Evo"-branded laptops would lack S3 suspend, I started thinking about returning to my M1 MacBook full-time or building an OpenBSD desktop. I chose the latter, building my first desktop machine in many years.
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The Yamaha DX7 synthesizer's clever exponential circuit, reverse-engineered
The Yamaha DX7 digital synthesizer was released in 1983 and became extremely popular, defining the sound of 1980s pop music. Because micro...
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Using a magnetic string to fish for a lost iPhone 12 in a Berlin canal
It‘s been a couple of days since a friend of mine dropped his iPhone 12 Pro into the canal in Kreuzberg, Berlin. News made it all around the world by now, being featured on all Apple News pages that exist: AppleInsider , 9to5Mac , The Loop , iPhone Ticker , iMore , Hi Tekno , Mac4Ever , Appgefahren , Macerkopf …
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Challenges Building an Open-Source E Ink Laptop
In a previous article, I discussed my intention of Building an E-Ink Laptop . In this article, I want to introduce EI2030 and how we are building an open-source eink laptop and its challenges.
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Kicad 6: new feature review for open source EDA tool
In this article, I document many of the most important changes that the KiCad developers have introduced to KiCad 6, including numerous "under the hood" improvements, and new productivity features in the front end.
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The Next Backblaze Storage Pod
Each month we build 60 or so new Storage Pods, which require 60 CPUs, 720 SATA cables, 120 power supplies, and so on.
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The Confusing World of USB
For decades, my perception of USB was that of a technology both simple and reliable. You plug it and it works. The two first iterations [1] [2] freed PCs from a badly fragmented connector world made of RJ-45 (Ethernet), DA-15 (Joystick), DE-9 (Serial), DIN (PS/2), SCSI, and DB-25 (Parallel). When USB-3.0 came out…
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Intruder at the top of the 20 meter amateur band?
It wasn't my intent to have this next post be about locating a source of a transmitter - but the temptation proved irresistible. Over the pa...
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Bosch gives go-ahead for volume production of silicon carbide chips
Reutlingen, Germany – They are small, powerful, and extremely efficient: semiconductors made of silicon carbide (SiC). After several years of development, Bosch is now starting volume production of power semiconductors made of this innovative material, supplying automotive manufacturers worldwide. In the future, more…
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Librem 14 begins shipping
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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Making an old USB printer support Apple AirPrint using a Raspberry Pi
There are longer tutorials on how to connect a USB printer to a Raspberry Pi and make it accessible via AirPrint but here's the minimal one ...
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Apple to Apple Comparison: M1 Max vs. Intel
Unum builds the Search, Storage, and Networking engines powering the modern data stack. Deployed on 100M+ devices, our technology serves DBMS unicorns and frontier AI labs.
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Raspberry Pi Build HAT – Controls Lego Technic motors and sensors
Priced at $25, the Raspberry Pi Build HAT brings Raspberry Pi computing to the LEGO components we love: control LEGO Technic motors and sensors from your Raspberry Pi.
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Apple Silicon M1 supports “billion of colors” a.k.a. HDR 10-bit output
When most people hear Apple in a sentence, their next thought is likely the color. Does Apple Silicon M1 output “billion colors”?
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