451
Building a local positioning system to track runners using Ultra-Wideband
An open-source multi-tag fully local UWB positioning system.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 460 posts.
452
Nvidia DGX Spark as a daily driver
I bought an NVIDIA DGX Spark! It's actually quite a competent general purpose computer while being super tiny and power efficient. It basically just has an ARM CPU, a decent NVIDIA GPU (with the same number of CUDA cores as the RTX 5070), 128 GB of unified memory, and a 4 TB SSD.
453
454
A solid-state “atomic channel” for separating rare earth elements
Rare earth elements like lanthanum, neodymium, and dysprosium are used to build the electric motor in your car, the LED lights in your house, and the MRI machine at your doctor’s office.
455
The Secret Life of Circuits is now in stock everywhere
For the past couple of weeks, you could get my latest book — The Secret Life of Circuits — directly from the publisher.
456
Apple Watch Ultra 4
Apple today introduced Apple Watch Ultra 4, the ultimate sports and adventure watch, now with new health, fitness, and audio intelligence capabilities.
457
The Age of Personalized Hardware Is Coming
Small personal devices are multiplying whether we build them or not. The real opening is the software that runs on them, and who gets to write it.
458
CPUs Aren't Dead. Gemma2B Out Scored GPT-3.5 Turbo on Test That Made It Famous
Gemma 2B scored ~8.0 on MT-Bench. GPT-3.5 Turbo scored 7.94. An 87-times-smaller model on a laptop CPU, no GPU anywhere in the stack. We published the full tape — every question, every turn, every score — so anyone can verify it. We found seven failure classes. Not hallucinations. Specific patterns: arithmetic where…
459
Probably check on your smart appliances
TL;DR: is your refrigerator running malware? If so, you better catch it!
460
Freeze the Controller, Defrost the Food: Uncovering Vulnerabilities in Danfoss Refrigeration Controllers
Team82 researched the attack surface of the Danfoss AK-SM 800A refrigeration controller platform and identified multiple vulnerabilities affecting the embedded web management interface. Team82 disclosed the vulnerabilities to Danfoss, which addressed them in a new firmware version. Successful exploits of the…