Hackaday
936 subscribers
14.5K photos
44.6K links
New posts from hackaday.com
Download Telegram
According to [ClassicHasClass], the best way to open an Atari Stacy is to not open an Atari Stacy. Apparently, these old computers were not pleasant to work on. The cables …read more (https://hackaday.com/2025/01/05/stacys-computer-has-got-it-going-on/)
Reverse-Engineering the Polynomial Constants in the Pentium’s FPU
https://hackaday.com/2025/01/05/reverse-engineering-the-polynomial-constants-in-the-pentiums-fpu/
A diagram of the constant ROM and supporting circuitry. Most of the significand ROM has been cut out to make it fit. (Credit: Ken Shirriff)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/01/righto_ken_shirriff_pentium_rom-overview-diagram-w700.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/01/righto_ken_shirriff_pentium_rom-overview-diagram-w700.jpg?w=800">Released in 1993, Intel’s Pentium processor was a marvel of technological progress. Its floating point unit (FPU) was a big improvement over its predecessors that still used the venerable CORDIC …read more (https://hackaday.com/2025/01/05/reverse-engineering-the-polynomial-constants-in-the-pentiums-fpu/)
Good news this week from the Sun’s far side as the Parker Solar Probe checked in after its speedrun through our star’s corona. Parker became the fastest human-made object ever …read more (https://hackaday.com/2025/01/05/hackaday-links-january-5-2025/)
Normally, you have a choice with PCB prototypes: fast or cheap. [Stephen Hawes] has been trying fiber lasers to create PCBs. He’s learned a lot which he shares in the …read more (https://hackaday.com/2025/01/05/perfecting-20-minute-pcbs-with-laser/)
Germanium. It might sound like just another periodic table entry (number 32, to be exact), but in the world of infrared light, it’s anything but ordinary. A recent video by …read more (https://hackaday.com/2025/01/05/shining-through-germanium-and-gold-leaf-transparency/)
We like mechanical calculators like slide rules, but we have to admit that we had not heard of the Ott Derivimeter that [Chris Staecker] shows us in a recent video. …read more (https://hackaday.com/2025/01/06/mechanical-calculator-finds-derivitives/)
We are deeply intuitively familiar with our everyday physical world, so it was perhaps a bit of a surprise when researchers discovered a blind spot in our intuitive physical reasoning: …read more (https://hackaday.com/2025/01/06/turns-out-humans-are-terrible-at-intuiting-knot-strength/)