16+ hour, 15+ min ago   (33+ words) You want Retro? We did, when we started our retrocomputing challenge. [Peter] decided that transistors weren't retro enough, and sent us this lovely homebrew relay computer, complete with 16- bit CPU,......

5+ day, 18+ hour ago   (34+ words) The earliest all-electronic computers used vacuum tubes, and most of us will know about machines such as ENIAC or Colossus. Vast machines that required the budget of a country at war to build, andfill......

6+ day, 10+ hour ago   (36+ words) Generally, we do not look at the gentle patter of raindrops on a surface with much concern, but according to a study by [Zhongyuan Ni] et al. in Nature, we should probably regard these droplets with......

1+ week, 1+ day ago   (38+ words) If you were interested in computers in the early 1970s, you struggled to get time on real computers since owning your own was all but impossible. In the middle of the decade, though, you could get a f......

1+ week, 2+ day ago   (30+ words) Passive evaporative cooling has been used for centuries to reduce temperatures. Heat is drawn off as water evaporates, which in turn reduces temperature. The more efficiently this process happens the......

1+ week, 4+ day ago   (251+ words) Hackaday In a recent video [Sqwerks] does a deep-dive into the problem of disintegrating plastic enclosures of Nintendo DS consoles These original NDS handheld consoles have a metallic-like coating that appears to interact with the ABS plastic, causing yellowing as…...

1+ week, 5+ day ago   (39+ words) Want to feel the heat of nearby fire, explosions, or radiation? Or even just the gentle warmth and breeze of a sunny day in the wasteland? If you said yes, you're in luck because [GingasVR] created an......

1+ week, 5+ day ago   (35+ words) Modern heat pumps, of which air conditioners are a subset, seem like simple machines in theory. They just move heat from one place to another. But in order to operate efficiently, they need specific t......

1+ week, 5+ day ago   (38+ words) Perhaps the most annoying kinds of faults are those that involve expensive equipment that just sit around in a cupboard, only for them to just stop working at all. Such was the case with the £2,000 A......

2+ week, 2+ hour ago   (260+ words) Hackaday The world’s refusal to standardize on a single type of mains power outlet has led to a vibrant market of so-called travel adapters, all of which try to outdo each other in convenience and universality This comes at…...