Different Algorithms Sort Christmas Lights Sorting algorithms are a common exercise for new programmers, and for good reason: they introduce many programming fundamentals at once, including loops and conditionals, arrays and lists, comparisons, algorithmic complexity, …read more #hacking #projects image
Keebin’ with Kristina: the One with the Keyboard-Mouse, Again The astute among you may remember an earlier version of this Russian beauty, the Lapa, which I featured last year around this time. Creator [lemosbor] claims that the worry was …read more #hacking #projects image
39C3: Hacking Washing Machines Many of us have them, few of us really hack on them: well, here we’re talking about large home appliances. [Severin von Wnuck-Lipinski] and [Hajo Noerenberg] were both working on …read more #hacking #projects image
How Wind Nearly Took Down Boulder NTP NTP is one of the most interesting and important, but all to forgotten, protocols that makes the internet tick. Accurate clock synchronization is required for everything ranging from cryptography to …read more #hacking #projects image
Only Known Copy of UNIX V4 Recovered From Tape UNIX version 4 is quite special on account of being the first UNIX to be written in C instead of PDP-11 ASM, but it was also considered to have been …read more #hacking #projects image
39C3: Hardware, and the Hard Bit The 39th annual Chaos Communication Congress (39C3) is underway, and it kicked off with a talk that will resonate deeply with folks in the Hackaday universe. [Kliment] gave an impassioned invitation …read more #hacking #projects image
The Birotary Engine Explained Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine …read more #hacking #projects image
Streaming Music to Cassette In almost every measurable way, a lossless digital audio file is superior to any analog media. This doesn’t mean that analog audio isn’t valuable though; plenty of people appreciate the …read more #hacking #projects image
Retro Semiconductors: The Silicon Controlled Rectifier Over on YouTube [Lockdown Electronics] reviews an old bit of kit known as the Silicon Controlled Rectifier (SCR). Invented in the 1950s the SCR is a type of thyristor and …read more #hacking #projects image
Photographing Cosmic Rays with a Consumer Camera The reason photographic darkrooms are needed is because almost any amount of light can ruin the film or the photographic paper before they are fixed. Until then these things are …read more #hacking #projects image