12+ hour ago   (34+ words) We tend to think of breaking the sound barrier as a comparatively modern accomplishment, but on a smaller scale, cattle herders have been breaking it for centuries: the cracking sound of the tip of......

1+ day, 5+ hour ago   (32+ words) Launched in 1976, LAGEOS-1 (LAser GEOdynamic Satellite) is unusual in that it contains no instrumentation, no electronics, no power supply, and no means of propulsion. It's spherical, weighs just unde......

1+ day, 14+ hour ago   (37+ words) Folding a sheet of metal in a straight line is one thing, but how does one fold multiple curved lines into a sheet of aluminum without fancy machines? [John] demonstrates how to do exactly that with l......

3+ day, 5+ hour ago   (236+ words) Hackaday There are plenty of ways to capture 3D images or simulations of such if you know what you’re doing with camera hardware and fancy mathematics However, a little more unusual is the idea of capturing a 3D image while using…...

2+ day, 21+ hour ago   (541+ words) Usually in Tech In Plain Sight, we talk about technology you probably see every day, even if you don’t notice it. But we hope you don’t get to see one of the latest crop of medical robots, such as the…...

3+ day, 5+ hour ago   (162+ words) Origami Sensors That You Can Wear Hackaday Origami is a wonderful art form, but as a new project from the Shibaura Institute of Technology demonstrates, it can also have applications in the world of wearable tech. The project involved creating…...

3+ day, 14+ hour ago   (37+ words) You can 3D print all kinds of things, from Yoda heads to little models of Pikachu. Eventually, though, most of us get to a point where we want to print something a little more interesting. The lenticu......

4+ day, 14+ hour ago   (32+ words) [lcamtuf] has an in-depth look at the concept of negative resistance that goes somewhat further than one might expect. Normally, as voltage across a resistance increases so too does the current. Negat......

5+ day, 20+ hour ago   (40+ words) As easy as the Sun is to observe, it's simultaneously very hard to study due to how extreme the conditions are, even on the surface of a rather unassuming star. One of these study topics is the intera......

5+ day, 20+ hour ago   (37+ words) LLMs remain a divisive topic in these times. Perhaps we all know someone who's become over-infatuated with their new robotic friend, or who believes it has made them a genius. [Emily M. Bender] and [N......