Collaborate Disseminate
Beyblade spinning tops are pretty easy to find at toy shops, department stores, and even some supermarkets. However, the arenas in which the tops do battle? They’re much harder to come …read more Continue reading 3D Printing a Giant Beyblade Arena
Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, …read more Continue reading One File, Six Formats: Just Change The Extension
In his regular browsing on AliExpress, [Ben Jeffrey] came across something he didn’t understand—a $5 fiber optic to RF cable TV adapter. It was excessively cheap, and even more mysteriously, …read more Continue reading Tearing Down A Mysteriously Cheap $5 Fiber Optic To Cable TV Adapter
Like many early microcomputers, the Commodore VIC-20 did not come with an interna real-time clock built into the system. [David Hunter] has seen fit to rectify that with an add-on …read more Continue reading 2025 One Hertz Challenge: The Real-Time Clock The VIC-20 Never Had
Many decades ago, IBM engineers developed the typeball. This semi-spherical hunk of metal would become the heart of the Selectric typewriter line. [James Brown] has now leveraged that very concept …read more Continue reading Talking Robot Uses Typewriter Tech For Mouth
Imagine you have a projector pointing at a scene, which you’re photographing with a camera aimed from a different point. Using the techniques of modelling light transport, [okooptics] has shown …read more Continue reading Light Transport and Constructing Images From a Projector’s Point of View
Let’s say you want to build a Nixie clock. You could go out and find some tubes, source a good power supply design, start whipping up a PCB, and working …read more Continue reading 2025 One Hertz Challenge: The Easy Way to Make a Nixie Tube Clock
Many of us have boiled an egg at some point or another in our lives. The conventional technique is relatively straightforward—get the water boiling, drop the egg in, and leave …read more Continue reading The 64-Degree Egg, And Other Delicious Variants
Modern computers generate a great deal of heat when under load, thus we cool them with fans and sometimes even water cooling systems. [Doug MacDowell] figured that water was alright, …read more Continue reading A PC That Uses Hot Coffee As Coolant
Ferrofluid is fun. You’ve probably seen all kinds of demos with it bouncing around in response to magnetic fields, or dancing near a speaker. [beastie417] decided to turn the entertaining …read more Continue reading 2025 One Hertz Challenge: An Animated Ferrofluid Display