Collaborate Disseminate
Early on, railways primarily used wheels made of wood or iron. The former were cheap and relatively easy to manufacture, while the latter had far superior wear qualities. It may …read more Continue reading Luxury Train Cars Used To Ride On Paper Wheels
Heating is one of the greatest uses of energy in human society today. Where we once burned logs to stave off the brutal winter chill, now we lean on gas …read more Continue reading Wind-to-Heat: A Lot of Hot Air?
There are a wide variety of protein-based drugs that are used to treat various serious conditions. Insulin is perhaps the most well-known example, which is used for life-saving treatments for …read more Continue reading MIT Engineers Pioneer Cost-Effective Protein Purification For Cheaper Drugs
If there’s one area of the human anatomy we rarely try to draw the eye, it’s the ears. Nonetheless, [DIY GUY Chris] has developed some LED earrings that should do …read more Continue reading Electronic Earrings Are PCB Art You Can Wear
Marble runs are fun enough on their own, but what if you could eat the marbles? Gumballs are the satisfying answer to that question. To that end, [Adrian Seeley] whipped …read more Continue reading Gumball Coaster Is 3D-Printed Candy Fun
If you’ve got one decently powerful DC motor, you could conceivably build a water pump. Gang up ten of them, however, and you could build something considerably more powerful, as …read more Continue reading Powerful Water Pump Is Modular In Nature
Power tool batteries are a convenient portable power supply for all manner of different things. [Zachary Goode] noticed that Ryobi was using them to power soldering irons, but no such …read more Continue reading Portable Soldering Station Runs On Drill Batteries
The Tandy Color Computer came with analog joysticks, quite unlike most computers and consoles of the early 1980s. Many games of the era actually worked best with digital input, so …read more Continue reading Adapter Lets Digital Gamepads Work On The Tandy Color Computer
Satellite internet used to be a woeful thing. Early networks relied on satellites in geostationary orbits, with high latency and minimal bandwidth keeping user demand low. That was until Starlink …read more Continue reading China Plans Its Own Megaconstellation To Challenge Starlink
The ZX Spectrum was a popular computer of the 8-bit era. Now, it’s possible to emulate this machine on a microcontroller so cheap that it’s literally been given away on …read more Continue reading A Pico-Based ZX Spectrum Emulator