Collaborate Disseminate
American prisons are strict about television use. Typically they’re only to be used with headphones, and their enclosures need to be transparent so they can’t be used to smuggle goods. …read more Continue reading Prison TV Gets Simple Speaker Mod
If you’ve ever short-circuited a car battery, you’ve seen the pitting and damage a few sparks can cause. Smart minds realised that controlled sparks could erode metal very accurately, in …read more Continue reading Hackathon Wire EDM Build Really Works
The invention of the wheel is considered one of the crowning achievements of early humanity. Squares don’t roll, after all. [The Q] decided to build a square-wheeled bike anyway, with …read more Continue reading Square-Wheeled Bike Is Actually An Amazing Tracked Build
Analog sticks have become a core part of modern video game controllers. They also routinely fail or end up drifting, consigning expensive controllers to the garbage. [sjm4306] recently did a …read more Continue reading Autopsy Of A Drifting Thumbstick Reveals All
There are plenty of designs out there for sawtooth and triangle function generators, many of them using the humble 555 IC. Few are readily voltage controlled, making them difficult to …read more Continue reading Weird 555 Function Generator Uses Feedback
2022 was a harrowing year in a long line of harrowing years. A brutal war in Europe raised the prospect of nuclear war as the leaders behind the invasion rattled …read more Continue reading If They Fire The Nukes, Will They Even Work?
Tattoos are an interesting technology. They’re a way of marking patterns and designs on the skin that can last for years or decades. All this, despite the fact that our …read more Continue reading How Tattoos Interact With The Immune System Could Have Impacts for Vaccines
Historically, nature has used trees to turn carbon dioxide back into oxygen for use by living creatures. The trees play a vital role in the carbon cycle, and have done …read more Continue reading The Liquid Trees of Belgrade: The Facts Behind The Furore
In the automotive world, batteries are quickly becoming the energy source of the future. For heavier-duty tasks, though, they simply don’t cut the mustard. Their energy density, being a small …read more Continue reading Largest Ever Hydrogen Fuel Cell Plane Takes Flight
Pneumatic tires provide a great ride, great grip, and yet have one fatal flaw — they’re always getting punctured and leaving you stranded. [The Q] decided to solve this problem …read more Continue reading Tennis Balls Serve As Decent Bicycle Tires That Don’t Easily Puncture