Collaborate Disseminate
It’s getting close to the time of year when we need to start carefully vetting projects here at Hackaday. After all, nobody likes to get punked by an early April …read more Continue reading 3D-Printed Parts Let You Assemble Your Own Biggest Fan
Sometimes a kid wakes up on Christmas morning and runs downstairs, only hoping to see one thing: a shiny new wind tunnel. This past December, that’s exactly what [SparksAndCode]’s son …read more Continue reading Homemade Toy Wind Tunnel Blows (Really Well)
Many readers will be familiar with the Dyson Air Multiplier, an ingenious bladeless fan design in which a compressor pushes jets of air from the inside edge of a large …read more Continue reading The Air Multiplier Fan Principle, Applied To A Jet Engine
Portable air conditioning units are a great way to cool off a space during the hot summer months, but they require some place to blow the heat they’ve removed from …read more Continue reading Air Extractor Automatically Gives AC a Boost
You don’t have to look hard to find a broken microwave. These ubiquitous kitchen appliances are so cheap that getting them repaired doesn’t make economical sense for most consumers, making …read more Continue reading Shop Exhaust Fan Salvaged from Broken Microwave
This wind tunnel is a pile of junk and we love it! When making science and engineering accessible to kids, it really helps to show that it doesn’t require a …read more Continue reading Perfecting Paper Planes Peering Past Perspex Portals
[Robert Murray-Smith] doesn’t like the price of inverters to convert DC to AC. That led him to build a dynamotor, or what is sometimes called a motor-generator set. These devices …read more Continue reading The Dynamotor Simplified
Even the most safety-conscious hackers among us might overlook protective gear when we’re just doing a quick bit of soldering. Honestly, though, eye protection is always a necessity. And those …read more Continue reading An Infrared-Activated Solder Fume Extraction Fan
Although it would be nice, we can’t all work from home. If you have to spend the day in close quarters with other people, you might want more protection than just a mask and sanitizer. Check out [jshanna]’s DIY HEPA …read more
Fan noise is a contentious issue among the computer community. Some don’t notice it, others rage against it as an annoyance and distraction. Some turn to liquid cooling, while others look to passive solutions to eliminate the scourge. [Matt] of [DIY Perks] may have found a far more oddball solution, …read more
Continue reading Near-Silent Bellows Uses Water Flow And Magnetic Coupling