Some things, like voltage, are very easy to measure. Other things, like the chemical composition of a compound? Not so much. Emissions from internal combustion engines are one of those things that are hard to measure. But Janis Alnis needed a way to measure his diesel soot emissions so he could pass inspections in his […]
When stuck between a cheaper yet small laser cutter and splurging on a much larger one, Owen Schafer decided instead to just build one himself. The project started with Schafer sourcing a 40W CO2 laser, which differs from a diode laser in that it uses gas heated with 16,000 volts to produce a very powerful beam of light. […]
Logitech’s Driving Force Shifter is a very common piece of kit for those who enjoy racing games, as it connects to a Logitech Racing Wheel and allows the player to control their car in a more realistic fashion. However, this accessory’s DB-9 connector must be connected to a proprietary base within the racing wheel or […]
For apartment-dwelling drummers, electronic drums are really the only option. While cheap electronic drum sets are on the market, they aren’t much more than noise-making toys. High-end sets, on the other hand, cost thousands of dollars. To make high-end hardware and software accessible to DIYers, Jeremy Oden developed an open source, low-latency electronic drum system […]
Modern humans have forgone their tails in favor of walking upright, and this fact left maker Pengfei Zhang wondering what it would be like to have such an appendage. From this idea, she along with Sarvenaz Sardari and Xi Peng created the Cyber Tail, which integrates embedded electronics into a small device that moves with its […]
When a patient is receiving intravenous (IV) fluids, it is vital that air is not introduced into the line, as its presence can create issues such as excessive pressure or even embolisms that can be life-threatening. Normally, the level of fluids remaining within the bag is periodically checked by a nurse, but due to challenges […]
Pen plotting projects are everywhere nowadays, with the vast majority using a couple of stepper motors for moving the writing utensil and a servo to raise or lower it. But they are quite slow due to the lack of rigid assembly and because the servo motor takes around a second to move the pen. This […]
The cyberpunk aesthetic, like several other genres, often takes the form of heavy and metallic body modifications or devices that are meant to signify a more futuristic society. Inspired by the video game Deus Ex, Redditor Star_11 had the idea to create their own smartwatch primarily out of soldered brass sheets and 3D-printed plastic. Within this space-age bracelet […]
Inspired by his Christmas tree’s RGB lights, Brett Haddoak had the idea to turn his now-wife Rachelle’s wedding dress into something out of the classic children’s movie Sleeping Beauty by embedding a series of RGB LED strips that would elegantly illuminate it just like Princess Aurora’s. At first, Haddoak chose to simply take the Christmas lights off of his […]
Walking a tightrope does take skill and natural balance, but it is really a matter of inertia. This is why you see acrobats carrying long poles on the high wire — the weight and length of the pole creates inertia that gravity must overcome in order to topple the performer. But those poles are unwieldy. […]
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