For our younger readers: the Furby is a toy released in 1998 by Tiger Electronics and that saw tremendous success in the following years. Each Furby is a little animatronic creature that resembles the Mogwai from the Gremlins films, but more colorful. When first unboxed, they speak “Furbish,” but then transition to English. While they speak, they […]
Have you ever exited a dark movie theater in the middle of the afternoon and found yourself blinded by the sudden transition to bright sunlight? Etienne Leroy faces the same problem after watching a movie on his home projector and turning on the lights. Because those lights are intense and instantly come on at full […]
While brainstorming gift ideas, Professor Boots settled upon creating a tiny present-delivering robot that could move around on its own power. Because WALL-E’s design already has a built-in compartment and is quite memorable, it became the jumping off point for the project. The entire robot is 3D-printed from a combination of rigid PLA for the housing and flexible […]
The world of mechanical engineering is full of interesting and ingenious mechanisms. The Geneva drive, for example, translates rotary motion into intermittent ticking — perfect for a wristwatch or clock. With a clever mechanism, one can reduce the need for complicated control electronics. That was the case with the self-reversing screw that moves the guide […]
Roulette is one of the classic casino games, along with poker, blackjack, baccarat, and craps. There are two popular versions of roulette: American and European. The American version features an additional zero (green) pocket and the numbered pockets in a different arrangement. Mirko Pavleski built a digital European roulette wheel and used charlieplexing to drive all 37 […]
Everyone loves a nice Nixie tube clock, but Nixie tubes are expensive and difficult to find. Even if you can source a working set, driving the vintage tubes is a complicated undertaking by modern standards. Nixie tubes require high voltage and multiplexing, which is a pain. To solve these problems while retaining the aesthetic, 4Dcircuitry […]
LED accent lighting is very trendy right now, as it can add quite a lot of visual interest to a room without introducing clutter. But commercial products are often either very expensive or subpar in quality and capability. Fortunately for makers, this kind of project is perfect for a DIY weekend build. One great option […]
Ping pong is one of the most popular sports in the world, but that doesn’t mean that it is easy to find people to practice with. Lone players are typically forced to practice by using return boards (or one half of the table flipped up), but that is overly predictable. To provide a better training […]
The periodic table is arguably the most popular symbol of nerd pride. Everyone knows what it is, but few people are familiar enough with it to make real use of it. There aren’t, for instance, many people that can tell you the atomic number of darmstadtium. If you’re one of the nerdy few who can, […]
There are many different fluid pumping mechanisms to choose from, but the peristaltic pump is a great choice when you don’t want the liquid to contact any moving parts. That is ideal for beverage dispensers and medical equipment, because the liquid only touches the tube it runs through and that is easy to clean or […]
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