MIT student Tyler Christensen created a musical Tesla coil hat for his Hallowe'en costume (it played the Mortal Kombat theme and the Harry Potter theme while discharging semi-tame lightning). While freely stipulating that this is "a really bad idea," Tyler is still generous enough to document his project for others who might follow in his bad footsteps.
Really, it’s just a DRSSTC. Nothing less, nothing more, nothing fancy. It was a bit tricky to make a bridge appropriately sized, and even harder to make a boost converter for it. In fact, the boost never truly worked. If I play a mid to high note for a few seconds, the boost can’t keep up and it fades away. I think this is due to saturation of my boost core, but I haven’t really taken the time to do much on this since now I’m back in the gate driver world and also have to throw together my 6.131 power electronics final project. I’ll fix hatcoil in February.
Berlin’s Raubdruckerin (“Pirate Printer”) roam the world’s great cities — places like Paris, Amsterdam and Lisbon — and apply ink-rollers directly to the prettiest manhole and utility covers they can find, then print tees, hoodies, posters and bags to sell with them.
Telecomunicaciones Indígenas Comunitarias A.C. — a nonprofit telcoms company operated by and for indigenous groups in Chiapas, Guerrero, Oaxaca, Puebla, and Veracruz — has received a license to operate cellular services in at least 356 municipalities. It’s the first time the Mexican telcoms regulator has given a operations license to an indigenous social group.
5 Worlds is a young SFF project that’s been a hard secret to keep these past years! It’s a five book series, 250 pages each, full color. It has five worlds and there are five of us working together on it. The story involves an impossible quest to light these ancient beacons left behind by […]
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Home audio has taken some big leaps forward in recent years–not just in terms of sound quality, but also in the style department. The FRESHeBAR Leather Soundbar, now 56% off in the Boing Boing Store, is proof.The FRESHeBAR comes packing almost all the options you’d ever need for a home sound system, including Bluetooth streaming capabilities.The unit’s 90 […]