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.
Jeff writes, “7 years after ‘grassroots mapping’ the BP spill when journalists were denied access, the open source community Public Lab is back with an even more accessible Do-It-Yourself way to take aerial photos: the Mini Balloon and Kite Mapping Kits.”
The Kaonashi No-Face Piggy Bank makes the most out of one of the coolest characters in Studio Ghibli’s storied history — but getting one exported to you from Japan costs an astounding $164. (via Kadrey)
I have a feeling Donald Trump (and most of the rest of the human race) would be happier if he were starring in the sitcom suggested by this photo insteading of serving the American people as a federal bureaucrat. In actuality, it’s a photo of Nikos Giannopoulos, Rhode Island’s teacher of the year, who said […]
As the old saying goes, “You should sit in meditation for 30 minutes every day. Unless you are too busy, in which case you should meditate for an hour.” Since most of us have an endless list of things to do and people to see, carving out quiet time can feel impossible, especially when most […]
The Bragi Dash Truly Wireless Smart Earphones are far more than your run of the mill Bluetooth earbuds. While the earpiece design makes these earbuds ideal for exercise and activity, and passive noise cancelling is conducive to a more serene listening experience, these buds go well beyond just playing music.First of all, they can actually […]