Steam turbines have helped drive a large chunk of our technological development over the last century or so, and they’ll always make for interesting DIY. [Hyperspace Pirate] built a small turbine and ...

Most simple DIY comb generators seem to run out of steam about 1 GHz. I recently ran into David Bowman’s 2.4 GHz circuit and measured an upper usable range of about 6 GHz. While greatly attenuated ...

I tell ya, when the zombie apocalypse sweeps over this planet, we’ll all be in a world of hurt. I mean, aside from avoiding zombies trying to munch our brains, how will we charge our precious portable ...