17:31

I Automated My Typewriter…

13:02

I Made a Ball Rollercoaster that's also a Clock

13:55

Segmented Displays

15:09

Electromagnetic Aircraft Launcher

24:43

I built a MODERN apple iPod...

16:33

The "Impossible Torpedo" was real

25:43

Precision guided launcher turns noobs into pros

20:08

DIY Laser Image Projector (100ft+ Range!)