Retro Phone

Erotica

Powerful Laser Pointers

SkyRails Project

Ultimate Jump

Dynamite Surfing

9 V battery hack

Bluetooth project

    A Tesla coil is device to develop very high voltages pioneered by Serbian guy - Nikola Tesla over 100 years ago. In its simplest form it is an air cored transformer driven by discharging a high voltage capacitor through a few of the primary turns.  The picture talks for itself...
   

Titanium chrome laser pointer from Gizmonauts