Nerd porn

 

Electrical Treeing

 

 

 

A candle lit by its vapor trail

 

 

 

Flammable fluid in a glass jug

 

 

 

Hydrogen peroxide mixed with potassium iodide

 

 

 

 A neodymium magnet falling through a copper pipe

 

 

 

Deflecting a stream of water with a charged rod