11:03

Inline remote USB switch - with undocumented modes (until now)

9:28

The trashiest of all miracle heaters (with schematic)

20:56

Not Many People Know This Secret of Coins! Very Useful

5:35

LIGHTECH High Pressure Sodium lamp PREVIEW + START-UP

4:45

RADIUM Metal Halide lamp START-UP in the DARK

10:57

Testing AliExpress "mystery solder"

7:06

Inside an eBay sonic health bracelet for lymph drainage and fat reduction

11:32

Even Harvard engineers didn't think of this! Turn your bike into a brushless motorcycle