14:46

Another work light with weird circuitry (with schematic)

14:24

Exploring a "retro" LED floodlight with a well designed driver

11:06

Genius Contactless Motor Could Change Transport Forever

24:19

Fabricamos nuestro propio cuchillo de aire

15:05

This lamp can hurt you in two ways

19:05

Candidato a maestro de HandCopter V6

14:49

Apilamiento de 5 módulos Peltier y temperatura alcanzada de -90 ℃

29:33

JD Vance schwach wie nie: strategische Analyse des Eklats mit Selenski | Prof. Dr. Christian Rieck