Teste do Bloqueador de Rádio, Wi Fi, Celular e Bluetooth
12:10
The Unexpected Genius of Dimpled Propellers
13:01
How to Build a Very Simple and Efficient Audio Amplifier with 1 Transistor
12:03
Musk-Trump Feud Goes Nuclear | DHS's 22-Year-Old Terrorism Chief
27:35
This 6502 is as old as me and I test it
10:50
Homemade radio without electricity. Manufactured by hand and its curious operation
18:03
Building a $12,000 PC in a Random Asian Tech Mall
51:30
Another cheap scope: $18, shipped! (FNIRSI DSO152)
22:01