27:15

LED lamp with tiny 5kV high voltage ion module. (inc schematic)

27:21

Treadmill vs. Real Hill: Which is harder to run

29:03

Fixing a faulty USB power supply.

20:30

Complexo de plasma japonês e unidade de névoa

17:31

Inside an autonomous drone. (With beard entanglement incident.)

27:33

Excellently awful eBay trash (with schematic)

33:01

The Man Who Almost Broke Math (And Himself...)

49:03

Apollo Core Rope Memory (Apollo Guidance Computer Part 30)