Exploring the construction of medical electrodes
20:30
Squirty foam duck - destructive teardown
28:56
The clever feature that makes cheap heaters safe — and why they're actually dangerous
16:25
f/0.38 camera lens made with oil immersion microscope objective
24:43
The Lever Paradox
18:24
This Rare Futuristic eBike is a Total Nightmare
24:02
The V-22 Osprey and why it keeps crashing
20:46
Finally! A Battery That’s Better Than Energizer and Duracell!
26:11