15:05

This lamp can hurt you in two ways

9:48

How an HIV Miracle Drug Vanished

15:16

Inside a pink plastic 500W heater from eBay. (Good for parts.)

14:19

Are over-discharged lithium cells safe? (And how to test for damage.)

53:27

Noco Boost Plus GB40 Lithium Jump Starter | Can I Fix It?

14:35

Don't buy cheap death-wish chargers

14:25

Poundland "disposable" phone charger.

19:34

What's inside Eneloop and LIDL NiMh cells (fire, apparently)