Photonicinduction - Fun with electricity. A good reminder about not messing with electrical devices and cables.

The Engineerguy - Bill Hammack explains the mechanisms and insides of various items. (CC-by licenced.)

Bushbeeman - In the bush, finding bees, the man.

SUSD - Modern boardgame and cardgame reviews.

Haven’t checked these out much, but they were recommended too:

Technology Connections

Household tech tips

How Money Works