More "The Workshop" videos, don't even care what the tests are.
A JayzTwoCents video reminded me of Luke getting really annoyed at nothing making any difference. They were some of my favorites.
AC vs. DC motors. Differences in operation, advantages, disadvantages?
I needed to buy a fan recently and found Vornado selling some DC versions that were more expensive than their AC counterparts, claiming greater efficiency and more control. It made me wonder what the differences were in performance, cost to manufacture, and the underlying mechanism for converting AC or DC to mechanical energy.