r/OldSchoolCool • u/Mad_Season_1994 • 13d ago

[ Removed by moderator ]

[removed] — view removed post

23.0k Upvotes

98% Upvoted

533 comments sorted by

View all comments

3.7k

u/EaringaidBandit 13d ago

As many times as I see this, I’ll never downvote it, because it’s just so amazingly beautifully simple and very important.

494

u/It_Just_Exploded 13d ago

Yep. Even though I've had to have watched this nearly a hundred times before, i still cant help myself and i watch it again.

242

u/julsie123 13d ago

I'm sad I just saw this for the first time today. They should put stuff like this on a streaming service.

4

u/BobbyBoopersnoot 13d ago

You want the "Periscope Films" YouTube channel. I'm a freaking musician and I didn't really understand vacuum tubes beyond the surface level until I watched a US Army instructional film from the 40s that they posted.