Found this while looking up a question I had about oil.


Thought it was neat.

Hey look, one moving part:

This one:

Around 2:30, with the tracing paper and the marker... that's all computer now, but this is pretty cool.
It's like a model leaf spring!

 

I thought the intro to this was hilarious!


"weaker sex... such frail creatures"

**not my words** just never knew this was the norm in the 40s

OMG, I really just wanted to see these for the old school tech, but HOLY COW, this isn't just sexist... it's THE SEXIST THING EVER.

 

hey im new to this forum I know its a dumb question but how do I post a new thread?

 

Welcome to the forum, well you have crated your first post, so to create a new thread, go to the main section of the forum you are wanting to post in and in the upper left corner you will find a button that says "New Thread" and away you go!

 

The process where ice melts under pressure of the skate is called regelation.

Maybe I misinterpreted the bit on the gear pump but the flow in a gear pump goes around the outside, not through the meshing gears since a fluid is incompressible.

Cool videos.