Several great YouTube science videos

by Stephanie Chasteen on December 19, 2008

Here are some great gems from some really old posts over at Swans on Tea. Thanks to Rhett at DotPhysics for the technical assistance.

Robots doing amazing things:

Carbon dioxide is heavier than air (neat thing to try at home)

Weird psychology trick (how does he do that?)


Rhett December 19, 2008 at 1:58 pm

Just click the video in that other blog and there is a button in the lower left that looks like an up arrow. This will pull up a menu with the “embed code”. Just paste that in your post.


sciencegeekgirl December 19, 2008 at 2:52 pm

Thanks Rhett!

agm January 1, 2009 at 10:19 am

It’s not psychology, it’s discrete math applied to changing network topology (i.e., he’s using graph theory). He’s counting up the edges traversed each time he calls out a number and removing a sticky you can’t be on if you’ve moved each time he called out a number.

sciencegeekgirl January 3, 2009 at 8:54 pm

Awesome! Thanks agm.

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