Quantcast
 
 
Registered users get the full experience, including fresh user images and profile data. Log-in, or if you don't have a Twellow account, Get one here, free

Periodic Videos

Followers1,540
Following0
Tweets0
 
124
 

Bio

This is where we Tweet about periodicvideos AND sixtysymbols. Seriously fun videos about chemistry, physics and astronomy!