Stashed in: Robots!, LEGOS!!!, Factoids, Puzzles!
From a collection of "science" gifs...
Slicing a bead of mercury in half using 90s CG technology...
Ball caught in underwater toroidal vortex...
Cesium in water...
Match burning chain reaction...
Best explanation of gravity I've seen: How Gravity Makes Things Fall
Science! Science! Science! Backgrounds
Bill Nye and Neil deGrasse Tyson
Inception: The Infographic