Hard as stone until you cut it.
Dad is pissed! He told him NOT to microwave the glow stick but he did it...
Which will hit the ground first?
Racism ends up getting this kid punched in the face.
Are they harassing her or just being friendly?
Watch what happens when you insert a coin into a block of dry ice.
This guy dumps liquid nitrogen on his head. Don't try this at home, kids!
Remember the physics video from earlier in the week? Well here is another...
Watch what happens to his hand.
Watch what happens when you throw a chunk of pure sodium in a pond.