The Backyard Scientist
Dry Ice Hoverboard (D.I.Y. REAL Hoverboard)
Today I make a REAL hoverboard out of dry ice! It doesn't lift you high into the air like back to the future, but it perfectly emulates the feeling! Its just a wooden board with a rim around the edge to hole 3 blocks of dry-ice in place....
Physics Girl
5 weird ways to put out a candle
What happens when you pour liquid nitrogen on a flame? What about when you blow on the flame with a cup in the way? Try these five unusual ways to extinguish a candle. Pour out the flame with CO2. Cut off the oxygen supply to the flame...
Professor Dave Explains
Phase Changes, Heats of Fusion and Vaporization, and Phase Diagrams
What the heck is dry ice and why is it so spooky? Learn this and more when we investigate phase changes and phase diagrams!
Physics Girl
AMAZING! Ferrofluid + Glow Sticks
Ferrofluid is a liquid that displays unusual properties in the presence of a magnetic field. Watch what happens when we mix ferrofluid with the liquid from a glow stick!
The Backyard Scientist
Can a Magnesium fire be put out?
Ive always been curious to what happens if you light one of these whole blocks of magnesium on fire. I remember spending hours in boyscouts trying to shave off as much as I could!
Getty Images
Halloween Witch's Brew
Halloween boiling cauldron of witch's brew with smiling pumpkin. Ooooo, scary kids!