The Deep Voice Gas – Sulfur Hexafluoride (SF6)
It was fun to see David Willey on The Tonight Show this evening doing some nice variations on the classic sulfur hexafluoride (SF6) demo. This is the inert gas that is six times heavier than the air we breath. If you breath in helium (six times…
Water Flowing Uphill?
Not exactly... but this stuff is really cool. It's probably best described as a self-siphoning gel. The chemical is called polyethylene oxide or Polyox and it has an incredibly large molecular weight - about 4 million. When the powder is mixed…
New YouTube Channel for SteveSpanglerScience
We've stuggled with the decision of where to host our science demonstration videos. It really comes down to accessibility and it's tough to beat YouTube.com So, we uploaded our first round of science demonstration videos on our channel called…
Remembering Mr. Wizard – A True Inspiration
As I was driving home this evening, I received a call from a fellow science teacher who shared the news of the passing of Don Herbert. As I reflect on the impact Mr. Wizard had on science education and me personally, I can't help but be thankful…
Mentos Slow Motion Video
If you've ever enjoyed wearing a bottle of Diet Coke after dropping in a roll of Mentos, you know that the reaction is immediate. I've always thought that it would be cool if you could slow everything down and really look at the reaction. I…