Learn from balloon twister Michael how to blow up a balloon with "sudden inflation." Make sure your thumbs don't get in the way, even if you have big thumbs.
Do Flash Balloon Mouth Inflation
If you've got a birthday party to plan for a young budding scientist coming up, a little nitrogen should do the trick. In this project, I'll show you 10 "super cool" tricks with liquid nitrogen that you could try, but probably shouldn't! Video: . WARNING: Adult Supervision Nee ...more