Category Archives: Science

Levitation by Sound?

Remember that physics lab when you had to make standing waves with a Slinky and a jump rope in the school hallway? Change the slinky to a 3-D sound wave and you can pretty much visualize what’s happening here. The wave effectively becomes a surface which can support weight – and be moved. Imagine touch… Read More »

This Video Will Hurt!

I just watched this with my kid. After 10 seconds he starts holding his head. After another 5 my temples start throbbing.  Quite the experience! Press PLAY. I dare you. Ouch. And on that note, I believe! The brain is a strange, highly complex place.