PASSIONATELY CURIOUS - Sebastian Martin, PhD

It looks so cool and it’s so easy to make: The Alca Seltzer Lava Lamp.
It’s got science in it, too! Read more about the Alca Seltzer Lava Lamp

Blinkies in the Physics Summer Institute. Click on the Photos, and the first video(!) of Light Traces or download the Hand-out .
There is also a FLICKR PICTURE GALLERY

Video of backward spinning wheel with two LEDs

Thanks for experimenting with us!

Does gravity pull equally on heavy and light objects? - A free fall experiment done with only a camera and a pulsed LED light. How to…
Find more light traces in this gallery: