Random Asides

Spiral Illusion

Here’s a cool optical illusion you can demonstrate with the springs from two clicky pens:

Rebecca Watson

Rebecca is a writer, speaker, YouTube personality, and unrepentant science nerd. In addition to founding and continuing to run Skepchick, she hosts Quiz-o-Tron, a monthly science-themed quiz show and podcast that pits comedians against nerds. There is an asteroid named in her honor.

Related Articles

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Back to top button
Close
Close