Steve Spangler Science: Optical Illusion Heart
Steve Spangler Science

Play a trick on your eyes for some Valentine’s Fun

Steve Spangler Science: Magic Arcs
Steve Spangler Science

An optical illusion where identical arcs stretch and shrink.

Steve Spangler Science: Growing and Shrinking Head
Steve Spangler Science

Two mind-blowing optical illusions that just might change the size of your head

OLogy: Optical Illusions and How They Work
OLogy (American Museum of Natural History)

What you see and what you think you see are different things. Find out what your brain doing behind-the-scenes!

youcubed: Optical Art Task
youcubed (Stanford University)

This is a task that combines art, mathematics and design.