Gravity-defying optical illusion
This optical illusion is superb. Watch the balls roll uphill.
Optical Illusions versus Mental Illusions
I have a quick tidbit to share- an observation made by a psychology professor I had this quarter. It gives me a refreshed and relaxed perspective on the topic of humanity's many mental foibles. It goes something like this: We use optical illusions to demonstrate how the visual system works,…
Scary Optical Illusion
I really do enjoy good optical illusions. I've previously linked to this site, Mighty Optical Illusions, where you can find hundreds of well-crafted illusions. It's really worth a visit. Because it's Halloween, though, I decided to link to an illusion that involves something more--something terrifying (it startled me when I…