Are you confident in your observation skills and quick thinking? Let’s put that to the test, with a fun brain teaser that will challenge your visual perception and speed. This optical illusion isn’t ...

Fascinating visual phenomena known as optical illusions cause our brains to interpret reality differently. They can cause us to misinterpret what we see or trick our visual system into perceiving ...

In 2023, I posed 23 challenges as part of the Gizmodo Monday Puzzle series. Some require a bit of math, and others a light familiarity with physics; but most can be solved through logic and creative ...