Test your intelligence with a math puzzle that challenges critical thinking and problem-solving skills. The puzzle involves ...

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 ...

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical ...

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 ...