There’s nothing quite like a maddening math problem, mind-bending optical illusion, or twisty logic puzzle to halt all productivity in the Popular Mechanics office. We’re curious people by nature, but ...

Math is a challenging subject because it requires an understanding of how to perform the operation to reach an answer, which makes it more difficult to Google an equation to find the answer difficult ...

Do you think you have sharp eyes and an even sharper brain? Here’s a fun challenge that will put your observation and problem-solving skills to the test! Optical illusions are not just fun to look at ...