CHAPTERS 0:00 What we see vs. possible hidden reality 2:06 What is a dimension? 3:22 Isn't time a dimension? 5:20 The strange ...

String theory found its origins in an attempt to understand the nascent experiments revealing the strong nuclear force. Eventually another theory, one based on particles called quarks and force ...

Can adding every positive whole number really give you -1/12? We explore how physicists extract meaningful finite values from ...

Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in physics: string theory. This rare particle—never seen before and predicted not ...