What is the most difficult concept to grasp in physics? originally appeared on Quora: the knowledge sharing network where compelling questions are answered by people with unique insights. Answer by ...

A pair of scientists from the UK recently published a pre-print research paper discussing the theory of a universe with no beginning. Imagine it: our universe has always existed. The Big Bang either ...

For the first time, researchers have produced experimental evidence that classical chaos occurs in the quantum world. Chaotic behavior is the rule, not the exception, in the world we experience ...

Professor of Mechanical and Aerospace Engineering, North Carolina State University If you drop a light object and a heavy object from a tower, which one reaches the ground first? As you may recall ...

In the everyday world that humans experience, objects behave in a predictable way, explained by classical physics. One of the important aspects of classical physics is that nothing, not even ...

q What inspired you to pursue science? Mathematics and physics always came easily to me. In high school and college, I read books by physicists like (Werner) Heisenberg and (Isaac) Newton. Their words ...