In many physics problems, we simply ignore the air drag force. Why? Because of two reasons. First, the effects of air drag are often small when dealing with falling balls and rolling carts (a staple ...

Come to lab (hopefully not late). Most likely listen to a boring (but short) lecture that seems similar to stuff that was also covered in lecture class – but it’s still confusing. Look at some new ...

A group of physicists has unveiled a new warp-drive model that conforms to conventional energy constraints, indicating the concept long relegated to science fiction may be inching toward viability.