Infectious diseases spread exponentially, yes, but only in the beginning. Thank God.
An Ancient Magma Flood Offers Clues About Global Warming
4 million years ago, a burst of hot rock heated the planet, causing ocean acidification, massive storms, and extinctions. What can we learn from this early example?
Car on a Trampoline: More Kicks With Kinetic Energy
How about some fun (and bouncity) physics puzzles to solve while you’re stuck at home?
How Fast Does a Virus Spread? Let’s Do the Math
Infectious diseases grow exponentially, not linearly. The number of cases seems small—until they’re not, and then it’s too late.
Moving Your Class Online? Tips for Keeping Students Engaged
With high schools and colleges closing, the key to teaching is finding creative ways to make learning meaningful. A physics professor weighs in.