For those of you who take sandcastle building very seriously, listen up: engineers now say you can trust a very simple equation to calculate the force required to push a shovel -- and any other ...

I woke up in the middle of the night, utterly confused. I had been dreaming—of an equation. I was in a classroom, and on the blackboard, there was a simple equation written in chalk: 0.8 * 0.2 = 0.16.

Have you ever been in a restaurant, ordered something and thought, “How did this ever get on the menu, let alone onto my plate?” Ever been at work and had an edict come down from up high and wondered, ...

For those of you who take sandcastle building very seriously, listen up: MIT engineers now say you can trust a very simple equation to calculate the force required to push a shovel -- and any other ...