Videogames can do whatever they like with their physics. They don't have to follow our so-called laws of nature. Yet there are indeed rules in every game, otherwise the motions of characters ...

Visiting all the children on Earth in one night requires serious horsepower (or, reindeerpower?) and now we know exactly how much. According to research carried out by undergraduates at the ...

To calculate the power needed to lift this poor fellow ... This whole motion takes about 0.46 seconds. Now for some physics. Let me start with power, defined as the rate at which work is done.