This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Zoltan Fodor, Professor of Physics, Penn State When ...

It is important to remember that the distance (d) is the perpendicular distance from the pivot to the line of action of the force (see diagram). A force of 15 N is applied to a door handle, 12 cm from ...

Zoltan Fodor receives funding from DFG, BMBF. When the results of an experiment don’t match predictions made by the best theory of the day, something is off. Fifteen years ago, physicists at ...

Jim Baggott is a science writer based in Cape Town, South Africa. He is co-author with John Heilbron of Quantum Drama. Quantum mechanics is an extraordinarily successful scientific theory, on which ...

Techniques resulting from the work of Pierre Agostini, Ferenc Krausz and Anne L’Huillier let scientists capture the motions of subatomic particles moving at impossible speeds. By Emma Bubola and ...

Physicists use the displacement formula to find an object's change in position. It sounds simple, but calculating displacement can quickly get complicated. Let's break it down using some solved ...