It is useful to know how much energy is transferred from one store to another. Different equations are used, depending on how energy is transferred or stored. An object raised above ground level An ...

Virtual particles may not be real, but they help physicists track how forces move, and allow for incredibly precise ...

Energy is conserved. It cannot be created or destroyed. Energy can be transferred between stores. The total energy has the same value before and after any changes. A diving platform is 10 m above the ...

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 University ...