Cells manage a wide range of functions in their tiny package — growing, moving, housekeeping, and so on — and most of those functions require energy. But how do cells get this energy in the first ...

Kinetic energy is the energy of mass in motion. The kinetic energy of an object is the energy it has because of its motion. For example, in order to lift a heavy object, we must do work to overcome ...

When Judy Cardell was finishing graduate school at MIT, her goal was to work for the Federal Energy Regulatory Commission. She landed a job there, only to discover it wasn’t the right fit after all, ...

Potential energy is stored energy. Potential energy is the energy that exists by virtue of the relative positions (configurations) of the objects within a physical system. This form of energy has the ...