Kinetic energy is energy that a body possess as a result of its motion. Kinetic energy as it is mathematically written is the "classic statement" of: Kinetic energy is equal to half the mass of an ...

Energy, or the potential for creating it, is all around us. It is being tapped at an incredible rate from sources that are naturally replenished, such as sunlight and wind. But there is one other ...

Source: NOVA: "Secrets of Lost Empires II: Medieval Siege" This media asset was adapted from NOVA: "Secrets of Lost Empires II: Medieval Siege" In medieval times, one of the most fearsome weapons was ...

Philip Lubin has been funded by NASA NIAC to study a practical and effective method of planetary asteroid defense that allows for extremely short mitigation time scales if required. The method ...

Friction is an intrinsic physical phenomenon to curling. Without it, objects in motion would move endlessly, without slowing down. This would cause many safety-related problems: Cars or trains could ...