In my previous post on the Black Arrow from The Hobbit, I looked at the speed of some real arrows shot in my backyard. Oh, in case you didn't read that post, the arrow shot in the movie version of ...

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 ...

Traditionally, engineering students have learned about the thermodynamics of gas turbines by studying diagrams and solving equations, but this year they also donned hard hats, safety glasses and ear ...

The Principle of Conservation of Energy states that energy can be changed from one form to another but the total amount of energy does not change. Energy is measured in joules (J) and 1 J is ...

This is the fifth article in the Mind Matters series on the neuroscience behind visual illusions. Scientists did not invent the vast majority of visual illusions. Rather, they are the work of visual ...