DeBroglie's radical idea was that if light can have both particle and wave characteristics then so could particles. In mathematical terms it is generally written as

In what direction does an applied force move an object? in the same direction as the force independent of the force in the opposite direction of the force perpendicular to the force

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

What can you increase the strength of an electromagnet by