If you’re studying for the higher tier exam, you will need to be familiar with calculations involving very large and very small numbers by using the ×10x or EXP button on your calculator. The equation ...

The wave equation is a very important formula that is often used to help us describe waves in more detail. It should be noted that some particular waves have their own specific speeds. The speed of ...

A research team led by Tomoro Sashida and Tomoharu Oka of Keio University in Tokyo, Japan, has succeeded in precisely measuring the expansion velocity of a shock wave of the supernova remnant W44. The ...

Harry Friebel, surfer, ocean engineer and research assistant for the Stevens Institute of Technology responds: “Answering a question like this is highly complicated — to say the least. There are just ...