BECAUSE of the effect of the Earth's rotation, an athlete running anti-clockwise will have a slight advantage, resulting in a faster time. In the Southern Hemisphere, this effect is reversed but, as ...

👉 Learn how to rotate a figure and different points about a fixed point. Most often that point of rotation will be the origin, but it is important to understand that it does not always have to be at ...

Each week, our meteorologists answer a question from readers.

The James Webb space telescope looks further back in the universe than any other instrument. Now a baffling puzzle has been discovered in the data. Among the particularly distant galaxies explored by ...

Generally speaking, the gear mechanism of automobiles and bicycles is usually to increase or decrease the rotation speed in one direction, but by using a special mechanism it is possible not only to ...