How gravity causes a perfectly spherical ball to roll down an inclined plane is part of the elementary school physics canon. But the world is messier than a textbook.

Falling firmly under the fascinating science category of ‘What if…?’ comes the idea of powering airplanes with beamed microwaves. Although the idea isn’t crazy by itself, since we can even ...

This is simply a picture of a jet fighter travelling close to the speed of sound. The combination of the shape and speed of the airplane produces zones in which the pressure and temperature are ...