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Physics Facts

The World's Largest Laser

In a rural community in Northern California, in a building spanning the length of two football fields scientists are creating the world's largest laser. The National Ignition Facility project, know as ... Continue reading

The target chamber inside which NIF's 192 laser beams will converge upon a fusion-fuel-filled target.

Sonic Boom

They sound like thunder, but they're not. They're sonic booms, concentrated blasts of sound waves created as vehicles travel faster than the speed of sound. To understand how the booms are created, ... Continue reading

Galileo Thermometers

Every substance has the property of 'mass', which is the basic physical presence of matter. Matter occupies space. A physical mass contained within a physical space produces the physical property of ... Continue reading

Galileo at age 38.

Torque

A force may be thought of as a push or pull in a specific direction. When a force is applied to an object, the object accelerates in the direction of the force according to Newton's laws of motion. ... Continue reading