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Acronyms: LASER

The word LASER is actually an acronym for Light Amplification by Stimulated Emission of Radiation. A laser emits light through a process of optical amplification based...

Astronauts Grow Taller In Space

While astronauts are in space they gain anywhere from 1-2 inches in height. This is because in microgravity (without the force of gravity),  the spinal column...

The Softest Mineral: Talc

Talc is the softest known mineral and is listed as 1 on the Mohs hardness scale. It is a mineral composed of hydrated magnesium silicate with the chemical formula H2Mg3(SiO3)4 or...

Myths: It Is Impossible to Sneeze With Your Eyes Open

To say that it’s impossible to sneeze with your eyes open isn’t entirely correct. The process that produces a sneeze affects many parts of...

Jiffy: A Measurement of Time

The word Jiffy is an informal term for any unspecified short period of time, as in “I’ll be back in a jiffy”. From this...

Physics: Drops of Water on a Penny

Due to the forces of surface tension, (Surface tension is a property of the surface of a liquid that allows it to resist an external...

Crows Hold Grudges

Wild crows can recognize individual human faces and hold a grudge for years against people who have treated them badly. Researchers at the University...

The Immortal Jellyfish

A type of jellyfish – the turritopsis nutricula – has the potential to be immortal. The creature can revert to the polyp stage after...