A Moment of Science

Posts tagged updraft

June 2, 2011

 

lightening striking close to homes

Thunderstorms Operate In Cycles

On a summer day, a thunderstorm can appear out of nowhere and disappear just as fast. What causes a storm to change so suddenly?

May 17, 2011

 

hailstones on the ground

How Nature Creates Hailstones

The largest hailstone ever recorded was over five inches in diameter, weighed over one and a half pounds, and fell on Coffeyville, Kansas in September of 1970.

September 15, 2005

 

Airplane Turbulence

You’d expect a ride this bumpy if you were driving an off-road vehicle over rocky, uneven terrain, but a bump bump BUMP as you glide 30,000 feet above that terrain in a modern jet liner, might surprise you, not to mention scare the bajeebers out of you. After all, you never notice hard lumps and bumps as you breathe air. What makes an airplane go bump? Learn more on this Moment of Science.

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