Gears explained. Learn what are gears, driver gear and driven gear, gear ratios, why we need gears, torque and mechanical advantage in this video on mechanical engineering.

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Artist: NOFX
Song: Scavenger Type
Album: Punk In Drublic

World News Report Today
July 18th 2021!

NASA Warning!

https://www.spaceweather.com/

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Thunderstorms in Earth’s upper atmosphere remain something of a mystery. Scientists cannot reach them directly with instruments; they are too high for balloons and too low for weather satellites. An investigation aboard the International Space Station has…

Sprite phenomena, found 25 to 50 miles above thunderstorms--may have to do with gravity and the atmosphere.

You probably have no idea what a Sprite (not the soft drink) and that's okay...

A Kimberley photographer has captured a spectacular and rare atmospheric phenomenon

(image) Lightning comes in many forms, from standard cloud-to-ground bolts to such exotic varieties as blue jets and red sprites.

Mysterious violet ring appears in the sky over Russia. Elves are electromagnetic pulses generated by lightning strikes. Elves is an acronym for Emission of Light and Very Low Frequency...