The vapor trails produced by commercial jet traffic can trap enough heat to cause a localized increase in temperature. After the 9/11 terrorist attacks on the Twin Towers in New York City, all air traffic was temporarily grounded for three days while officials sorted things out. Meterologists ...
The water vapor coming out of the engine quickly condenses into water droplets and then crystallizes into ice. The ice crystals are the clouds that we see forming behind the engine. That is why we call these streaks contrails, short for "condensation trails." To help explain it, scientists...
Then for God’s sake LOOK UP and convince me the criss cross, tic tac toe patterns are normal cloud formations, water vapor con-trails that hang in the sky for HOURS and expand to fill what should have been a blue sky day. How often do YOU see a deep blue sky with a few fluffy ...
But hobbyists who fly drones for fun are largely unregulated. Under a law passed by Congress in 2012 to protect model-airplane enthusiasts, the FAA is prohibited from imposing new restrictions on recreational drone owners. As a result, they have not been required to obtain pilot licenses or u...
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The lines are calledcontrails, short for condensation trails, and they appear when water vapor condenses and freezes around the exhaust from an aircraft, accordingto the University Corporation for Atmospheric Research. At least that’s whatscience says. In recent years, a growing number of people...