WHAT'S INSIDE: FLIGHT

Flight is truly one of the most amazing engineering feats man has achieved. This collection of flight articles will show you some of the coolest aircraft ever created.
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FEATURED: FLIGHT

FPO

To most people a trip through customs is just another stop in an airport or a country's borders. But customs agencies do much more for their countries' governments. In fact U.S. Customs raises more revenue than any agency except the IRS. Find out why and how they do it.

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How Gas Turbine Engines Work

Ever wonder what's happening inside that huge jet engine as you're cruising along at 30,000 feet? Jets, helicopters and even some power plants use a class of engine called gas turbines, which produce their own pressurized gas to spin a turbine and create power.

What are chemtrails, and should you be scared of them?

It's difficult to look up in the sky during a clear day and not see at least one cloudy trail billowing from an airplane. Although they're officially called contrails, some people refer to them as "chemtrails" -- and have interesting explanations for their existence.

TRANSPORTATION: FLIGHT

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