MDA is a man-made (synthetic) recreational drug noted for its stimulant and psychedelic properties that has been used since the 1960s as a clubbing and sex-enhancing substance, with some similarities to LSD and MDMA (ecstasy). Sought after effects.
The soaring temperatures that Las Vegas is experiencing this week could cause grief for pilots at other airports, because heat thins the air and makes it more difficult for aircraft to lift at take-off. To deal with that, pilots need to gain more momentum as they roll down the runway before reaching liftoff speed.
(CNN) -- If you've traveled by air in wintry weather, you've probably looked out your window before takeoff and seen vehicles circling the plane, spraying deicing fluid on the wings. Passengers often ask me why it's so important to make sure the aircraft is free of snow and ice accumulation. Not just removing, but also preventing a build-up of snow and ice on the wings and tail of an airplane is crucial for a safe take-off. A plane's wings and rear tail component are engineered with a very specific shape in order to provide proper lift for flight.