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.
Confidence votes 734. planes can take off when the lift produced by the wings exceeds the weight of the plane - some variables that determine lift are the speed of air moving over the wings, angle of the wing to the air movement and the shape of the wing which can be changed with the flaps or slats.