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.
The reasons are two-fold: 1  Firstly, a modern car with electronic throttle control system will be able to limit the throttle opening whenever the electronics of the car suspect that oil has not reached its operating temperature. 2  Secondly, what the light actually shows is whether the coolant is cold or hot. It does not show the most important thing for engine wear, the oil temperature. Since oil takes about twice as long to reach operating temperature than the coolant, you can't haul ass immediately after the the light is off.