If you want to know the record holder for the highest IQ in the world, then you're in the right place. Although many people think it's Steven Hawking with an IQ of slightly over 200, or Marilyn vos Savant with and IQ of 228. We want to mention that results of IQs can vary from test to test and by age.
One car passes another at breakneck speed. adjective. The definition of breakneck is something that is moving really, dangerously fast. Driving at 100 miles per hour is an example of driving at breakneck speed. very fast, reckless, dangerous, etc.: said of speed, pace, etc.
Breaking the Sound Barrier with an Aircraft. Military aircraft routinely accelerate to speeds greater than the local sound speed. Historically, this was referred to as breaking the sound barrier. The passage from subsonic to supersonic speeds is accompanied by some unusual phenomena which lie in the realm of nonlinear mechanical events - events involving some degree of chaos.