[Bloody Sam Roberts]

I kind of remember these two classics:

"Nothing can travel faster than the speed of sound."

"A nuclear explosion inside our atmosphere will undoubtedly cause an uncontrollable chain reaction that will ignite the atmoshpere and incinerate the Earth."

[js1138]

I kind of remember these two classics:

If you remember them you should rember their source. I don't remember either.

It has been known for a long time that the crack of a whip is caused by its tip exceeding the speed of sound -- propelled by a human hand.

And long before airplanes could survive exceeding the speed of sound, German V2s were pounding London at speeds greater than sound.

[BlackbirdSST]

"Nothing can travel faster than the speed of sound." "A nuclear explosion inside our atmosphere will undoubtedly cause an uncontrollable chain reaction that will ignite the atmoshpere and incinerate the Earth." I'm with ya blood. No one can concieve it or reproduce it, therefore it can't be. What will tomorrow bring? Nothing? Have we seen it all? I don't think so. Physical Law's were made to be broken. Blackbird.

[RightWhale]

There's more.

A human being riding on a train moving more than 30 miles per hour will asphyxiate.

A self-powered heavier than air flying machine has never flown.
-Scientific American 3 years after Kitty Hawk.