>...
>>>Consider this:
>>>
>>>A car approaches the speed of light and thus becomes close to infinitely long.
>>>It arrives at its garage and, only having drum brakes, fails to slow down and stop, crashing into the back wall and stopping dead.
>>
>>I think you have it backward. AFAIK, the length decreases in the direction of motion rather than increases. The car would become infinitely short and infinitely massive. Forget about being stopped by some stinking brick wall.
>
>I think not. How could something aqpproach infinite shortness and yet also infinite mass? I may be wrong but that's how I learned it.

sounds like a black hole to me. :-)