Light
speed is the ultimate speed in our universe. Why we haven’t been able to build
– or even conceive of – a contraption that goes faster than light.This video
shows how things get really creepy in these circumstances, and describes
why the speed of light – 186,000 miles per second (300,000 km/sec) – seems to
be our universe’s final speed limit. You’ll appreciate all six minutes of watching
it.
