What if NASCAR had no rules?
What if we aimed the Hubble Telescope at Earth?
What if you threw a baseball going nearly light speed?
What would a magnitude 15 earthquake be like?
What if you swam in a nuclear storage pool?
What if all the lightning on Earth struck the same place at once?
What if all humans died, when would the last light go out?
What if a glass of water were LITERALLY half empty?
What if everyone pointed a laser at the moon?
What if you built a billion-story building?