Calvin: Go on "three" ok? One..two...two and a half...Ready..set..go! *Gasp* I can't believe it! No sonic boom! Not even a "pop"! Hobbes: I heard a pop, but I think it was my lungs.
February 07, 2019
January 17, 2018
It’s hard to run faster than 768 mph, even if you’re going downhill. Keep trying, though, Calvin. If you can do it, you have a great track career ahead of you.
Even centuries ago, it was possible to get something to break the sound barrier.++++++++++Give up? Is it time for me to crack the whip???
That was fast.
that’s only when it hits something
September 25, 2019