A quirky science link, with cartoons! I think I am turning into Dave Ng…
From XKCD’s “What if?” blog,
“What would happen if you tried to hit a baseball pitched at 90% the speed of light?”
Everything within roughly a mile of the park is leveled, and a firestorm engulfs the surrounding city. The baseball diamond is now a sizable crater, centered a few hundred feet behind the former location of the backstop.
Read the post in its entirety to understand everything in between.
Side note, the fastest pitch ever recorded is 105MPH (603,999,895 MPH slower than the above pitch):