1,818 followers
RT @MarkBoslough: You simply cannot drive a strong enough shock from low-impedance air into high-impedance rock from an asteroid airburst.…
RT @MarkBoslough: You simply cannot drive a strong enough shock from low-impedance air into high-impedance rock from an asteroid airburst.…
You don't actually need a supercomputer to calculate the shock pressure in rocks beneath a Tunguska-like explosion. You can do this with pencil & paper if you know the basic principles of shock compression. There are plenty of tutorials, like this one.