Under the Presidency of George W. Bush, much media attention was given to the US's development of so-called 'Star Wars weapons.' The electromagnetic railgun is one of them.
No chemicals are involved in the firing of projectiles here - the powerful forces of electromagnetism are deployed to launch at speeds of up to 5,600 miles per hour, causing total devastation on impact. Put simply, this is a rocket launcher powered by magnets, and nobody within a 100-mile radius of it is safe.