Here’s how DARPA describes their MAgnetoHydrodynamic Explosive Munition (MAHEM) railgun: Essentially, the weapon will use electricity to bend metal into the specific deadly form needed as it’s fired. If built, a person firing the weapon could adapt their attacks if the vehicle they’re attacking survived one type of shot. Beyond that, details of the weapon in American publications are sparse, but David Hambling at Popular Mechanics appears to have found a paper by Chinese researchers that details a very similar weapon. He reports: Is imitation the deadliest form of flatery? Here’s hoping the battlefields of the future don’t find out. Read the full story at Popular Mechanics.