But the coolest weapon in the series isn’t a gun. It’s a sword — specifically, it’s the energy sword. You may have encountered an energy sword for the first time in 2001’s Halo: Combat Evolved.

I created a sledgehammer powered by six F class rocket motors, capable of generating 50 lbs of thrust. China reacts to Trump's "Golden Dome" missile shield ...

The US has a new, most powerful laser, creating more than 100 times the global electricity power output. Please log in, or ...