Science fiction technologies often use magnet-powered ... Advancing American troops discovered the plans and grew interested in the concept. Rail guns have potential benefits: improved range ...

Yet those same laws appear to permit other far-fetched sci-fi concepts, from wormholes to parallel universes. Here's a rundown of some of the sci-fi ideas that could actually be done — in theory ...

As technology continues to blur the boundaries between imagination and reality, Alexander Pazionis stands at the forefront of ...