Solar power collected in space could ultimately be tapped to provide the renewable energy of the future.
Scientists have managed to cloak a three-dimensional object standing in free space - bringing the coveted sci-fi/fantasy invisibility cloak one step closer to reality.
NIST physicists have for the first time linked the quantum properties of two separated ions by manipulating them with microwaves instead of the usual laser beams.
High-tech techniques such as GPS could be behind the appearance of crop circles, says physicist Richard Taylor of the Materials Science Institute at the University of Oregon.
US Army-sponsored researchers have built a land mine detection system for a hundredth of the cost of traditional systems - using parts they bought in online auctions.