Humans don't have hollow bones like birds do, so how big would our wings have to be to lift us off the ground?

Eighty years ago, a new type of aircraft took to the skies, promising to fly faster, higher, and further than anything before. But in just a few years, these futuristic flying wings were destroyed or ...

THIS is the moment a new flying drone ship skims across the ocean ... built with dynamic wings and hover engines. The drone zips across the waters as swiftly as it enters them again, in a design ...