A 3D-printed plane with tissue paper wings and a supercapacitor charged in four seconds managed 45 seconds of flight. Here's ...
The price of a barrel has more than doubled in recent weeks.
Hidden in the fine print of airline tickets, many countries charge tourists “departure fees.” Not everyone thinks they’re a good idea.
Reaching the nearest star system, Alpha Centauri, would take hundreds of thousands of years using current rocket propulsion ...
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