#splaceplane

While we might not hear much about spaceplanes these days, some companies still think there's potential there. And the major player in that field is Skylon, a proposed spaceplane with a hybrid air-breathing and rocket engine. Until recently, the device was only a proposal, a concept undergoing fundamental testing. But now the revolutionary engine that powers the spaceplane has gotten approval from the European Space Agency, and the thing has gotten much, much more real...