CNN Fareed Zakaria GPS March 15, 2015 14:36:00
Big ben and the big apple would be only an hour apart at that speed. >> that's like we have the technology in hand to be able to design and build an engine that can fly in that extreme environment for however long we can carry fuel. if we had more fuel, we could have flown further. >> today's jet engines have trouble going faster than two or three times the speed of sound causing their rotating parts would get too hot. but the engine that powered waverider had virtually no moving parts. ift's called a scram jet engine. here is how it works. air from outside the aircraft is allowed to flow thro...