11 years ago
Sabre rocket engine could open up access to space as never before
Imagine taking off from a runway like a normal aeroplane but flying so high and so fast that when you unclip your seatbelt, you float around the cabin. Look out of the windows: on one side is the inky blackness of deep space, while on the other is the electric blue of your home planet, Earth.
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http://www.guardian.co.uk
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