NASA -backed scientist has claimed his light-speed engine could help humans travel in space – but many other experts are sceptical.
Among the hundreds of exoplanets discovered this century, there are 45 "Earth-like" planets which could potentially sustain life as we know it.But even the closest of them is around 25 trillion miles away.The fastest spacecraft yet built would take nearly 20,000 years to reach another Earth and there's the additional problem of where all the fuel would come from.But one man thinks he might have the answer.Physicist and historian Jim Woodward has built an experimental engine which uses vibrating crystals to generate thrust.While the forces involved are comparatively small the important part is that the device.
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