The halo of the Andromeda galaxy borders on that of the Milky Way

Thanks to the Hubble telescope, NASA scientists have managed to map the immense halo of gas surrounding the Andromeda galaxy. This one is so gigantic […]

This electric bike is the lightest in the world. Guess how much he weigh

Electric bike A German engineer took on the challenge of creating the world’s lightest electric-assist bicycle. He succeeded at the cost of hunting for superfluous […]

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