How light-propelled robots will fly in the wafer-thin atmosphere of Mars - https://thenextweb.com/neural/2021/03/09/how-light-propelled-robots-will-fly-in-the-wafer-thin-atmosphere-of-mars/

What goes up must come down, but as any aerodynamics engineer will tell you: getting it up is the hard part. On Earth, where our atmosphere is rather dense compared to many planets, we’re able to send aloft objects that are massive enough to be anchored to the ground through gravity via engineering based on […]


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