Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, ...
KameraOne on MSN
Delivery rider dodges runaway lorry in split-second escape
On December 19, a routine food pickup in Sao Paulo suddenly turned life-threatening when an out-of-control lorry tore down a ...
Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...
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