Spacecraft propulsion

The Tesla Roadster Will Likely Not Hit 60 In Under 1 Second

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The second–generation Tesla Roadster is back in the news after Elon Musk announced that the car would hit 60 miles an hour in less than a second. This is nearly a full second faster than the current record-holder, which got me wondering: Is it actually possible? I crunched some numbers to get the answer: it’s … Read more

The Skyhook Could Slingshot Mankind Across The Solar System

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The International Space Station is due for decommission in the 2030s. NASA is currently evaluating how to go about retiring the station: options include letting it burn up in the atmosphere or pushing it into a graveyard orbit. There’s another option that doesn’t involve disposing of the ISS at all, which would extend the life … Read more