Ian McEwan explains why Solar, his novel about climate change, is a comedy.
The thing that would have killed the book for me, I’m sure, is if I’d taken up any sort of moral position. I needed a get-out clause. And the get-out clause is, this is an investigation of human nature, with some of the latitude thrown in by comedy.
Knot theory could help spacecraft navigate crowded solar systems
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It can be difficult to figure out how to move a spacecraft from one orbit
to another, but a trick from knot theory can help find spots where shifting
orbit...
6 hours ago
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