Bad news for the Green Party's sense of identity: many Asian languages have no word to distinguish blue from green. Which also means that:
Muddy Waters played the greens. Children have to eat their blues. Adults movies are green movies. I write a 'going blue' column.
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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