Mike Bartlett's play Earthquakes in London, opens at the National tonight. It's about climate change. Bartlett tells the Financial Times that it's an 'either/or' subject, which of course it isn't:
It’s very difficult to find objective truth about climate change. Everyone has a reason to emphasise one thing or the other. Either it’s a huge catastrophe and it’s really going to hit within a hundred years. Or we’re fine. It could be either way.
Maybe the characters talk more sense.
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...
3 hours ago
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