With 12 days to go till 10,000 people - including this blogger - descend on Copenhagen (pic), there's a mass of background material appearing online.
The BBC has useful climate change pages with a dropdown glossary for anyone muddling 'CFC', 'CO2' and 'COP15'.
National Geographic has an excellent graphic that explains CO2 in terms of a carbon bathtub.
In its guide getting up to speed on the climate talks, Tcktcktck links to Grist's Copenhagen section and the Ecologist's Copenhagen in 60 seconds.
Knot theory could help spacecraft navigate crowded solar systems
-
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
No comments:
Post a Comment