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Collaborating with Aliens

Collaborating with Aliens

I’ve been kicking around an idea for a paper for a couple of years. Every so often Stephen Hawking will announce that contact with an extra-terrestrial civilisation would be a Very Bad Thing. Therefore silence, or as close to it as possible is a good idea....
Thony Christie on Hevelius

Thony Christie on Hevelius

If you have any interest in the history of astronomy you should be following The Renaissance Mathematicus blog and this post, The last great naked eye astronomer, is a perfect example of why. This is a post about Johannes Hevelius who has to be one of the most famous...