Bouncy globe

Nice guesstimated video of what’s happened to the continents in the past and the future. Funny how spread out we are compared to most other times. Is that an anthropmorphic thing? NB Link now...

Solar eclipse

I saw one from a plane once. It was extraordinary. Still is even in pictures.

Moon day

Man stepped on the moon today in 1969. Back then, New Scientist said “it is really a matter of no greater moment than just peering into the high recesses of a trapeze act in the Big Top at a circus”. They have chanced their minds now.And I think this...

Project Tuva

Good to have a good chunk of the Feynman lectures on physics online: I read a book version of the lectures at the tender age of 16 and they were what kept me going through the slightly dull physics course we had at school. I was talking about this with my mum...

Should vaccines be compulsory?

I think I agree with Black Triangle that they probably shouldn’t, but with an active opt-out rather than an opt-in to ensure as much coverage as possible.