Exponential growth curves in technology

Great essay by Kevin Kelly mirroring work in Kurzweil’s The Singularity is Near. The insights that I hadn’t seen before were that  exponential growth curves could be seen as being the summation of multiple traditional S-curves over time, and that the...

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.