New paper out by Andrew E. Snyder-Beattie, me, Eric Drexler and @mbbonsall about how the timing of evolutionary transitions on Earth suggests intelligent life is rare: https://www.liebertpub.com/doi/full/10.1089/ast.2019.2149 There is life
#FridayPhysicsFun – Today I have been thinking about light sails. The propellantless, green way of getting from point A to B (often rather slowly). This is a *classic* idea. Kepler
"Don't mention the X!": the XKCD effect, naughty pictures, and information hazards - accidental "thinking loud" thread. TL;DR: what are the conditions for harmful ideas that act just through mention?
For me, the big story about #gpt3 is not that it is smart - it is dumb as a pile of rocks - but that piles of rocks can do
Friday physics fun: today is Midsummer Eve in Sweden. Midsummer proper is the summer solstice, when the Earth's axis is tilted most towards the sun in the northern hemisphere and
Friday physics fun: in 1778 Georges-Louis Leclerc, Comte de Buffon estimated that the Earth was 97,000 years old. He did it by heating metal spheres in his foundry and measuring