Grains of Sand recalls rock-climbing with Arne Naess (then in his 80s),
'I think I understood a little better a part of what this was about: absolute concentration and presence in the moment.'
New York Times piece here. Guardian obit here. Shorter but better obit in International Herald Tribune here. Yesterday's post has been expanded.
Gargantuan black hole may be a remnant from the dawn of the universe
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Astronomers were puzzled by a black hole around 50 million times the mass
of the sun with no stars, spotted by the James Webb Space Telescope – now
simulat...
4 hours ago



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