A physicist goes off to a conference. After a week his suit’s gotten
soiled and crumpled, so he goes out to look for a dry cleaner. Walking
down the main street of town, he comes upon a store with a lot of signs
out front. One of them says “Dry Cleaning.” So he goes in with his dirty
suit and asks when he can come back to pick it up. The mathematician who
owns the shop replies, “I’m terribly sorry, but we don’t do dry
cleaning.” “What?” exclaims the puzzled physicist. “The sign outside
says ‘Dry Cleaning’!” “We do not do anything here,” replies the
mathematician. “We only sell signs!”
--- Alain Connes, in Changeux
On 10/1/2019 9:51 PM, Philip Thrift wrote:
On Tuesday, October 1, 2019 at 1:30:12 PM UTC-5, John Clark wrote:
How Many Universes Are There?
<https://www.youtube.com/watch?v=XglOw2_lozc>
John K Clark
Only one, at last count.
Scientists should not play with maths like children with matches.
Image
<https://twitter.com/philipthrift/status/1179088876058624000/photo/1>
·
@philipthrift
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