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"Advent calendar #8: Einstein's old envelopes"

8 Comments -

1 – 8 of 8
Blogger Georg said...

Ah,
thats where that "back of the envelope
calculations" originate from!
But it does not explain what physicits do on front side of envelopes. :=(
Georg

4:52 AM, December 08, 2011

Blogger Phillip Helbig said...

Not sure if it was Mt. Wilson or (I think) Mt. Palomar. Einstein said: "If I make a mistake on a piece of paper, I throw it away, zo. If you make a mistake in steel...."

7:16 AM, December 08, 2011

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7:32 AM, December 08, 2011

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7:39 AM, December 08, 2011

Blogger Phil Warnell said...

Hi Bee,

Yet they didn’t mention Mrs. Hubble’s reply being, “However my husband's method serves as a constant reminder that envelops are sometimes not good enough and need to be pushed.” ;-)

Best,

Phil

P.S. Sometimes I need a few cracks at it:-)

7:42 AM, December 08, 2011

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2:07 PM, December 08, 2011

Blogger Uncle Al said...

Official Truth says General Relativity cannot be more than an effective field theory. Offered in counterpoint are ineffective field theories.

Given cartography, the Shroud of Turin must be a miracle. A kitchen oven can produce Shrouds of Turin at will. Let's have less Kirche and more Küche. GR says opposite shoes obey the Equivalence Principle. Fern-Parallelismus and Einstein-Cartan-Sciama-Kibble say they do not. Experiment is theory's waste disposal unit. Somebody should look.

2:11 PM, December 08, 2011

Blogger Professor R said...

Tnx Bee!
I haven't managed to find the source of this well-known story, though I suspect its Baneesh Hoffman
Cormac

4:25 PM, December 08, 2011

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