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Cuchulainn
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Re: Philosophy of Mathematics

May 10th, 2020, 12:37 pm

At 86, Gil Strang is still going strong.

www.youtube.com/watch?v=YrHlHbtiSM0
 
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Collector
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Re: Philosophy of Mathematics

May 16th, 2020, 5:29 pm

Any mathematics enthusiast here? or only spherical oxford heads that need to be boxed?
 
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Cuchulainn
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Re: Philosophy of Mathematics

May 16th, 2020, 7:28 pm

Any mathematics enthusiast here? or only spherical oxford heads that need to be boxed?
if the ancient Greeks couldn't solve it, why do you think Oxford can? 
Have you tried Imperial?
 
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Collector
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Re: Philosophy of Mathematics

May 16th, 2020, 8:48 pm

Any mathematics enthusiast here? or only spherical oxford heads that need to be boxed?
if the ancient Greeks couldn't solve it, why do you think Oxford can? 
Have you tried Imperial?
off course it is impossible to square the Imperial circle even for oxfordians!
 
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Alan
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Re: Philosophy of Mathematics

May 16th, 2020, 10:15 pm

A fun read. 

Related: take the same train in your article, and attach the unit circle as the wheels. Push the train along the track for 1/2 wheel revolution, marking the distance travelled on the track -- of course, [$]\pi[$]. Then follow this construction

Only needed: straightedge, compass, and train (forget Einstein). 

Well, you do need somebody strong enough to push a train. 
Another good illustration for you! :D
 
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Collector
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Re: Philosophy of Mathematics

May 17th, 2020, 2:05 pm

interesting, but since the wheels are affected by length contraction I am not sure this solution works, possibly at best a good approximation, but need to study it more carefully. It is Norwegian national day now so not allowed to work, need to look at it next week!
 
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Cuchulainn
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Re: Philosophy of Mathematics

May 17th, 2020, 4:54 pm

Throw off the Swedish yoke, what?
 
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bearish
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Re: Philosophy of Mathematics

May 17th, 2020, 10:09 pm

No, Norwegian history is confusing in that regard. Loosely speaking, the events celebrated on the 17th of May more or less align with Norway becoming subject to Swedish rule (from Danish, because Napoleon lost a war to the English — I said it was confusing!). But, in the process, a modern constitution was adopted, which is what is being celebrated. The extent to which the Swedish king respected the Norwegian constitution probably varied a bit over time, but the whole thing lasted for the 90-ish years of the “union”, and remained a foundational document when Norway regained independence in 1905.
 
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katastrofa
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Re: Philosophy of Mathematics

May 18th, 2020, 3:14 pm

Kudos to Collector for *not* writing that the Michelson-Morley proved that aether doesn't exist (majority of physicists make this stupid mistake).

I'm thinking that those two guys wouldn't find aether even if they wrapped them in a copper rod and discharged a  Leyden bottle in their noses (I don't think it would work, but it sounds funny). They knew Faraday's work, Maxwell put forward his theories of electromagnetism at the time and they watched closely Hertz's famous experiments confirming them. They basically witnessed the discovery of electro-magnetic field - but meh they wanted "aether".
 
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Collector
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Re: Philosophy of Mathematics

May 21st, 2020, 9:56 am

"(majority of physicists make this stupid mistake)" the Parrot mistake!
 
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Cuchulainn
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Re: Philosophy of Mathematics

May 21st, 2020, 2:15 pm

"(majority of physicists make this stupid mistake)" the Parrot mistake!
Were it that it remained at one.
 
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katastrofa
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Re: Philosophy of Mathematics

May 21st, 2020, 10:50 pm

Jepp, as the Latin proverb says, ab cenae opev id e nessi snot e viden ofap cense. Or something like that.Image
 
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Cuchulainn
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Re: Philosophy of Mathematics

May 23rd, 2020, 10:31 am

John Conway, the world's most charismatic mathematician, falls victim to Covid-19

www.youtube.com/watch?v=xOCe5HUObD4&lis ... dex=4&t=0s
 
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Cuchulainn
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Re: Philosophy of Mathematics

May 23rd, 2020, 7:59 pm

And the most charismatic (and clever ever) is

www.youtube.com/watch?v=vLbllFHBQM4

IMO the best American mathematician of the 20th century.
 
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bearish
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Re: Philosophy of Mathematics

May 23rd, 2020, 9:42 pm

Just to tidy things up: Conway held the John von Neumann professorship at Princeton. 
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