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The ultimate Question of the Day ... just what IS Infinity, anyway?
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Feb 16, 2018 22:43:44   #
TonyBot
 
djmills wrote:
I'm amazed I remember anything from high school, but that definition stuck with me. Another: infinity is when Pi comes out to an even (or final) number. No luck on that yet.


DJ - I don't remember a lot from high school either, (except that my Junior year was the best four years I ever had) but I also like the Pi definition. By the way, I heard that *they* - whoever *they* are - just ran Pi out to some god-awful bazillion numbers to the n-th power and still did not find a conclusion to the number. Probably ruined a good computer trying to find the answer.

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Feb 16, 2018 22:45:44   #
Bridges Loc: Memphis, Charleston SC, now Nazareth PA
 
Chris T wrote:
This one's as likely to have as many different answers, as there are - interpretations ....


An automobile!

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Feb 17, 2018 01:49:54   #
Chris T Loc: from England across the pond to New England
 
Bridges wrote:
An automobile!


Oh, right, Bridges ... here we are - six pages after the initiation of this one ... and finally - you cite the Nissan Luxury Car!

I saw it coming, too ... just surprised it took so long to get here ...

But, then - when it started out - two days ago ... it was in Main Photography Discussions ....

Now, it's been moved to - General Chit-Chat ... for whatever reasons ... I guess it's more ripe for cracks of this sort ...

Thanks for your input ... may the tides and misfortunes of that great Auto company - come and bite you in the ass ....

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Feb 17, 2018 01:54:28   #
Chris T Loc: from England across the pond to New England
 
djmills wrote:
I'm amazed I remember anything from high school, but that definition stuck with me. Another: infinity is when Pi comes out to an even (or final) number. No luck on that yet.


π can never EVER come out to be an even number, DJ ... no matter how many computers you go through trying to make that happen ....

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Feb 17, 2018 01:59:13   #
Chris T Loc: from England across the pond to New England
 
TonyBot wrote:
DJ - I don't remember a lot from high school either, (except that my Junior year was the best four years I ever had) but I also like the Pi definition. By the way, I heard that *they* - whoever *they* are - just ran Pi out to some god-awful bazillion numbers to the n-th power and still did not find a conclusion to the number. Probably ruined a good computer trying to find the answer.


Tony ... you had to do over your Junior Year three times, huh?

Sounds vaguely familiar .... Chemistry and Calculus were never my strong suits either ....

Oh, btw, Tony .... π can never EVER come out to be an even number ... no matter how many computers you go through trying to make that happen ....

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Feb 17, 2018 02:00:39   #
RolandDieter
 
If Pi is infinite, wouldn't the circumferences and diameters of any circle, regardless how large or small the circle, be infinite?

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Feb 17, 2018 02:09:55   #
Chris T Loc: from England across the pond to New England
 
RolandDieter wrote:
If Pi is infinite, wouldn't the circumferences and diameters of any circle, regardless how large or small the circle, be infinite?


Roland .... I fail to see what the ratio of the circumference to the diameter of a circle has to do with the size of any given circle ....

π IS infinite .... but a circle's size can be given as a number, or it can be cited in reference to an existent object ... i.e. a quarter, a watch battery ... a 16" tyre, etc.

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Feb 17, 2018 12:15:23   #
John_F Loc: Minneapolis, MN
 
Regardless of how pi comes out, it has better be Dutch Apple.

djmills wrote:
I'm amazed I remember anything from high school, but that definition stuck with me. Another: infinity is when Pi comes out to an even (or final) number. No luck on that yet.

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Feb 17, 2018 13:14:31   #
Chris T Loc: from England across the pond to New England
 
John_F wrote:
Regardless of how pi comes out, it has better be Dutch Apple.


Now, just after I got used to you citing formulas from an Algebra or Geometry book ... now you come at me with a comment about Dutch Apple Pi ....

Can't win with you, John ... can I?

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Feb 17, 2018 17:04:49   #
bellgamin Loc: Ewa Beach, Hawaii
 
John_F wrote:
One of Einstein's concepts was that space is curved and that had something to do with gravitational waves. ... ... Should I hold my breath so they won't focus on my noggin.
No, just wear an aluminum foil helmet like the rest of us Klingons. 😈

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Feb 17, 2018 18:13:24   #
Chris T Loc: from England across the pond to New England
 
TonyBot wrote:
Chris - doppleganger is a very good way of describing the effect of "lensing" and the effect it has.

DJ - I like that "where parallel lines meet" explanation!

John - Spacetime IS curved, and affected by gravitation. Since gravitational waves have only just been actually detected, we non-physicists can only guess. You may have seen the "ball weighing down a trampoline" graphic. That puts a two-, or perhaps a three-, dimensional perspective on it. While not totally accurate, it is what 99.9999999% of us can understand. (Now, I am stretching my limited knowledge and perhaps accuracy in the following statement: It is commonly believed by those - especially those few who truly understand quantum mechanics - the *idea* of there actually being *ten* dimensions out there - the three we see, plus time, and six [maybe seven, perhaps a greater number] more.) My wife says I can't even tell what time it is, so I certainly don't fall into that group!

Whew! I am certainly not a physics major, but John is right in wearing a hat for protection. I know, I do!
Chris - doppleganger is a very good way of describ... (show quote)


Tony ... I have enough of a time dealing with three dimensions ... now, you're telling me to accept ten .... !!!!

If all time is curved, then, at some point, we'll be retracing our own steps - no?

It can get pretty complicated - this stuff - huh, Tony?

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Feb 23, 2018 03:51:21   #
bellgamin Loc: Ewa Beach, Hawaii
 
Pi in binary= 11.00100100001111 sooo lovely!

Pi can be finite in a non-euclian, n-dimensional subspace. It is also where parallel lines meet and Al Gore finally gets to be President. And I finally master differential calculus.

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Feb 23, 2018 09:21:03   #
Chris T Loc: from England across the pond to New England
 
bellgamin wrote:
Pi in binary= 11.00100100001111 sooo lovely!

Pi can be finite in a non-euclian, n-dimensional subspace. It is also where parallel lines meet and Al Gore finally gets to be President. And I finally master differential calculus.


I do have to admit, Bell ... I have a lotta trouble understanding how parallel lines meet, but, I have even greater trouble understanding how Al Gore gets to be Pres!

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