(urth) Short Story 71: Silhouette

[Dan'l Danehy-Oakes]

Paul - you are, of course, correct about "quantized." My bad. And the rest
is well said.


On Tue, Jul 29, 2014 at 1:47 PM, Paul Zinn-Justin <pzinnjustin at gmail.com>
wrote:

>
>
>
> On Tue, Jul 29, 2014 at 10:03 PM, Dan'l Danehy-Oakes <danldo at gmail.com>
> wrote:
>
>> "Do time quanta exist?"
>>
>> Whether spacetime is quantified is a gritty problem. Superstring theory
>> seems to say yes, but superstring theory is, shall we say, far from proven.
>>
>> I think the word you're looking for is "quantized". according to quantum
> mechanics, everything should be quantized, but the theory that describes
> spacetime on all scales (Einstein's theory of general relativity) doesn't
> get along very well with quantum mechanics, hence various speculative
> theories (such as superstrings) to reconcile them. It doesn't mean that the
> geometry of spacetime should be thought of as discrete in nature (as
> opposite to continuous), but rather that its geometry at short distances
> becomes a bit fuzzy, essentially quantum in nature.
> that being said, I haven't read the short story, so I'll stop my
> digression here.
>
>
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-- 
Dan'l Danehy-Oakes
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