[Haskell-cafe] Re: A few ideas about FRP and arbitrary access
john at repetae.net
Tue Mar 9 12:34:45 EST 2010
On Tue, Mar 09, 2010 at 05:23:56AM +0000, Aaron Denney wrote:
> On 2010-03-08, Brandon S. Allbery KF8NH <allbery at ece.cmu.edu> wrote:
> > There is a discrete time quantum. But unless you're doing simulations
> > at the quantum level, you really don't want to go there (even ignoring
> > that one second of real time would take a really long time to
> > calculate on current hardware :); stick to macrocosmic physics, which
> > is statistically continuous.
> That's ... contentious. In both quantum mechanics and GR, time is
> completely, flattly, continuous. In certain extremely speculative
> frameworks attempting to combine the regimes in which they are
> applicable, that may not be the case. But for accepted physics models,
> time really is continous.
Hmm.. I thought something interesting happened on the scale of the plank
time, 10^-44 seconds or so. Or is that only relevant to our ability to
_measure_ things at that scale and not the continuity of time itself as
far as QM is concerned?
John Meacham - ⑆repetae.net⑆john⑈ - http://notanumber.net/
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