This just in: "Gravity's Rainbow" not just for English majors anymore

[David Morris]

Define "exist."

On Sunday, February 1, 2015, Mark Wright <washoepete at gmail.com> wrote:

> http://phys.org/news/2015-01-black-holes-space-theory.html
>
> In a new paper, physicists Ahmed Farag Ali, Mir Faizal, and Barun Majunder
> have shown that, according to a new generalization of Einstein's theory
> <http://phys.org/tags/theory/> of gravity <http://phys.org/tags/gravity/> called
> "gravity's rainbow," it is not possible to define the position of the event
> horizon <http://phys.org/tags/event+horizon/> with arbitrary precision.
> If the event horizon can't be defined, then the black hole itself
> effectively does not exist.
>
> "In gravity's rainbow, space <http://phys.org/tags/space/> does not exist
> below a certain minimum length, and time does not exist below a certain
> minimum time interval," Ali, a physicist at the Zewail City of Science and
> Technology and Benha University, both in Egypt, told *Phys.org*. "So, all
> objects existing in space and occurring at a time do not exist below that
> length and time interval [which are associated with the Planck scale]. As
> the event horizon is a place in space which exists at a point in time, it
> also does not exist below that scale."
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://waste.org/pipermail/pynchon-l/attachments/20150201/0a599e9c/attachment.html>