We spend one week on this "Light is my business" discussion. We are prety
happy to see thta there are many contributions from the whole planet.
Tocelebrate this first week i would like to share this short film about
our, may be, most important source of light: the sun. The film is made by
the Goddard Space Flight Center, from NASA. I guess that this extremly
beautiful images, are science, are data traveling from the sun in kind of
infrared, visible or UV waves, translated may be to some radio waves, or
carried by 1,55 microns light throught fiber optics up to our computers.
Really, i do not exactly all this amazing route of light from Sun up to our
eyes. But i know that it is fascinating. Is science, i´m sure. But is art,
i´m sure too. This kinds of fascinations pull us to the adventures. And,
for sure, to share our emmotions. May be this is the reason because music
is so important.
https://www.youtube.com/watch?v=GSVv40M2aks#t=79
So, let´s continuous with our discussion. Next week i will like to present
more science topics about light from nano world. I would like to present
plasmons, and polaritons (even plasmon polaritons!!) and with the help of
an open acces Nature Communication paper, we will see that quantum
mechanics properties of light (wave and particle like behaviours), could be
measured by single experiments, pictured and captured by electrons, forming
new exciting images !!, Next week ;-)
Guillermo.
2015-04-02 8:07 GMT+02:00 Avi Rosen <avi@ee.technion.ac.il>:
> On April 27, 1992, the sculptor Ezra Orion directed the performance Super
> Cathedral I, aiming laser beams perpendicularly and simultaneously around
> the world up to the sky and the infinity of the universe. This action is
> the final detachment of sculpture from the physicality that had governed it
> since prehistory, towards immense energy fields, at the speed of light. The
> laser beams left the solar system in five hours; today they are 23 light
> years from Earth. The laser beams join the cathedral of radio waves
> broadcast from Earth, and their height is around 90 light years. Orion
> proposed a continuation of this project, to be called Super Cathedral 4,
> aiming for a unique interstellar cosmic arrangement. According to the laws
> of Riemann's non-Euclidian geometry, eventually the laser beam will execute
> a Moebius-strip-like loop in space, and return to its origin: the artist's
> body and consciousness. The transmitted galactic laser beam loop creates
> compression of space and time of Schwarzschild's cube model, while uniting
> between space-time, subject, and object.
> http://www.orbit.zkm.de/?q=node/108
>
> AVI
>
> -----Original Message-----
> From: yasmin_discussions-bounces@estia.media.uoa.gr [mailto:
> yasmin_discussions-bounces@estia.media.uoa.gr] On Behalf Of Liliane Lijn
> Sent: Wednesday, April 01, 2015 11:37 PM
> To: YASMIN DISCUSSIONS
> Subject: Re: [Yasmin_discussions] Announcing YASMIN discussion on LIGHT
>
> Hi Stephen
>
> Your questions are fascinating. Have you had any answers to them?
>
> David Bohm wrote that light contained all information. He also wrote that
> matter was 'frozen light'. If he is right, then does matter also contain
> all information? When 'frozen' will that information degrade?
>
> I would be very interested to learn more about this.
>
> Many thanks.
>
> Liliane
> Liliane Lijn
> +39 075-782-4357
> 3381694382
> www.lilianelijn.com
>
>
> > On 30 Mar 2015, at 17:10, Stephen Nowlin <stephen.nowlin@artcenter.edu>
> wrote:
> >
> >
> > Hello, Guillermo and Roger -- this should be a fascinating topic.
> >
> > I have a question about how much information is contained in light
> traveling through space. From my house in Southern California I look
> straight up to Mount Wilson, where Edwin Hubble confirmed an expanding
> universe by measuring the redshift in light traveling from distant
> galaxies. Early telescope optics had shown other galaxies as fuzzy clouds
> of light, and thus by virtue of our inability to fully parse the
> information contained therein, our perception of the universe was
> incomplete and conclusions drawn were distorted. The difference between
> those early fuzz clouds and current images of galaxies from powerful land
> and space-based telescopes is stunning -- the light reaching us is the
> same, but our technology for parsing the information contained within that
> light advanced during the last century.
> >
> > So, my question is: How much information travels in light? How much
> potentially MORE information travels in light than can we can currently
> decipher, should we be able to develop the technologies to see it?
> >
> > It is clear, for example, that light bouncing off the Earth can yield
> amazing detail as seen from close-by orbiting telescopes -- just look at
> Google Map's satellite view. And from the Hubble Telescope we can see a lot
> of information reflected off the surface of Mars, which is of course much
> further away -- so could some astronomer on another planet at the other
> side of the galaxy, using light-analyzing technologies we perhaps can't
> even imagine, theoretically be able to see Mars at the same or even better
> resolution? Given the physics of light, whether reflected or originated by
> a body in space, will all the information contained therein travel intact
> to very far away places? Could we someday observe stars in distant galaxies
> at the same resolution we currently observe our Sun? My question is not
> whether it is feasible to invent such sophisticated observation
> technologies -- but rather would the physics of light traveling through
> space allow close-up detail from very far aw!
> > ay -- would the information be preserved in the light and be awaiting
> detection, should such technologies be invented?
> >
> > /stephen
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