What molecular arrangment leads to transperency?
in [Relativity]
|
From: Immortalist on 23 Jul 2010 23:36 On Jul 23, 8:11 pm, Sam Wormley <sworml...(a)gmail.com> wrote: > On 7/23/10 9:18 PM, Immortalist wrote: > > > > > On Jul 23, 6:24 pm, Sam Wormley<sworml...(a)gmail.com>  wrote: > >> On 7/23/10 7:12 PM, Immortalist wrote: > > >>> So the light (electromagnetic radiation) that hits the glass is > >>> absorbed by electrons and retransmitted to the next mineral (glass > >>> molecule) and so on, till the light has propagated all the way through > >>> the glass? In this way the light is emitted from the other side of the > >>> glass, a sort of replacement light pattern. Some say that this is why > >>> looking through glasses eventually will harm your eyes because some > >>> frequencies don't make it through even they are not visible light. > > >>   Photon Energy > >>    E = hν > > >>    E_emitted ⤠E_absorbed > > >>    No increase in photon energy, therefore wearing glassed does NOT > >>    damage eyes due to increased energy. > > > I have heard that eye glasses filter out some uv and other frequencies > > which subtracts from full spectrum light. Are you sure that glass > > doesn't change the light? > >   Filtering UV won't harm your eyes. Furthermore blocking UV reduces >   the likelihood of cataracts. I think that the idea is that the frequencies filtered out subtract from full spectrum light. Its more than just uv.
From: Sam Wormley on 23 Jul 2010 23:41 On 7/23/10 10:36 PM, Immortalist wrote: > On Jul 23, 8:11 pm, Sam Wormley<sworml...(a)gmail.com> wrote: >> On 7/23/10 9:18 PM, Immortalist wrote: >> >> >> >>> On Jul 23, 6:24 pm, Sam Wormley<sworml...(a)gmail.com> wrote: >>>> On 7/23/10 7:12 PM, Immortalist wrote: >> >>>>> So the light (electromagnetic radiation) that hits the glass is >>>>> absorbed by electrons and retransmitted to the next mineral (glass >>>>> molecule) and so on, till the light has propagated all the way through >>>>> the glass? In this way the light is emitted from the other side of the >>>>> glass, a sort of replacement light pattern. Some say that this is why >>>>> looking through glasses eventually will harm your eyes because some >>>>> frequencies don't make it through even they are not visible light. >> >>>> Photon Energy >>>> E = hν >> >>>> E_emitted ≤ E_absorbed >> >>>> No increase in photon energy, therefore wearing glassed does NOT >>>> damage eyes due to increased energy. >> >>> I have heard that eye glasses filter out some uv and other frequencies >>> which subtracts from full spectrum light. Are you sure that glass >>> doesn't change the light? >> >> Filtering UV won't harm your eyes. Furthermore blocking UV reduces >> the likelihood of cataracts. > > I think that the idea is that the frequencies filtered out subtract > from full spectrum light. Its more than just uv. Methinks you should do some research and find out!
From: Immortalist on 24 Jul 2010 00:13 On Jul 23, 8:41 pm, Sam Wormley <sworml...(a)gmail.com> wrote: > On 7/23/10 10:36 PM, Immortalist wrote: > > > > > On Jul 23, 8:11 pm, Sam Wormley<sworml...(a)gmail.com>  wrote: > >> On 7/23/10 9:18 PM, Immortalist wrote: > > >>> On Jul 23, 6:24 pm, Sam Wormley<sworml...(a)gmail.com>   wrote: > >>>> On 7/23/10 7:12 PM, Immortalist wrote: > > >>>>> So the light (electromagnetic radiation) that hits the glass is > >>>>> absorbed by electrons and retransmitted to the next mineral (glass > >>>>> molecule) and so on, till the light has propagated all the way through > >>>>> the glass? In this way the light is emitted from the other side of the > >>>>> glass, a sort of replacement light pattern. Some say that this is why > >>>>> looking through glasses eventually will harm your eyes because some > >>>>> frequencies don't make it through even they are not visible light. > > >>>>    Photon Energy > >>>>     E = hν > > >>>>     E_emitted ⤠E_absorbed > > >>>>     No increase in photon energy, therefore wearing glassed does NOT > >>>>     damage eyes due to increased energy. > > >>> I have heard that eye glasses filter out some uv and other frequencies > >>> which subtracts from full spectrum light. Are you sure that glass > >>> doesn't change the light? > > >>   Filtering UV won't harm your eyes. Furthermore blocking UV reduces > >>   the likelihood of cataracts. > > > I think that the idea is that the frequencies filtered out subtract > > from full spectrum light. Its more than just uv. > >   Methinks you should do some research and find out! True I am referring to a pretty old memory but just poking around for a moment I found this; Early in his research career, Dr. Ott fell and broke his glasses; soon, his arthritis disappeared. And in 1996, Marion Patricia Connolly, executive director of Price-Pottenger Nutrition Foundation (PPNF), had much the same experience. Full-spectrum eyeglasses, i.e., lenses that transmit all ultraviolet light, are difficult to find. I take off my glasses outdoors whenever I can. http://findarticles.com/p/articles/mi_m0ISW/is_246/ai_112728015/pg_6/ There has never been any research showing health benefits of blocking UV light to the eyes. However, it is now impossible to buy eyeglasses that allow full-spectrum light. All of the lenses made in the last ten years for eyeglasses are made to block UV light, even plastic lenses, which if untreated, would allow full-spectrum light. However, full- spectrum light to the eyes is necessary for proper functioning of ovaries, testes and thyroid, according to Hollwich and the research he summarizes. http://www.recipenet.org/health/articles/why_light_matters.htm Neither of those cites make my case though. The question needs answering of whether any electromagnetic radiation frequencies are filter or not by most kinds of glass.
From: Sam Wormley on 24 Jul 2010 00:29 On 7/23/10 11:13 PM, Immortalist wrote: > Early in his research career, Dr. Ott fell and broke his glasses; > soon, his arthritis disappeared. And in 1996, Marion Patricia > Connolly, executive director of Price-Pottenger Nutrition Foundation > (PPNF), had much the same experience. Full-spectrum eyeglasses, i.e., > lenses that transmit all ultraviolet light, are difficult to find. I > take off my glasses outdoors whenever I can. A Field Guide to Critical Thinking http://www.csicop.org/si/show/field_guide_to_critical_thinking/ http://www.csicop.org/si/9012/critical-thinking.html About the Author James Lett is a Professor of Anthropology, Department of Social Sciences, Indian River Community College, 3209 Virginia Avenue, Ft. Pierce, FL 34981. He is author of The Human Enterprise: A Critical Introduction to Anthropologcal Theory and Science, Reason, and Anthropology: The Principles of Rational Inquiry (1997, Rowman and Littlefield Publishers). He can be reached by e-mail at the following address: jl...(a)ircc.cc.fl.us
From: Brad Guth on 24 Jul 2010 00:44
On Jul 23, 7:21 pm, Immortalist <reanimater_2...(a)yahoo.com> wrote: > On Jul 23, 3:32 pm, Brad Guth <bradg...(a)gmail.com> wrote: > > > > > On Jul 23, 2:46 pm, bert <herbertglazie...(a)msn.com> wrote: > > > > On Jul 20, 12:08 pm, Sanny <softtank...(a)hotmail.com> wrote: > > > > > We see glass is transparent. > > > > > When light touches a surface it gets absorbed and reflected. > > > > > But in case of glass the light goes inside it and comes out from other > > > > end. > > > > > Earlier I made a guess the number of molecules in glass blocking the > > > > light will be less. > > > > > But then I found some 1 feet thick glass are transparent. > > > > > While even a 1mm thick aluminium plate do not allow to pass the light. > > > > > So number of molecules stopping light do not effect whether a > > > > substance is transparent or not. > > > > > I think its the arrangment of molecules that descide wether the > > > > substance is transparent or not. > > > > > Does Glass molecule acts like a spring? and Just like a Spring allows > > > > waves to travel through it. Glass allows light wave to pass. > > > > > What type of arrangment of molecules lead to transparency? > > > > > Bye > > > > Sanny > > > > > Chat with Physics Professor:http://www.getclub.com/chat_with/?key=Physics > > > > Glass is not 100% transparent. If it was it would be invisable Reason > > > it has some reflection.(glare) Want to get rid of glarry glass but a > > > thin film of oil on its surface.(oily soap) A very clever lady Ms Day > > > told me this TreBert > > > ZBLAND glass seems best, offering as good as .01 DB loss per km. > > http://en.wikipedia.org/wiki/File:Zblan_transmit.jpg > > > Too bad photons are so slow, and a whole lot slower yet within glass.. > > I think they travel at the speed of light but the time it takes to > absorb them and then re-transmit them takes time and makes the > resulting measurement seem slower than the speed of light. > > > ~ BG Perhaps photons are actually much faster than 'c'. Each and every atom performs as a photon node matrix, but how does the atom matrix know this FIFO or delayed FIFO (DFIFO) node thing? ~ BG |