90% at 400 nm, and R>80% for most of the visible. rev 2020.11.24.38066, The best answers are voted up and rise to the top, Physics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Think of a dewar. Does less shiny and more shiny actually make a difference? Again an air gap will help keeping the heat in the room instead of heating the wall and radiating energy out. Flow cells that contain Is it only on the windows? Thanks. Will dig out confirmation. Do other planets and moons share Earth’s mineral diversity? If yes, then where does unreflected light go in case of less shiny aluminum foil? Why is it easier to carry a person while spinning than not spinning? For example I use aluminum foil behind a wood stove to reflect the heat to the room instead of heating the wall. @fffred The day time temperature here is 43 degree Celcius. While many believe that the different properties keep heat out when wrapped with the shiny finish facing out, and keep heat in with the shiny finish facing inwards, the actual difference is imperceptible without instrumentation. In a multiwire branch circuit, can the two hots be connected to the same phase? It reflects light. "There are two common urban myths about fluorescent lighting and UV exposure. As I said air is a good insulator.If you stretch simple foil across the frame then there will be air in between glass and foil. Now, to the "why" question. This can slightly reduce the above values, or restrict the coating to UV / Visible use. But, always be careful when playing with such things because, any sort of harmful radiation (if any- what about a heater or even an electric iron?) The shiny side is produced when the aluminium is rolled during the final pass. Why can we see the dust particles in a narrow beam of light (and not in an all lighted area)? Please elaborate on where and how the foil is being placed. The unreflected light (as you say) can go anywhere. It depends where the aluminum foil is situated. 0 Members and 1 Guest are viewing this topic. As a physics parameter, we use reflectivity to address the shininess. Though the surface is shinny, I thought of covering the ceiling of the box with aluminium foil to reflect more of the light from the UV tube. šåå°„材用アルミニウム箔の製造方法。, Aluminum foil for ultraviolet reflector and method for producing the same, Aluminum foil for ultraviolet reflecting material and method for producing same, Aluminum foil for ultraviolet reflective material and manufacturing method thereof, Aluminum foil for container and production method therefor, Aluminum foil for visible-light-reflecting material and method for producing said foil, Aluminum material excellent in brightness and its production, Optical element for reflection of UV radiation, manufacturing method therefor and projection exposure apparatus therewith, Cover glass manufacturing method and cover glass, Glass article having antireflection layer and method for producing the same, Optical element and manufacture method thereof, Reflector and manufacturing method thereof, Anti-fog transparent articles, fabrics which form a high hardness hydrophilic inorganic layer, and methods of making a low fog lens, Ordered Co 3 O 4 hierarchical nanorod arrays: tunable superhydrophilicity without UV irradiation and transition to superhydrophobicity, Composites with hydrophilic photocatalytic surfaces, Stainless steel plate and manufacturing method thereof, Glass having antiglare surface with low display sparkle, With part seen in island-like coatings, related manufacturing method and device containing the same, Antireflection film and image display device, Optical transparent member and optical system using the same, Aluminum base die material for stamper, aluminum base die for stamper and stamper, Coated metal material and method of production of same, Method for producing mold and method for producing anti-reflection film using mold, Mold, mold manufacturing method, and antireflection film manufacturing method, Anodized aluminum alloy products having improved appearance and/or abrasion resistance, and methods of making the same, Method for producing composition for vapor deposition, composition for vapor deposition, and method for producing optical element with antireflection film, Aluminium brazing sheet with a high strength and excellent corrosion performance, A multifunctional nanoporous layer created on glass through a simple alkali corrosion process, Ion beam treatment method for producing superhydrophilic glass materials, Aluminum product excellent in corrosion resistance and method for producing the same, Wipo information: entry into national phase, Ep: the epo has been informed by wipo that ep was designated in this application, Ep: pct application non-entry in european phase. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. John Von Neumann. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You can see from Crazy Buddy's answer that the more mirror like the surface the less is absorbed by the foil. How to consider rude(?) What is Time? Is the whole room coated in foil? I believe Aluminium is highly reflective in the UV band. Air is a bad conductor of heat. If you see me running, try to keep up.". As you may be aware, I have a couple of tortoises. If your room is hotter than 43 C because of direct sunlight, then you might get it closer to 43 C, but I would suggest you simply open the windows ... One more question: In order to keep whole room cool will it help if I stick the foil to the outside of wooden door too? If you want a whole room to be kept cool you could mimic this. How do we get to know the total mass of an atmosphere? Why `bm` uparrow gives extra white space while `bm` downarrow does not? The first myth says that fluorescent lighting generates hazardous amounts of UV rays, rivaling direct outdoor sun exposure. Why do we need to light the rocket fuel for a rocket to take off? What is the best way to remove 100% of a software that is not yet installed? Provided is an aluminum foil for ultraviolet light reflecting materials, which has a reflectance higher than those of conventional aluminum foils by 85% or more with respect to ultraviolet light in a wavelength range of 250 nm to 400 nm and by 80% or more with respect to deep ultraviolet light in a wavelength range of 254 nm to 265 nm. Usage of "Salutation" vs "Form-of-Address". Why Is an Inhomogenous Magnetic Field Used in the Stern Gerlach Experiment? Should we leave technical astronomy questions to Astronomy SE? Information presented on this website is the opinion of the individual contributors and does not reflect the general views of the administrators, editors, moderators, sponsors, Cambridge University or the public at large. Aluminum—sputtered on glass 80% Aluminum foil 73% Stainless steel (various formulas) 20 – 28% A common material used in commercial UV disinfection systems is stainless steel. The reason is that the metallic surface gets heated by the non reflected energy and radiates +transfers by contact. Wireless Microphone Price Philippines, Oracle Definition Bible, Feed In Arabic, Problem Solving Questions For Kids, Ac Odyssey Crit Chance Spear, Stanford's Happy Hour Menu, Ronald Dworkin Quotes, How Much Is The Fashion Industry Worth 2020, University Of Missouri Journalism Degree, Tartufo Ice Cream Where To Buy, Vienna Sausage Ingredients Label, Singer 7285q Error Codes, Holiday Inn Ocean City, Md Restaurant, Jamie Oliver Salad Dressing Green Goddess, Gotoh 510 Tremolo Vs Floyd Rose, Grilled Chicken Strips Recipe, What Was Nailed To The Cross In Colossians 2, Mizzou Journalism Ranking, Store Bought Peanut Butter Sandwich Cookies, Ramadan 2019 In Japan, Johnsonville Smoked Brats Calories, John 17:9-19 Commentary, Chicken Stroganoff Slimming World, Lithium Chloride Hygroscopic, Sathi Movies All Song, Vidyut Bhawan Phone Number, Psalm 27:13 Esv, Lehman College Notable Alumni, " /> 90% at 400 nm, and R>80% for most of the visible. rev 2020.11.24.38066, The best answers are voted up and rise to the top, Physics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Think of a dewar. Does less shiny and more shiny actually make a difference? Again an air gap will help keeping the heat in the room instead of heating the wall and radiating energy out. Flow cells that contain Is it only on the windows? Thanks. Will dig out confirmation. Do other planets and moons share Earth’s mineral diversity? If yes, then where does unreflected light go in case of less shiny aluminum foil? Why is it easier to carry a person while spinning than not spinning? For example I use aluminum foil behind a wood stove to reflect the heat to the room instead of heating the wall. @fffred The day time temperature here is 43 degree Celcius. While many believe that the different properties keep heat out when wrapped with the shiny finish facing out, and keep heat in with the shiny finish facing inwards, the actual difference is imperceptible without instrumentation. In a multiwire branch circuit, can the two hots be connected to the same phase? It reflects light. "There are two common urban myths about fluorescent lighting and UV exposure. As I said air is a good insulator.If you stretch simple foil across the frame then there will be air in between glass and foil. Now, to the "why" question. This can slightly reduce the above values, or restrict the coating to UV / Visible use. But, always be careful when playing with such things because, any sort of harmful radiation (if any- what about a heater or even an electric iron?) The shiny side is produced when the aluminium is rolled during the final pass. Why can we see the dust particles in a narrow beam of light (and not in an all lighted area)? Please elaborate on where and how the foil is being placed. The unreflected light (as you say) can go anywhere. It depends where the aluminum foil is situated. 0 Members and 1 Guest are viewing this topic. As a physics parameter, we use reflectivity to address the shininess. Though the surface is shinny, I thought of covering the ceiling of the box with aluminium foil to reflect more of the light from the UV tube. šåå°„材用アルミニウム箔の製造方法。, Aluminum foil for ultraviolet reflector and method for producing the same, Aluminum foil for ultraviolet reflecting material and method for producing same, Aluminum foil for ultraviolet reflective material and manufacturing method thereof, Aluminum foil for container and production method therefor, Aluminum foil for visible-light-reflecting material and method for producing said foil, Aluminum material excellent in brightness and its production, Optical element for reflection of UV radiation, manufacturing method therefor and projection exposure apparatus therewith, Cover glass manufacturing method and cover glass, Glass article having antireflection layer and method for producing the same, Optical element and manufacture method thereof, Reflector and manufacturing method thereof, Anti-fog transparent articles, fabrics which form a high hardness hydrophilic inorganic layer, and methods of making a low fog lens, Ordered Co 3 O 4 hierarchical nanorod arrays: tunable superhydrophilicity without UV irradiation and transition to superhydrophobicity, Composites with hydrophilic photocatalytic surfaces, Stainless steel plate and manufacturing method thereof, Glass having antiglare surface with low display sparkle, With part seen in island-like coatings, related manufacturing method and device containing the same, Antireflection film and image display device, Optical transparent member and optical system using the same, Aluminum base die material for stamper, aluminum base die for stamper and stamper, Coated metal material and method of production of same, Method for producing mold and method for producing anti-reflection film using mold, Mold, mold manufacturing method, and antireflection film manufacturing method, Anodized aluminum alloy products having improved appearance and/or abrasion resistance, and methods of making the same, Method for producing composition for vapor deposition, composition for vapor deposition, and method for producing optical element with antireflection film, Aluminium brazing sheet with a high strength and excellent corrosion performance, A multifunctional nanoporous layer created on glass through a simple alkali corrosion process, Ion beam treatment method for producing superhydrophilic glass materials, Aluminum product excellent in corrosion resistance and method for producing the same, Wipo information: entry into national phase, Ep: the epo has been informed by wipo that ep was designated in this application, Ep: pct application non-entry in european phase. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. John Von Neumann. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You can see from Crazy Buddy's answer that the more mirror like the surface the less is absorbed by the foil. How to consider rude(?) What is Time? Is the whole room coated in foil? I believe Aluminium is highly reflective in the UV band. Air is a bad conductor of heat. If you see me running, try to keep up.". As you may be aware, I have a couple of tortoises. If your room is hotter than 43 C because of direct sunlight, then you might get it closer to 43 C, but I would suggest you simply open the windows ... One more question: In order to keep whole room cool will it help if I stick the foil to the outside of wooden door too? If you want a whole room to be kept cool you could mimic this. How do we get to know the total mass of an atmosphere? Why `bm` uparrow gives extra white space while `bm` downarrow does not? The first myth says that fluorescent lighting generates hazardous amounts of UV rays, rivaling direct outdoor sun exposure. Why do we need to light the rocket fuel for a rocket to take off? What is the best way to remove 100% of a software that is not yet installed? Provided is an aluminum foil for ultraviolet light reflecting materials, which has a reflectance higher than those of conventional aluminum foils by 85% or more with respect to ultraviolet light in a wavelength range of 250 nm to 400 nm and by 80% or more with respect to deep ultraviolet light in a wavelength range of 254 nm to 265 nm. Usage of "Salutation" vs "Form-of-Address". Why Is an Inhomogenous Magnetic Field Used in the Stern Gerlach Experiment? Should we leave technical astronomy questions to Astronomy SE? Information presented on this website is the opinion of the individual contributors and does not reflect the general views of the administrators, editors, moderators, sponsors, Cambridge University or the public at large. Aluminum—sputtered on glass 80% Aluminum foil 73% Stainless steel (various formulas) 20 – 28% A common material used in commercial UV disinfection systems is stainless steel. The reason is that the metallic surface gets heated by the non reflected energy and radiates +transfers by contact. Wireless Microphone Price Philippines, Oracle Definition Bible, Feed In Arabic, Problem Solving Questions For Kids, Ac Odyssey Crit Chance Spear, Stanford's Happy Hour Menu, Ronald Dworkin Quotes, How Much Is The Fashion Industry Worth 2020, University Of Missouri Journalism Degree, Tartufo Ice Cream Where To Buy, Vienna Sausage Ingredients Label, Singer 7285q Error Codes, Holiday Inn Ocean City, Md Restaurant, Jamie Oliver Salad Dressing Green Goddess, Gotoh 510 Tremolo Vs Floyd Rose, Grilled Chicken Strips Recipe, What Was Nailed To The Cross In Colossians 2, Mizzou Journalism Ranking, Store Bought Peanut Butter Sandwich Cookies, Ramadan 2019 In Japan, Johnsonville Smoked Brats Calories, John 17:9-19 Commentary, Chicken Stroganoff Slimming World, Lithium Chloride Hygroscopic, Sathi Movies All Song, Vidyut Bhawan Phone Number, Psalm 27:13 Esv, Lehman College Notable Alumni, " />
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First, is the type of UV you are using affective? It's only going to prevent direct sunlight to heat up the room. First, there's no perfect reflector nor absorber. A protective layer of MgF2 or SiO2 is needed. Actually I do NOT want the room to get heated at all. It reflects light. But, in reality (where we can't expect idealistic things), there will always be some radiation inside. It is difficult to produce rollers with a gap fine enough to cope with the foil gauge, therefore, for the final pass, two sheets are rolled at the same time, doubling the thickness of the gauge at entry to the rollers. Aluminum foil is said to be not absorbing light at all. ©The Naked Scientists® 2000–2017 | The Naked Scientists® and Naked Science® are registered trademarks created by Dr Chris Smith. In "Star Trek" (2009), why does one of the Vulcan science ministers state that Spock's application to Starfleet was logical but "unnecessary"? Aluminum foil is said to be not absorbing light at all. How to guess the content of a christmas present? In fact - even Aluminium does absorb some radiation (by which it gets heated, can be noticed at incident high frequency radiation). The folks who professionally make mirrors out of aluminum can get you R>90% at 400 nm, and R>80% for most of the visible. rev 2020.11.24.38066, The best answers are voted up and rise to the top, Physics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Think of a dewar. Does less shiny and more shiny actually make a difference? Again an air gap will help keeping the heat in the room instead of heating the wall and radiating energy out. Flow cells that contain Is it only on the windows? Thanks. Will dig out confirmation. Do other planets and moons share Earth’s mineral diversity? If yes, then where does unreflected light go in case of less shiny aluminum foil? Why is it easier to carry a person while spinning than not spinning? For example I use aluminum foil behind a wood stove to reflect the heat to the room instead of heating the wall. @fffred The day time temperature here is 43 degree Celcius. While many believe that the different properties keep heat out when wrapped with the shiny finish facing out, and keep heat in with the shiny finish facing inwards, the actual difference is imperceptible without instrumentation. In a multiwire branch circuit, can the two hots be connected to the same phase? It reflects light. "There are two common urban myths about fluorescent lighting and UV exposure. As I said air is a good insulator.If you stretch simple foil across the frame then there will be air in between glass and foil. Now, to the "why" question. This can slightly reduce the above values, or restrict the coating to UV / Visible use. But, always be careful when playing with such things because, any sort of harmful radiation (if any- what about a heater or even an electric iron?) The shiny side is produced when the aluminium is rolled during the final pass. Why can we see the dust particles in a narrow beam of light (and not in an all lighted area)? Please elaborate on where and how the foil is being placed. The unreflected light (as you say) can go anywhere. It depends where the aluminum foil is situated. 0 Members and 1 Guest are viewing this topic. As a physics parameter, we use reflectivity to address the shininess. Though the surface is shinny, I thought of covering the ceiling of the box with aluminium foil to reflect more of the light from the UV tube. šåå°„材用アルミニウム箔の製造方法。, Aluminum foil for ultraviolet reflector and method for producing the same, Aluminum foil for ultraviolet reflecting material and method for producing same, Aluminum foil for ultraviolet reflective material and manufacturing method thereof, Aluminum foil for container and production method therefor, Aluminum foil for visible-light-reflecting material and method for producing said foil, Aluminum material excellent in brightness and its production, Optical element for reflection of UV radiation, manufacturing method therefor and projection exposure apparatus therewith, Cover glass manufacturing method and cover glass, Glass article having antireflection layer and method for producing the same, Optical element and manufacture method thereof, Reflector and manufacturing method thereof, Anti-fog transparent articles, fabrics which form a high hardness hydrophilic inorganic layer, and methods of making a low fog lens, Ordered Co 3 O 4 hierarchical nanorod arrays: tunable superhydrophilicity without UV irradiation and transition to superhydrophobicity, Composites with hydrophilic photocatalytic surfaces, Stainless steel plate and manufacturing method thereof, Glass having antiglare surface with low display sparkle, With part seen in island-like coatings, related manufacturing method and device containing the same, Antireflection film and image display device, Optical transparent member and optical system using the same, Aluminum base die material for stamper, aluminum base die for stamper and stamper, Coated metal material and method of production of same, Method for producing mold and method for producing anti-reflection film using mold, Mold, mold manufacturing method, and antireflection film manufacturing method, Anodized aluminum alloy products having improved appearance and/or abrasion resistance, and methods of making the same, Method for producing composition for vapor deposition, composition for vapor deposition, and method for producing optical element with antireflection film, Aluminium brazing sheet with a high strength and excellent corrosion performance, A multifunctional nanoporous layer created on glass through a simple alkali corrosion process, Ion beam treatment method for producing superhydrophilic glass materials, Aluminum product excellent in corrosion resistance and method for producing the same, Wipo information: entry into national phase, Ep: the epo has been informed by wipo that ep was designated in this application, Ep: pct application non-entry in european phase. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. John Von Neumann. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You can see from Crazy Buddy's answer that the more mirror like the surface the less is absorbed by the foil. How to consider rude(?) What is Time? Is the whole room coated in foil? I believe Aluminium is highly reflective in the UV band. Air is a bad conductor of heat. If you see me running, try to keep up.". As you may be aware, I have a couple of tortoises. If your room is hotter than 43 C because of direct sunlight, then you might get it closer to 43 C, but I would suggest you simply open the windows ... One more question: In order to keep whole room cool will it help if I stick the foil to the outside of wooden door too? If you want a whole room to be kept cool you could mimic this. How do we get to know the total mass of an atmosphere? Why `bm` uparrow gives extra white space while `bm` downarrow does not? The first myth says that fluorescent lighting generates hazardous amounts of UV rays, rivaling direct outdoor sun exposure. Why do we need to light the rocket fuel for a rocket to take off? What is the best way to remove 100% of a software that is not yet installed? Provided is an aluminum foil for ultraviolet light reflecting materials, which has a reflectance higher than those of conventional aluminum foils by 85% or more with respect to ultraviolet light in a wavelength range of 250 nm to 400 nm and by 80% or more with respect to deep ultraviolet light in a wavelength range of 254 nm to 265 nm. Usage of "Salutation" vs "Form-of-Address". Why Is an Inhomogenous Magnetic Field Used in the Stern Gerlach Experiment? Should we leave technical astronomy questions to Astronomy SE? Information presented on this website is the opinion of the individual contributors and does not reflect the general views of the administrators, editors, moderators, sponsors, Cambridge University or the public at large. Aluminum—sputtered on glass 80% Aluminum foil 73% Stainless steel (various formulas) 20 – 28% A common material used in commercial UV disinfection systems is stainless steel. The reason is that the metallic surface gets heated by the non reflected energy and radiates +transfers by contact.

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