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2. Blackout (fabric) - Wikipedia

   en.wikipedia.org/wiki/Blackout_(fabric)

   A '3-pass' blackout can be used as a decorative fabric and blackout lining all in one fabric. A '2-pass' cannot be used this way, because the black foam is visible through the fabric side of the material. In addition to blocking light, blackout fabrics also insulate and have noise-dampening qualities, due to their density and opacity.

3. Tempered glass - Wikipedia

   en.wikipedia.org/wiki/Tempered_glass

   However, over time, as the glass expands and contracts, stress concentrations can develop around the nick, leading to breakage. In the case of tempered glass the entire unit usually breaks. Binding of the glass in the frame, causing stresses to develop as the glass expands and contracts due to thermal changes or deflects due to wind.

4. Storm window - Wikipedia

   en.wikipedia.org/wiki/Storm_window

   Triple-Track: Consisting of two window panes and a half-screen on three separate tracks, allowing for adjustable ventilation. Two-Track Sliders: Designed for horizontal opening, suitable for slider windows. Basement Storm Windows: Typically a single fixed pane of glass covering the window. "The Best Storm Window Options for Added Insulation".

5. Clear view screen - Wikipedia

   en.wikipedia.org/wiki/Clear_view_screen

   A clear view screen or clearview screen is a glass disk mounted in a window that rotates to disperse rain, spray, and snow. A clear view screen is typically driven by an electric motor at the center of the disk, and is often heated to prevent condensation or icing.

6. Thermal fracturing in glass - Wikipedia

   en.wikipedia.org/wiki/Thermal_fracturing_in_glass

   Artificial heating and cooling: if heating or cooling vents are present, the glass can heat or cool excessively and may result in thermal stress. Frame type and colour: insulating materials keep the edges cool but conduction materials are influenced by their colour. dark colours are more absorptive so causes more heating. Glass type : edge ...

7. Can You Get Vitamin D Through a Window? - AOL

   www.aol.com/vitamin-d-window-doctors-explain...

   UVA rays are what can lead to premature aging and can be a cause of skin cancer. “Glass 100% blocks UVB rays — which is what you need to make vitamin D — while allowing in UVA rays,” Dr ...

8. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

9. Window covering - Wikipedia

   en.wikipedia.org/wiki/Window_covering

   Optimal control of window coverings can increase occupant comfort (visual and thermal comfort) while saving building energy use (lighting, cooling, and heating energy). [7] Typical dynamic window coverings include automated blinds and automatic shades. Window blinds and shades can be controlled to avoid glare while introducing daylight to the ...