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2. High-refractive-index polymer - Wikipedia

   en.wikipedia.org/wiki/High-refractive-index_polymer

   Such materials are required for anti-reflective coating and photonic devices such as light emitting diodes (LEDs) and image sensors. [1] [2] [3] The refractive index of a polymer is based on several factors which include polarizability, chain flexibility, molecular geometry and the polymer backbone orientation. [4] [5]

3. Bird–window collisions - Wikipedia

   en.wikipedia.org/wiki/Bird–window_collisions

   This is because while some birds can see UV light, not all can. Other solutions include window film (as long as it is placed on the exterior of the glass) and ceramic frit glass (glass with frit dots). [28] Windows can also be covered with decals spaced no more than 5 cm horizontally or 10 cm vertically to prevent collisions. [29]

4. Window film - Wikipedia

   en.wikipedia.org/wiki/Window_film

   The thicker window films known as safety and security window film are designed to perform under extreme conditions, and as such there are specific standard criteria these films should meet, such as American standards ANSI Z.97, CPSC 16 CFR 1201, Cat II (400 ft-lb), and the British Standards BS 6206 (Class A, B, C).

5. Safety and security window film - Wikipedia

   en.wikipedia.org/.../Safety_and_security_window_film

   The film thickness is selected for level of protection desired and the dimensions of the glass pane. Manufacturers recommend 100 micrometer film (2 ply) for glass up to 3 mm (1/8 in) and 175 micrometer film for glass over 6 mm (1/4 in). These films can be applied for security applications, where a delay of forced entry is desired.

6. Water-repellent glass - Wikipedia

   en.wikipedia.org/wiki/Water-repellent_glass

   The sol-gel process is a common method of preparing water-repellent glass coating films done with various materials and often resulting in dual-layer films. [7] This process is advantageous for automobile window applications since it works with large, curved safety glasses and allows qualities such as durability and hydrophobicity to be ...

7. Why do we leave Christmas cookies for Santa? Chef ... - AOL

   www.aol.com/why-leave-christmas-cookies-santa...

   How did families come to leave cookies and milk for Santa Claus on Christmas? A celebrity chef told Fox News Digital how the tradition got its start and why a chocolate chip cookie is the best.