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2. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   It has a density of 1.17–1.20 g/cm 3, [1] [16] which is approximately half that of glass, which is generally, depending on composition, 2.2–2.53 g/cm 3. [1] It also has good impact strength, higher than both glass and polystyrene, but significantly lower than polycarbonate and some engineered polymers.

3. Smart glass - Wikipedia

   en.wikipedia.org/wiki/Smart_glass

   Smart glass, also known as switchable glass, dynamic glass, and smart-tinting glass, is a type of glass that can change its optical properties, becoming opaque or tinted, in response to electrical or thermal signals. This can be used to prevent sunlight and heat from entering a building during hot days, improving energy efficiency. [1]

4. Window film - Wikipedia

   en.wikipedia.org/wiki/Window_film

   Tint on the windscreen – a band across the top is permitted with a depth of no more than 10% of the depth of the windscreen. An exception to the side and rear window tinting regulations applies to cars tinted before 1 August 1994. [10] Belarus— Any kind of window tint is illegal. An exception is made for factory tint in vehicles purchased ...

5. Mirror - Wikipedia

   en.wikipedia.org/wiki/Mirror

   A normal household-mirror made with float glass may have flatness tolerances as low as 9–14λ per inch (25.4 mm), equating to a deviation of 5600 through 8800 nanometers from perfect flatness. Precision ground and polished mirrors intended for lasers or telescopes may have tolerances as high as λ/50 (1/50 of the wavelength of the light, or ...

6. Dune (2021 film) - Wikipedia

   en.wikipedia.org/wiki/Dune_(2021_film)

   Dune (titled on-screen as Dune: Part One) is a 2021 American epic space opera film directed and co-produced by Denis Villeneuve, who co-wrote the screenplay with Jon Spaihts, and Eric Roth.

7. Chevrolet Chevy II / Nova - Wikipedia

   en.wikipedia.org/wiki/Chevrolet_Chevy_II_/_Nova

   The first and second generations were available, depending on year and model, with the 194 cu in (3.18 L), 230 cu in (3.8 L) and 250 cu in (4.1 L) engines. The third generation ("Chevys") were produced with the 230 cu in (3.8 L) and 250 cu in (4.1 L) engines with specially tuned carburetors for sporting models.