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  2. Poly(methyl methacrylate) - Wikipedia

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

    PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Hesalite, Plexiglas, Acrylite, Lucite, and Perspex, among several others . This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many ...

  3. Barra system - Wikipedia

    en.wikipedia.org/wiki/Barra_system

    The Barra system is a passive solar building technology developed by Horazio Barra in Italy.It uses a collector wall to capture solar radiation in the form of heat. It also uses the thermosiphon effect to distribute the warmed air through channels incorporated into the reinforced concrete floors, warming the floors and hence the building.

  4. Passive solar building design - Wikipedia

    en.wikipedia.org/wiki/Passive_solar_building_design

    Reflecting elements, from active and passive daylighting collectors, such as light shelves, lighter wall and floor colors, mirrored wall sections, interior walls with upper glass panels, and clear or translucent glassed hinged doors and sliding glass doors take the captured light and passively reflect it further inside.

  5. 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.

  6. Ceiling fan - Wikipedia

    en.wikipedia.org/wiki/Ceiling_fan

    Ceiling fans are usually installed in a space with other lighting fixtures, but if the fan is positioned too close to a light panel or fixture, a strobe or flicker effect may occur. A strobe or flicker effect is a phenomenon which occurs when light brightens and dims consistently as it penetrates and passes through a moving ceiling fan. [ 8 ]

  7. They Burn Witches Here - The Huffington Post

    highline.huffingtonpost.com/articles/en/they...

    At Mapang, there were gates, guards and razor wire. Darting birds and bougainvillea. Tin roofs, slatted glass windows, listless ceiling fans running off solar power. The main room was hung with a portrait of the staff, as well as an admonition to ALERT US if anyone not in the picture was seen walking the grounds.