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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. Display case - Wikipedia

   en.wikipedia.org/wiki/Display_case

   Display case shows and protects a painting by a follower of Robert Campin. A display case (also called a showcase, display cabinet, shadow box, or vitrine) is a cabinet with one or often more transparent tempered glass (or plastic, normally acrylic for strength) surfaces, used to display objects for viewing.

4. Harbinger (Star Trek: Enterprise) - Wikipedia

   en.wikipedia.org/wiki/Harbinger_(Star_Trek:...

   "Harbinger" is the sixty-seventh episode of Star Trek: Enterprise, the fifteenth episode from the third season. "Harbinger" works together three plot lines in a single episode: the T'Pol-Tucker relationship, the Hayes (the MACO commander) and Reed tension and uncovering the nature of a mysterious alien discovered in an anomaly and its possible links to the expanse sphere builders.

5. Vacuum chamber - Wikipedia

   en.wikipedia.org/wiki/Vacuum_chamber

   A small vacuum chamber for studio or lab use in de-airing materials such as mold rubbers and resins. Vacuum chamber for testing leaks in packaging. A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. This results in a low-pressure environment within the chamber, commonly referred to as a vacuum.

6. Bubble chamber - Wikipedia

   en.wikipedia.org/wiki/Bubble_chamber

   Fermilab's disused 15-foot (4.57 m) bubble chamber The first tracks observed in John Wood's 1.5-inch (3.8 cm) liquid hydrogen bubble chamber, in 1954.. A bubble chamber is a vessel filled with a superheated transparent liquid (most often liquid hydrogen) used to detect electrically charged particles moving through it.

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!