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2. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   The characteristics of polycarbonate compare to those of polymethyl methacrylate (PMMA, acrylic), but polycarbonate is stronger and will hold up longer to extreme temperature. Thermally processed material is usually totally amorphous, [ 7 ] and as a result is highly transparent to visible light , with better light transmission than many kinds ...

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. Poly(methyl methacrylate) - Wikipedia

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

   Attenuation being quite strong for distances over one meter (more than 90% intensity loss for a 3000 K source), [36] acrylic broadband light guides are then dedicated mostly to decorative uses. Pairs of acrylic sheets with a layer of microreplicated prisms between the sheets can have reflective and refractive properties that let them redirect ...

5. US agency warns extended government shutdown could lead to ...

   www.aol.com/news/us-agency-warns-extended...

   The head of the Transportation Security Administration on Thursday warned that an extended partial U.S. government shutdown could lead to longer wait times at airports. TSA, which handles airport ...

6. Mortgage and refinance rates for Dec. 18, 2024: Average ... - AOL

   www.aol.com/finance/mortgage-and-refinance-rates...

   Average mortgage rates edge higher for 30-year and 15-year terms as of Wednesday, December 18, 2024, as the Federal Reserve is set to conclude its final policy session of the year.

7. Teenage girl's motive in Wisconsin school shooting still ...

   www.aol.com/news/teenage-girls-motive-wisconsin...

   School shootings have become a near-daily occurrence in the United States, with 322 of them this year, according to the K-12 School Shooting Database. That is the second highest annual total since ...