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2. Non-reversing mirror - Wikipedia

   en.wikipedia.org/wiki/Non-reversing_mirror

   The Museum of Illusions refers to this type of mirror as an "antigravity mirror" because as it rotates once around the line-of-sight axis, the reflected image rotates twice, appearing upside-down when the joint is horizontal. Another type of non-reversing mirror can be made by making the mirror concave (curved inward like a bowl).

3. Mirror - Wikipedia

   en.wikipedia.org/wiki/Mirror

   A mirror reflecting the image of a vase A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table). 4.5-metre (15 ft)-tall acoustic mirror near Kilnsea Grange, East Yorkshire, UK, from ...

4. Perfect mirror - Wikipedia

   en.wikipedia.org/wiki/Perfect_mirror

   A very complex dielectric mirror can reflect up to 99.999% of the light incident upon it, for a narrow range of wavelengths and angles. A simpler mirror may reflect 99.9% of the light, but may cover a broader range of wavelengths. Almost any dielectric material can act as a perfect mirror through total internal reflection. This effect only ...

5. First-surface mirror - Wikipedia

   en.wikipedia.org/wiki/First-surface_mirror

   First-surface mirrors are now made for applications requiring a strict reflection without a ghosting effect as seen with a second-surface mirror, where a faint secondary reflection could be observed, coming from the front surface of the glass. This includes most optics applications where light is being manipulated in a specific manner.

6. White House: Biden will attend Trump's inauguration in January

   www.aol.com/news/white-house-biden-attend-trumps...

   President Joe Biden and First Lady Jill Biden will attend President-elect Donald Trump's inauguration in January, a White House spokesman said on Monday. "The president promised that he would ...

7. Military pay during a government shutdown: What service ... - AOL

   www.aol.com/military-pay-during-government...

   As many Americans begin their holiday festivities, service members are facing uncertainties as a potential government shutdown looms.