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2. Magnifying glass - Wikipedia

   en.wikipedia.org/wiki/Magnifying_glass

   A pen seen through a magnifying glass Jim Hutton as detective Ellery Queen, posing with a magnifying glass. A magnifying glass is a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle. Beyond its primary function of magnification, this simple yet ingenious tool serves a ...

3. Curved mirror - Wikipedia

   en.wikipedia.org/wiki/Curved_mirror

   A convex mirror diagram showing the focus, focal length, centre of curvature, principal axis, etc. A convex mirror or diverging mirror is a curved mirror in which the reflective surface bulges towards the light source. [1] Convex mirrors reflect light outwards, therefore they are not used to focus light.

4. Shelf (storage) - Wikipedia

   en.wikipedia.org/wiki/Shelf_(storage)

   Tables designed to be placed against a wall, possibly mounted, are known as console tables, and are similar to individual shelves. A shelf can be attached to a wall or other vertical surface, be suspended from a ceiling , be a part of a free-standing frame unit, or it can be part of a piece of furniture such as a cabinet , bookcase ...

5. America’s Most Admired Lawbreaker - The Huffington Post

   highline.huffingtonpost.com/miracleindustry/...

   That would allow the company to tell the press and Wall Street that the company had admitted to misbehaving for a period of months (21) rather than a period of years—a short blip in the Credo company’s long history. The company dug in, according to lawyers on both sides.

6. 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 ...

7. Reflecting telescope - Wikipedia

   en.wikipedia.org/wiki/Reflecting_telescope

   A convex secondary mirror is placed just to the side of the light entering the telescope, and positioned afocally so as to send parallel light on to the tertiary. The concave tertiary mirror is positioned exactly twice as far to the side of the entering beam as was the convex secondary, and its own radius of curvature distant from the secondary.