Ads
related to: 72x36 mirror without frame for sale craigslist houston pets dogs puppiesamazon.com has been visited by 1M+ users in the past month
Search results
Results From The WOW.Com Content Network
In the early 10th century, the Persian scientist al-Razi described ways of silvering and gilding in a book on alchemy, [citation needed] but this was not done for the purpose of making mirrors. Tin-coated mirrors were first made in Europe in the 15th century. The thin tinfoil used to silver mirrors was known as "tain". [5]
A mirror is an object whose surface reflects an image. Mirror, mirrors or MIRROR may also refer to: Reflection (mathematics), creating the mirror image of a shape across a point, line or plane; The "silver mirror", created in chemical tests involving Tollens' reagent
Plane mirrors are the only type of mirror for which an object produces an image that is virtual, erect and of the same size as the object in all cases irrespective of the shape, size and distance from mirror of the object however same is possible for other types of mirror (concave and convex) but only for a specific conditions.
The hamadryas baboon is one primate species that fails the mirror test.. The mirror test—sometimes called the mark test, mirror self-recognition (MSR) test, red spot technique, or rouge test—is a behavioral technique developed in 1970 by American psychologist Gordon Gallup Jr. as an attempt to determine whether an animal possesses the ability of visual self-recognition. [1]