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The story behind your glasses
Content Provider | TED Ed |
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Author | Timothy, Eva |
Description | Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultraviolet, and infrared light. http://en.wikipedia.org/wiki/Optics Eva Timothy is a Media/Communications graduate with a B.A. from the University of Utah, and she also studied at Oxford School of Photography in the U.K. She holds a Licentiate Certification from the Royal Photographic Society of Great Britain and is currently an instructor at the Newburyport Art Association. http://www.illumea.com/ Galileo Galilei was an Italian physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. His achievements include improvements to the telescope. PBS produced a documentary about the telescope entitiled 400 Years of the Telescope. http://www.pbs.org/soptv/400years/en/ Robert Hooke was perhaps one of the most important scientists from the 17th century. While his research and findings were often overshadowed by those of his rival Sir Isaac Newton, one cannot argue their importance in the development of fields such as physics, astronomy, biology, and medicine. http://roberthooke.com/ Spectacles seem to have been invented in Florence around 1285. These were convex lenses, helpful only to the far-sighted. Concave lenses for the near-sighted were not developed prior to the 16th century. http://scholar.chem.nyu.edu/tekpages/spectacles.html A 1944 magazine article about how eye glasses correct vision impairments. http://www.popsci.com/archive-viewer?id=oiUDAAAAMBAJ&pg=12&query=Vol.+144 Glasses, also known as eyeglasses (formal), spectacles or simply specs (informal), are frames bearing lenses worn in front of the eyes. They are normally used for vision correction or eye protection. http://en.wikipedia.org/wiki/Glasses Johnaees Gutenberg was a German blacksmith, goldsmith, printer, and publisher who introduced printing to Europe. His invention of mechanical movable type printing started the Printing Revolution and is widely regarded as the most important event of the modern world. http://en.wikipedia.org/wiki/Johannes_Gutenberg Project Gutenberg offers over 40,000 free ebooks: choose among free epub books, free kindle books, download them or read them online. http://www.gutenberg.org/ |
Language | English |
Access Restriction | Open |
Subject Keyword | Technology |
Content Type | Video Animation |
Time Required | PT4M17S |
Education Level | Class VII Class VIII Class IX Class X |
Pedagogy | Lecture cum Demonstration |
Resource Type | Video Lecture |
Subject | Technical |