Tag Archives: IYL2015

International Year of Light

International_Yearof Light 2015

International Year of Light (IYL 2015)

The International Year of Light and Light-based Technologies, 2015 (IYL 2015) is a United Nations observance that aims to raise awareness of the achievements of light science and its applications, and its importance to humankind.

IYL 2015 is a global initiative adopted by the United Nations to raise awareness of how optical technologies promote sustainable development and provide solutions to worldwide challenges in energy, education, agriculture, communications and health.

IYL 2015 opening ceremonies which was held on 19-20 January 2015 in Paris.


At the beginning of the 20th century, Einstein changed the
way we think about Time and Light. Now in the 21st century,
Einstein’s thinking is shaping one of the key scientific and
technological wonders of contemporary life: atomic clocks,
the best timekeepers ever made. Today, atomic clocks are still being improved, using atoms cooled by the pressure of light to incredibly low temperatures. A multimedia presentation at UNESCO Headquarters by the Nobel Prize William D. Phillips.

A Tour of IYL 2015
To recognize the start of IYL, the Chandra X-ray Center is releasing a collection of images that combine data from telescopes tuned to different wavelengths of light.

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