The International Day of Light, celebrated on 16 May, is a global initiative highlighting to the citizens of the world the importance of light and light-based technologies in their lives, for their futures, and for the development of society.
Light is an element that draws together many areas of human knowledge: physics, chemistry, biology, astronomy, engineering, and art. Moreover, optical phenomena and the technologies based on them are widespread in our daily lives. However, it can be difficult to understand or explain these phenomena. What is light? Where are optics and photonics present in our lives and in nature? What lies behind different optical phenomena? What is an optical instrument? How does the eye resemble an optical instrument? How can we explain human vision?
FORUM: International Day of Light 2021
OSA and SPIE collaborated very actively with the major optics and physics societies to approach UNESCO and ask the United Nations General Assembly to declare 2015 as “The International Year of Light and Light-based Technologies.” The success of this celebration lead to a new goal: to get an International Day of Light (IDL). It was approved by UNESCO, and 2018 was the first year we could celebrate the IDL on May 16th. The IO-CSIC and the authors of this book have participated very actively with the organisation of education and outreach events in schools and in the Institute of Optics. The International Year of Light and Light-based Technologies, as well as the IDL, are global initiatives to raise awareness of how optical technologies promote sustainable development and provide solutions to worldwide challenges in energy, education, agriculture, communications and health. Light is central to life, science, technology, art and culture. Light can promote education at all levels. Light technology drives development. There was a United Nations observance that aimed to raise awareness of the achievements of light science and its applications, and its importance to humankind. Books like this communicate to society as a whole the importance of light in today’s world and inspire a new generation of students and interest them in studying science. People are familiar with many natural light phenomena that we see daily and with light-based technologies because we use many devices in which light plays a crucial role. However, they do not always know the science behind them. If it is explained in an easy and amusing way, we can attract many people who will be surprised by the beauty of science
CAMPAIGN: Trust Science Pledge – Various Languages
The 2021 campaign for the day of light is a pledge to support evidence-based science worldwide.
PUBLICATION: Discovering Light fun experiments with optics
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