On 21 October 1983, the General Conference of Weights And Measures adopted the value of
On 21 October 1983, the General Conference of Weights And Measures adopted the value of
km/s for the speed of light
At the occasion of the anniversary, activities are organized around the world, and encompass all kinds of demonstrations and discussions on the impact of photonics on our
day-to-day life. Find our more on the website of DAY OF PHOTONICS on www.day-of-photonics.org