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International Day of Light

今週木曜日5月16日はInternational Day of Lightです。https://www.lightday.org/
この日は米国メイマンがルビーレーザーの発振に成功した日にちなんで、設定されています。

The International Day of Light is a global initiative that provides an annual focal point for the continued appreciation of light and the role it plays in science, culture and art, education, and sustainable development, and in fields as diverse as medicine, communications, and energy. The broad theme of light will allow many different sectors of society worldwide to participate in activities that demonstrates how science, technology, art and culture can help achieve the goals of UNESCO – education, equality, and peace.

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