
ALT A Springer Nature social media post with a blue background and a graphic featuring bright light strobes. Text reads: \"Did You Know? The International Day of Photonics is celebrated on 21 October because it commemorates the 1983 adoption of the official value of the speed of light. The day honors the science and technology of light itself.\"

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ALT A social media graphic featuring a black and white portrait of Max Planck on the left, next to text on a dark blue background: \"Did you know? Planck\u2019s law explains why hotter objects change colour as they heat up, from dull red toward orange, yellow and eventually white, by describing how the spectrum of thermal radiation depends on temperature.\"

ALT Call for Papers: Menopause, Scientific Reports. An abstract illustration shows hands, one with a magnifying glass examining an eye, another with a female symbol shield and question mark, surrounded by medical icons like pills and chemical structures. Submit Now. From nature portfolio & SPRINGER NATURE GROUP SDG Programme.




