Irreversible splitting of light

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<blockquote class="wp-embedded-content" data-secret="1NzJJhisgW"><a href="https://ml4q.de/2019/11/14/irreversible-splitting-of-light/">Irreversible splitting of light</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://ml4q.de/2019/11/14/irreversible-splitting-of-light/embed/#?secret=1NzJJhisgW" width="600" height="400" title="&#8220;Irreversible splitting of light&#8221; &#8212; ML4Q" data-secret="1NzJJhisgW" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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