Extremely compressible “gas of light”

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<blockquote class="wp-embedded-content" data-secret="rMdw265YRT"><a href="https://ml4q.de/2022/03/24/extremely-compressible-gas-of-light/">Extremely compressible &#8220;gas of light&#8221;</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://ml4q.de/2022/03/24/extremely-compressible-gas-of-light/embed/#?secret=rMdw265YRT" width="600" height="400" title="&#8220;Extremely compressible &#8220;gas of light&#8221;&#8221; &#8212; ML4Q" data-secret="rMdw265YRT" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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