This Light is a Different Kind of Invisible

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Dark matter's most famous trait is its inability to interact with light, the particle version of which we call "photons". But in their attempts to figure out exactly what dark matter is, some scientists have proposed "dark photons".

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Sources:
https://indico.cern.ch/event/401719/attachments/804751/1102917/Talk.pdf
https://arxiv.org/abs/2005.01515
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.130.261801
https://www.eurekalert.org/news-releases/996377
https://home.cern/news/news/experiments/na64-hunts-mysterious-dark-photon
https://www.symmetrymagazine.org/article/drumming-up-dark-photons
https://dcc.ligo.org/public/0174/P2100098/010/O3_DPDM.pdf
https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.130.181001
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4603445/
https://academic.oup.com/mnras/article/452/3/3030/1079420
https://www.sciencedirect.com/topics/physics-and-astronomy/baryon-density
https://www.jstor.org/stable/2885889
https://www.aps.org/publications/apsnews/199507/macho.cfm
https://iopscience.iop.org/article/10.1088/1475-7516/2004/04/008
https://www.worldscientific.com/doi/abs/10.1142/S0218271811020561
https://www.quantamagazine.org/erik-verlindes-gravity-minus-dark-matter-20161129/
https://kipac.stanford.edu/highlights/leaving-no-stone-unturned-intense-search-dark-matter-focusing-low-mass-region-cdms
https://link.springer.com/article/10.1007/JHEP12(2021)139

Images:
https://www.gettyimages.com/
https://science.nasa.gov/mission/hubble/science/science-highlights/shining-a-light-on-dark-matter-jgcts/
https://en.wikipedia.org/wiki/File:A_Menagerie_of_Galaxies.jpg
https://www.gettyimages.com/detail/video/male-mime-artist-performing-pulling-virtual-rope-on-a-stock-footage/1301371528?adppopup=true
https://commons.wikimedia.org/wiki/File:Alone_in_Space_-_Astronomers_Find_New_Kind_of_Planet.jpg
https://www.gettyimages.com/detail/photo/massive-black-holes-in-nebula-royalty-free-image/867347838?adppopup=true
https://commons.wikimedia.org/wiki/File:Standard_Model_of_Elementary_Particles_and_Gravity.svg
https://cds.cern.ch/record/910381
https://www.flickr.com/photos/departmentofenergy/8056998030/
https://commons.wikimedia.org/wiki/File:Direct_Detection_Constraints.png
https://www.gettyimages.com/detail/video/raindrop-falls-from-a-green-leaf-stock-footage/1456002299?adppopup=true
https://www.nasa.gov/universe/fermi-telescope-caps-first-year-with-glimpse-of-space-time/
https://www.gettyimages.com/detail/video/3d-animation-of-blackhole-darkness-galaxy-rotating-in-stock-footage/1467365777?adppopup=true
https://svs.gsfc.nasa.gov/10955
https://www.gettyimages.com/detail/illustration/close-up-of-radioactive-atom-royalty-free-illustration/1275087570?phrase=radioactive+decay&searchscope=image%2Cfilm&adppopup=true
https://commons.wikimedia.org/wiki/File:DEAP3600.jpg
https://www.jpl.nasa.gov/images/pia13339-fun-house-mirror-in-space
https://www.gettyimages.com/detail/illustration/black-hole-scheme-with-gravity-grid-as-royalty-free-illustration/1170308166?phrase=gravity+space&searchscope=image%2Cfilm&adppopup=true
https://www.gettyimages.com/detail/video/animation-of-particles-collision-in-hadron-collider-stock-footage/1151477191?adppopup=true
https://www.eurekalert.org/multimedia/992748
https://www.gettyimages.com/detail/video/abstract-geometric-crystals-shapes-animation-stock-footage/1467032022?adppopup=true
https://cds.cern.ch/record/2229237
https://www.researchgate.net/figure/NA64-setup-and-working-principle-for-the-search-of-dark-photons-through-missing-energy-in_fig1_367388802
https://www.ligo.caltech.edu/page/optics
https://www.researchgate.net/figure/FAST-Telescope-operated-by-NAOC-in-Guizhou-China_fig5_351160584
https://www.eurekalert.org/multimedia/722012