Personally, I'd have marketed this to appeal more to nerds. Recreating the early conditions of the Universe ? Pffft, naaaah.
THEY'RE BUILDING A REPLICATOR, PEOPLE !
(no, not literally, but that's obvious)
The theory of the Breit-Wheeler process says it should be possible to turn light into matter by smashing two particles of light (photons) together to create an electron and a positron. However, past attempts to do this have required the addition of other high-energy particles.
Physicists from Imperial College London, led by Professor Steven Rose, came up with a way of testing the theory that did not rely on these added extras in 2014, and today an experiment is running in the hope of turning light directly into matter for the first time.
Professor Rose said: "This would be a pure demonstration of Einstein's famous equation that relates energy and mass: E=mc2, which tells us how much energy is produced when matter is turned to energy. What we are doing is the same but backwards: turning photon energy into mass, i.e. m=E/c2."
https://phys.org/news/2018-03-underway.html
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