For decades, people have been trying to directly detect dark matter: the missing mass in our universe. Now, there's a new, ...

Key TakeawaysTESSERACT has developed exquisitely sensitive transition-edge sensors that open up new searches for dark matter ...

Meanwhile, the 'light' part makes the polariton almost massless, resulting in the formation of a superfluid condensate ... strength of the light-matter coupling as the dark exciton density is ...