mass-producible-miniat
Light pulses can be stored and retrieved in the glass cell, which is filled with rubidium atoms and is only a few millimeters in size. Credit: University of Basel, Department of Physics/Scixel
Light pulses can be stored and retrieved in the glass cell, which is filled with rubidium atoms and is only a few millimeters in size. Credit: University of Basel, Department of Physics/Scixel