![](http://o.aolcdn.com/hss/storage/midas/70324b7e23d1a4e36bea703afa1a291b/206129271/single-atom-ion-trap-nadlinger-2018-02-15-02.jpg)
The tiny dot in the center of the screen, between the two metal electrodes, is the light emitted by a single atom. The photo, Single Atom in an Ion Trap, just won the grand prize in the UK's Engineering and Physical Sciences Research Council (EPSRC)...