Photons on roundabout route could get caught in action
Proposed twist on double-slit experiment could identify light that weaves in and out
![triple slit experiment](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/10/ag_tripleslit_feat.jpg?fit=860%2C460&ssl=1)
MEANDERING LIGHT A new study quantifies the amount of light that takes a circuitous route (such as the purple one) through three slits. Traditionally physicists have accounted for paths involving only one slit per photon (green).
Copyright 2014 by The American Physical Society