Aren't the commercial implications of such an advancement enticing enough to make the private sector throw many more millions, if not billions, into this research, if they haven't done so already? Granted, they would only allow new batteries to come to market if they lasted for fewer charge cycles.
But over an average of many observations, the path of a particle is seen to be able to be obstructed and prevent the interaction from occuring where it would have had there not been an obstruction, i.e. shadows cast by objects blocking light sources.
Also, radiation is proven to take time to traverse space, i.e. when communicating with a satellite.