Not really... https://www.technologyreview.com/2017/08/08/105518/the-thorny-question-of-whether-humans-can-observe-single-photons/ https://www.technologyreview.

Not really... https://www.technologyreview.com/2017/08/08/105518/the-thorny-question-of-whether-humans-can-observe-single-photons/ https://www.technologyreview.com/2017/08/08/105518/the-thorn... Or, yes, under ideal conditions, maybe sometimes. 51.6% chance of being right in a yes/no question will not help in this case.