Electrons travelling through two slits and a single slit. (Courtesy: Herman Batelaan/New Journal of Physics) Physicists in the US and Canada say that they have done the best job yet of realizing ...

The double-slit experiment, first performed by [Thomas Young] in 1801 provided the first definitive proof of the dual wave-particle nature of photons. A similar experiment can be performed that shows ...

If you ever had to make a difficult choice between two alternatives and unfortunately chose the one that turned out to be less favorable in retrospect, you probably wished you could simply turn back ...