Watching the double-slit experiment in real time

Watching the double-slit experiment in real time – Richard Feynman, one of the 20th century's greatest physicists, once said the double-slit experiment went to 'the heart of quantum mechanics'. Now, an international team of scientists has refined the famous experiment, allowing the untrained observer to watch it unfold in real time. Reference: T Juffmann et al, Nat. Nanotechnol., 2012, DOI: 10.1038/nnao.2012.34