article_snippet: But if you set up a pair of cameras to monitor the slit, the wave function collapses.
article_snippet: This is the instantaneous collapse of the wave function to wherever the particle is detected.
article_snippet: But if you set up a pair of cameras to monitor the slit, the wave function collapses.
article_snippet: Almost 90 years later, by splitting a single photon between two laboratories, scientists have used homodyne detectors - which measure wave-like properties - to show the collapse of the wave function is a real effect.
article_snippet: By splitting a single photon between two laboratories, scientists have used homodyne detectors - which measure wave-like properties - to show the collapse of the wave function is a real effect .
article_snippet: This is why it is important to demonstrate non-local wave function collapse with a single particle. '
highlights_snippet: The study reveals how when a light photon is observed The study changes state .
  