3 ms·

Paywall, though.

• tyingq 4y ago
  http://webcache.googleusercontent.com/search?q=cache%3Ahttps%3A%2F%2Fwww.newscientist.com%2Farticle%2F2346548-quantum-trick-sees-light-move-forwards-and-back-in-time-simultaneously%2F&rlz=1C1RXQR_enUS962US962&oq=cache%3Ahttps%3A%2F%2Fwww.newscientist.com%2Farticle%2F2346548-quantum-trick-sees-light-move-forwards-and-back-in-time-simultaneously%2F&aqs=chrome..69i57j69i58.1381j0j4&sourceid=chrome&ie=UTF-8 http://webcache.googleusercontent.com/search?q=cache%3Ahttps...