The most precise clocks we have are atomic clocks which are powered by quantum mechanics. Besides keeping time, they can also let your smartphone know where you are.
SHORTLISTED | Quantum Shorts 2014
How can Wigner's Friend be sure that his Friend-with-benefits mailed a very important envelope? Verschränkung = Entanglement.
This film is best experienced when listened to with headphones at a safe volume.
Seth Wiley lives and works in Los Angeles, CA. This is his second film for Quantum Shorts ("Heisenberg," 2012.)