Tag: Quantum Mechanics

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Quantum Data Locking: A Faster Way to Securely Send Data

In 1948, Claude Shannon proved that information could be securely encrypted and transmitted given a single-use, randomly generated key. As long as the key – commonly referred to as a ‘one-time pad’ – is used only once, and is equal in length to the message it is encrypting, the message would be impossible to crack. Quantum data locking presents a new, more efficient means of … Continue reading Quantum Data Locking: A Faster Way to Securely Send Data

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How the Quest for Gravitational Waves Pushes the Boundaries of Quantum Optics

by Michael Goldman figures by Michael Gerhardt LIGO’s observation of gravitational waves was perhaps the most stunning physics discovery of the past several years. Two black holes, each 20 to 30 times as massive as the sun, collided in an event of unimaginable violence and shook the very fabric of the space around them. About 1.4 billion years later, in February of this year, the … Continue reading How the Quest for Gravitational Waves Pushes the Boundaries of Quantum Optics

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Answering Einstein Decades Later; Quantum Entanglement is Real

Quantum mechanics is so mind-boggling that it has stumped even the greatest minds. In particular, Albert Einstein was so bothered by quantum mechanics that he never gave up in his efforts to discredit the theory.  Physicists have spent several decades trying to develop an experiment that would definitively prove him wrong. A few weeks ago, a team from Delft University finally settled the score. Einstein’s … Continue reading Answering Einstein Decades Later; Quantum Entanglement is Real

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