Quantum Theory

Quantum Computing Science

Why is Quantum Mechanics Weird?

In her efforts to demystify quantum mechanics, YouTuber Sabine Hossenfelder, has done quite a few videos on the topic. In this video she explains exactly why quantum mechanics is weird. Is it entanglement or superpositions? Schrödinger’s cats? Not quite, really. But the famous Elitzur-Vaidman Bomb Experiment demonstrates well just why quantum mechanics is weird indeed. […]

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Quantum Computing

How Does a Quantum Computer Work?

Scientific American explains the innards of quantum computing.

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Quantum Computing Security

What is Quantum Cryptography?

In this video, Sabine Hossenfelder explains how public key cryptography works on the internet today, using RSA as example, what the risk is that quantum computers pose for internet security, what post-quantum cryptography is, how quantum key distribution works, and what quantum cryptography is. Video contents: 0:00 Intro 0:31 Public Key Cryptography 2:43 Risk posed […]

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Quantum Computing Science

Does Consciousness Influence Quantum Mechanics?

It’s not surprising that the profound weirdness of the quantum world has inspired some outlandish explanations – nor that these have strayed into the realm of what we might call mysticism. One particularly pervasive notion is the idea that consciousness can directly influence quantum systems – and so influence reality. PBS Space Time examines where […]

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