PBS Space Time Season 2018 Episode 28 Quantum Theory's Most Incredible Prediction

PBS Space Time season 2018 episode 28, "Quantum Theory's Most Incredible Prediction", is a fascinating exploration of one of the most peculiar aspects of quantum physics. In this episode, the host breaks down the concept of quantum entanglement and explains how it relates to the famous thought experiment known as Schrödinger's cat.

The episode begins with a brief overview of quantum mechanics and its implications for our understanding of reality. The host explains that the behavior of subatomic particles defies classical physics, leading scientists to develop a new framework for understanding nature. This framework, known as quantum mechanics, has led to some of the most counterintuitive predictions in the history of science.

One of these predictions is the existence of quantum entanglement. The host explains that when two particles become entangled, they become linked in such a way that the state of one particle affects the state of the other, even if they are separated by vast distances. This strange phenomenon has been observed in laboratories all over the world and has important implications for quantum computing and communication.

The host then goes on to explain how quantum entanglement relates to Schrödinger's cat, a thought experiment designed to illustrate the peculiarities of quantum mechanics. In the experiment, a cat is placed in a box with a device that has a 50/50 chance of killing the cat at any given moment. The host explains that, according to quantum mechanics, the cat is both alive and dead until the box is opened, at which point its state becomes fixed.

But what happens if we introduce entanglement into the mix? The host explains that if we entangle the state of the device with the state of a subatomic particle, we end up with a superposition of states that includes both an alive and a dead cat. This means that the cat is both alive and dead until the state of the particle is measured, at which point the cat's state becomes fixed.

The host then delves into the many implications of quantum entanglement, including its potential for use in quantum computing and communication. He also discusses the challenges of working with entangled particles and explains the state-of-the-art experimental techniques used to study these phenomena.

Overall, "Quantum Theory's Most Incredible Prediction" is an engaging and informative exploration of one of the most intriguing concepts in modern physics. It offers a clear and accessible explanation of quantum entanglement and its applications, making it an excellent resource for anyone interested in learning more about this cutting-edge topic.