Understanding the Quantum World Season 1 Episode 17

Ep 17. Atomic Clocks and GPS

  • TV-PG
  • March 29, 2019
  • 28 min

As our world becomes increasingly interconnected, precise timing has become a necessity for everything from global financial transactions to GPS navigation. In this episode of Understanding the Quantum World, we explore how quantum physics plays a crucial role in keeping our clocks ticking accurately.

We start by examining the history of clocks, from the earliest sundials to the modern atomic clock, which uses the vibrations of atoms to keep time with unprecedented accuracy. We learn how scientists discovered new applications for these high-precision instruments, including their role in the Global Positioning System (GPS), which relies on precise timekeeping to calculate the position of objects on Earth.

As we dive deeper into the mechanics of atomic clocks, we explore how quantum physics allows us to take advantage of the bizarre and counterintuitive properties of matter at the atomic level. We learn how quantum phenomena such as entanglement and superposition enable atomic clocks to achieve a level of accuracy that was previously impossible.

Next, we delve into the science behind GPS, and how it relies on the precise timing information provided by atomic clocks to determine the location of objects on Earth. We discover how the GPS system uses a network of satellites orbiting the Earth to triangulate a user's position, and how even the slightest error in timing can lead to significant errors in location.

We also explore some of the challenges facing the GPS system, including the threat of interference from both natural and human-made sources. We learn about the importance of continually monitoring and updating the GPS system to ensure that it remains reliable and accurate.

Throughout the episode, we hear from experts in the field of quantum physics and timekeeping, who provide insights into the complex science behind atomic clocks and GPS. We learn about some of the groundbreaking research currently being undertaken in this area, including the development of even more accurate atomic clocks and new applications for precise timing.

By the end of the episode, viewers will have a newfound appreciation for the critical role that quantum physics plays in keeping our clocks ticking accurately, and our world running smoothly. Whether you're a science enthusiast or simply curious about the mechanics of modern technology, this episode of Understanding the Quantum World is sure to provide fascinating insights into the world of atomic clocks and GPS.

Description
Watch Understanding the Quantum World - Atomic Clocks and GPS (s1 e17) Online - Watch online anytime: Buy, Rent
Understanding the Quantum World, Season 1 Episode 17, is available to watch and stream on The Great Courses Signature Collection. You can also buy, rent Understanding the Quantum World on demand at Apple TV Channels, Amazon Prime, Amazon online.
  • First Aired
    March 29, 2019
  • Content Rating
    TV-PG
  • Runtime
    28 min
  • Language
    English