# Astronomy - Much ado about nothing

- Institution: Gresham College
- Speaker: Professor John D Barrow FRS
- Year: 2005
- Level: For everyone
- Language: English
- Subjects: Physics, Astronomy and space
- Source: [Gresham College](https://www.gresham.ac.uk/watch-now/astronomy-much-ado-about-nothing)
- Licence: [Educational use (Gresham College's terms)](https://www.gresham.ac.uk/terms-and-conditions)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

The conception of 'nothing' has played a crucial role in the development of logic, mathematics, physics, philosophy and theology. This lecture looks at how these currents have led to the modern picture of the 'vacuum' in quantum physics and how its non-uniqueness and changeability lie at the root of our modern picture of the universe.

## Lectures

1. [Astronomy - Much ado about nothing](https://invisiblenetwork.ai/learn/gresham/astronomy-much-ado-about-nothing/17a749f84283) (YouTube)