# Why do we live in three dimensions - or do we?

- Institution: Gresham College
- Speaker: Professor Frank Close
- Year: 2002
- Level: For everyone
- Language: English
- Subjects: Physics, Astronomy and space
- Source: [Gresham College](https://www.gresham.ac.uk/watch-now/why-do-we-live-three-dimensions-or-do-we)
- 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)

We are aware of 3D space and the fourth dimension of time. But why is it like this? Why would one or two not have been enough? Why not more? Experiments at CERN will seriously be looking for evidence of a fifth dimension. Science fiction or science fact?

## Lectures

1. [Why do we live in three dimensions - or do we?](https://invisiblenetwork.ai/learn/gresham/why-do-we-live-three-dimensions-or-do-we/fb1fdf0f6435) (YouTube)