# Cosmic Concepts

- Institution: Gresham College
- Speaker: Professor Katherine Blundell OBE
- Year: 2019
- Level: For everyone
- Language: English
- Subjects: Physics, Astronomy and space
- Source: [Gresham College](https://www.gresham.ac.uk/watch-now/series/cosmic-concepts)
- 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)

This talk will explain how the speed of light was first measured, and how an obscure but brilliant patent clerk in Bern, Switzerland by the name of Albert Einstein deduced that the speed of light is the upper speed limit for everything in the Universe.

## Lectures

1. [Faster than Light?](https://invisiblenetwork.ai/learn/gresham/series-cosmic-concepts/29802c03e1e2) (YouTube)
2. [Frozen in Time?](https://invisiblenetwork.ai/learn/gresham/series-cosmic-concepts/35974d2aacfe) (YouTube)
3. [The End of Matter?](https://invisiblenetwork.ai/learn/gresham/series-cosmic-concepts/005ddb21c04b) (YouTube)
4. [Shapes of Free Fall](https://invisiblenetwork.ai/learn/gresham/series-cosmic-concepts/dbc9eabe8d56) (YouTube)
5. [Simple Laws, Spectacular Astrophysics](https://invisiblenetwork.ai/learn/gresham/series-cosmic-concepts/759ff0f9556f) (YouTube)
6. [Perceptions, Expectations, and Discoveries](https://invisiblenetwork.ai/learn/gresham/series-cosmic-concepts/1863c8bd744f) (YouTube)