Why do things fade in the sun?

#081 Rebroadcast

The sun. It's nice, it's warm, it helps things grow, it helps us see, it helps us exist in the first place. But it's also a massive burning molten ball of radiation and ultraviolet rays. So how does our mysterious yellow friend fade the poor items we leave outside? Let's find out. Don't hurt us, yellow friend.

 

 

References from this episode

1. https://www.loc.gov/everyday-mysteries/item/why-does-ultraviolet-light-cause-color-to-fade/
2. https://www.sciencedirect.com/topics/chemistry/photodegradation
3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4320144/
4. https://www.sciencedirect.com/science/article/pii/S1011134404000375?via%3Dihub

 

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