Logarithms, Explained – Steve Kelly
View full lesson: http://ed.ted.com/lessons/steve-kelly-logarithms-explained
What are logarithms and why are they useful? Get the basics on these critical mathematical functions — and discover why smart use of logarithms can determine whether your eyes turn red at the swimming pool this summer.
Lesson by Steve Kelly, animation by TED-Ed.



![Private: [ID: fEEC0cKs0FE] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/08/private-id-feec0cks0fe-youtube-a-236x133.jpg)
![Private: [ID: 4SjNAH7rp2I] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/08/private-id-4sjnah7rp2i-youtube-a-236x133.jpg)
![Private: [ID: wpYVyH4VFcU] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/08/private-id-wpyvyh4vfcu-youtube-a-236x133.jpg)
![Private: [ID: R-p4D1Gvw7U] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/08/private-id-r-p4d1gvw7u-youtube-a-236x133.jpg)
![[ID: QnY2N6D3w38] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/07/id-qny2n6d3w38-youtube-automatic-236x133.jpg)
![[ID: 1b0GaWEhrKM] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/07/id-1b0gawehrkm-youtube-automatic-236x133.jpg)