Light waves, visible and invisible – Lucianne Walkowicz
View full lesson: http://ed.ted.com/lessons/light-waves-visible-and-invisible-lucianne-walkowicz
Each kind of light has a unique wavelength, but human eyes can only perceive a tiny slice of the full spectrum — the very narrow range from red to violet. Microwaves, radio waves, x-rays and more are hiding, invisible, just beyond our perception. Lucianne Walkowicz shows us the waves we can’t see.
Lesson by Lucianne Walkowicz, animation by Pew36 Animation Studios.



![[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)
![[ID: 5CH8MnBMqig] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/07/id-5ch8mnbmqig-youtube-automatic-236x133.jpg)
![[ID: lp670Q8GbvU] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/07/id-lp670q8gbvu-youtube-automatic-236x133.jpg)
![[ID: 43-fvdzHR20] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/07/id-43-fvdzhr20-youtube-automatic-236x133.jpg)
![[ID: GVouoljRyQE] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/07/id-gvouoljryqe-youtube-automatic-236x133.jpg)