01:30Can you see the grey box? Sensory adaptation explained by Kit Yates #sciencedemo #optical #sensory
The Royal Institution
Download a free audiobook and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- Bizarre things happen in dreams: you fly, or conjure an all-you-can-eat buffet out of thin air, or get chased by witches through the halls of your school. But the strange things that happen in dreams don’t seem strange at the time. So, how do you know you’re not in a dream right now? Is there a way to prove that you're awake? Daniel Gregory digs into the philosophical theories of wakefulness. Lesson by Daniel Gregory, directed by Daniel Stankler. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/how-do-you-know-you-re-not-dreaming-daniel-gregory Dig deeper with additional resources: https://ed.ted.com/lessons/how-do-you-know-you-re-not-dreaming-daniel-gregory#digdeeper Animator's website: http://danstan.co.uk ---------------------------------------------- Thank you so much to our patrons
Published 2022-03-22 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.
01:30The Royal Institution
34:40
45:25
58:58
04:59
33:29
29:29BBC Learning English
Allow Google Analytics to measure visits. Your history stays in your browser. Privacy details