Updated September 2026, 2 weeks ago
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Business, Innovation and Managing Life (November 19, 2025)
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![Science & Technology Q&A for Kids (and others) [Part 164]](https://i.ytimg.com/vi/VSOkPO1AaPA/mqdefault.jpg "Science & Technology Q&A for Kids (and others) [Part 164]
Stephen Wolfram hosts a live and unscripted Ask Me Anything about science and technology for all ages. Find the playlist of Q&As here: https://wolfr.am/youtube-sw-qa
Originally livestreamed at: https://twitch.tv/stephen_wolfram
If you missed the original livestream of this episode, feel free to submit a question you would like Stephen to answer in a future Q&A livestream here: https://wolfr.am/12cczmv5J
00:00 Start stream
1:07 SW starts talking
2:25 Why are newer lightbulbs so much more efficient than older ones? They both turn electricity into light (energy)...
26:13 If humans saw in a completely different wavelength range, would our physics look different?
32:55 Why did humans never develop night vision?
46:33 Why are infrared and ultraviolet on opposite poles when red is a component of violet?
54:07 cats have a sort of mirror in the back that redirects lost photons, that is why the eyes glow in the dark
55:34 Are we basically doing fourier transform in our brains to recognize colors?
58:12 What energetic levels are required to achieve a black body spectrum?
1:04:09 Is there a way to train ai to assemble structures at the nanoscale so that light reflects off of the item as a whole and have it show visual effects realistically, like fire, gems, etc?
1:12:23 Why is depth perception affected when you lose sight in one eye?
1:14:42 Why do optical illusions fool our brain?
1:18:31 End stream
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![Mathematical Games Hosted by Ed Pegg Jr. [Episode 43: Square Packing]](https://i.ytimg.com/vi/VcvbYGZp-dU/mqdefault.jpg "Mathematical Games Hosted by Ed Pegg Jr. [Episode 43: Square Packing]
Join Ed Pegg Jr. as he explores mathematical games and puzzles.
Eds presentation nb on Wolfram Community: https://community.wolfram.com/groups/-/m/t/3759587
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![Live CEOing Ep 981: Language Design in Wolfram Language [Graphic Issues]](https://i.ytimg.com/vi/W-nBZl1GXi4/mqdefault.jpg "Live CEOing Ep 981: Language Design in Wolfram Language [Graphic Issues]
In this episode of Live CEOing, Stephen Wolfram discusses upcoming improvements and functionality to Wolfram Language. If youd like to contribute to the discussion in future episodes, you can participate through this YouTube channel or through the official Twitch channel of Stephen Wolfram here: https://www.twitch.tv/stephen_wolfram
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Contribute to the official Wolfram Community: https://community.wolfram.com
Stay up-to-date on the latest interest at Wolfram Research through our blog: https://blog.wolfram.com
Follow Stephen Wolframs life, interests, and what makes him tick on his blog: https://writings.stephenwolfram.com/")
