Saturday, December 6, 2025

Dextrous robotic manipulators

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https://youtu.be/zwDXcNT6Zoc?si=DCozUAfdNrkDiNOG Quite a breakthrough - silent fast actuators that doing generate heat.  ...
Friday, December 5, 2025

Some pretty strange bikes

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https://youtu.be/kxs3yNjlzkg?si=UmFI1b_VvEd7vXGE
Thursday, December 4, 2025

How the Chinese qwerty keyboard was developed

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The Wubi effect -  the story of Professor Wang Yongmin, and how he saved Chinese script from the brink of extinction. http...

Bioluminescence explained

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https://radiolab.org/podcast/the-glow-below At 24 minutes - why deep sea creatures flash back bioluminescence when you flash...
Sunday, November 30, 2025

Skillful singing looped

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https://youtube.com/shorts/XcPNSwDSCKc?si=SUknbCMa6Gp2u8i-
Thursday, November 27, 2025

Dendrochronology to determine the age of violins

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https://violin-dendrochronology.com/ Using photographs of tree-ring patterns on the wood to identify the source wood and dat...
Tuesday, November 25, 2025

Fibonacci

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I never knew you could align the mi->km conversion and the Fibonacci sequence.  https://www.facebook.com/share/p/14NimkDoPB2/...

Do Mattresses Really Double in Weight?

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Over years, mattresses can gain a few pounds due to the accumulation of dead skin and dust mites, but they won't double in weight.  A...

Voice actor skills

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https://youtube.com/shorts/f13q5O82ewY?si=205pAnAcby511VvN Same voice actor, various voices for different sales pitches.  ...
Monday, November 24, 2025

Home robots

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https://youtu.be/qDM5N_1QL9k?si=v-rffxGLf_huLsFt This home robotics company starts by recording human movements previously w...

Jet engine turbine design - pushing the limits

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https://youtu.be/QtxVdC7pBQM?si=SMxCdPYqZf4-pIMU 6:12 a 300g turbine blade at full speed generates 20 tonnes of centripetal f...

Thoughts on retiring gradually.

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My contribution to the anesthesia discussion group today. For those of you already retired, what do you think?  I never thought I'...

Novel method to get 3D views from satellites

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https://youtu.be/VWdmXlRpL84?si=MLlYbGQAgQ9kRB2J Using multiple satellite images from slightly off-vertical, they feed the m...
Sunday, November 23, 2025

The Streisand effect

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" Attempts to suppress information  sometimes invoke extensive publicity, becoming viral over the   Internet   or being distributed on ...

Crows trained to pick up garbage in Sweden

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https://youtu.be/TklOxbWfRDM?si=43PC59nC8B1s8SYS Crows are being recruited to pick up discarded cigarette butts from the streets and squares...