Christophe Yamahata
@cyamahata.bsky.social
13 followers 43 following 39 posts
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cyamahata.bsky.social
The Stockett Continuous-Motion Breech-Loading Mechanism is an elegant example of mechanical ingenuity. With a single turn of the crank, it completes the full sequence of breech rotation, translation, and pivot.

This YouTube video shows how the breech block moves smoothly through coordinated motion.
Stockett Continuous-Motion Breech-Loading Mechanism for Heavy Guns
YouTube video by Christophe Yamahata
youtu.be
cyamahata.bsky.social
I'm back to silicon microelectromechanical systems
(MEMS) in Neuchâtel, Switzerland.
cyamahata.bsky.social
You are interested in quantum mechanics and come across a lecture given by Richard Feynman in 1964.

Unfortunately, the audio recording is of poor quality, which is common for that period. So you decide to use artificial intelligence

#AI #adobepodcast #physics

youtube.com/shorts/qneJ_...
AI-enhanced Audio: Feynman Lecture on Quantum Mechanics #AI #adobepodcast #voicecloning #physics
YouTube video by Christophe Yamahata
youtube.com
cyamahata.bsky.social
Richard Feynman was a legendary lecturer.

His captivating aura shines in this audio-remastered video on the double-slit experiment: youtu.be/vbn8eMRZUS4

#Feynman #QuantumPhysics
Richard Feynman: Probability & Uncertainty - The Quantum Mechanical View of Nature |Remastered Audio
YouTube video by Christophe Yamahata
youtu.be
cyamahata.bsky.social
🎞️ Just released a new video!

A DIY experiment using a holographic diffraction grating film to observe 𝗙𝗿𝗮𝘂𝗻𝗵𝗼𝗳𝗲𝗿 𝗹𝗶𝗻𝗲𝘀 — the dark absorption lines in the solar spectrum.

Also includes spectrometer measurements, fluorescence with olive oil + blue LED, and a teardown of the Ocean Optics USB2000.
Spectrometer, DIY Experiment & Laboratory Spectrometer | Observing Fraunhofer Lines and Fluorescence
YouTube video by Christophe Yamahata
youtu.be
cyamahata.bsky.social
🌞 It's the summer solstice in the Northern Hemisphere —
the perfect time to try a DIY physics experiment: Observing the Fraunhofer absorption lines of the Sun.

With the naked eye, you can clearly observe dark lines — these are the Fraunhofer absorption lines in the solar spectrum.
DIY: Observing the Fraunhofer absorption lines of the Sun

To carry out this experiment, you’ll simply need:
– Sunshine (clear skies),
– A diffraction grating (e.g., Edmund Optics #54-510),
– A radio antenna (a thin reflective surface works),
– A tube (such as a vacuum cleaner hose).

You'll find the setup in the illustration.

With the naked eye, you can clearly observe dark lines — these are the 
Fraunhofer absorption lines in the solar spectrum.

If your curiosity takes you further, check out the Wikipedia page and the solar spectrum 
curve I recorded using a calibrated optical spectrometer:
🔗 https://en.wikipedia.org/wiki/File:Solar_spectral_irradiance.svg
cyamahata.bsky.social
Mars orbits the Sun in 687 days, nearly twice Earth's 365-day orbital period. Mars' apparent retrograde motion occurs approximately every two years, when Earth catches and passes Mars.

🔗 observablehq.com/@christophe-...
cyamahata.bsky.social
The Sketchfab Viewer API enables dynamic manipulation of embedded 3D models in web applications using