Ciro Santilli @cirosantilli 40

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Fizeau's determination of the speed of light with a rotating cogwheel Updated 2025-07-16

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Mars Updated 2025-07-16

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Mercury (planet) Updated 2025-07-16

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Quantum field theory lecture by Tobias Osborne (2017) / Lecture 5 Updated 2025-07-16

www.youtube.com/watch?v=fnMcaq6QqTY&list=PLDfPUNusx1EpRs-wku83aqYSKfR5fFmfS&index=5

something about finding a unitary representation of the poincare group

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SQL set returning function Updated 2025-07-16

PostgreSQL: www.postgresql.org/docs/current/functions-srf.html

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Division of human types by two Updated 2025-07-16

tipitaka.fandom.com/wiki/Puggala-Pannatti-Chap.2

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Earth Updated 2025-07-16

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python/typing_cheat/protocol.py Updated 2025-07-16

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Interferometer Updated 2025-07-16

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Jupiter Updated 2025-07-16

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Law enforcement in the United States Updated 2025-07-16

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Neptune Updated 2025-07-16

Quite cool how it was discoverd by the perturbation of Uranus' orbit.

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Optical fibre Updated 2025-07-16

The Story of Light by Bell Labs (2015)

Source. A ultra quick and Bell Labs focused overview of the development of optical fibre.

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Uranus Updated 2025-07-16

The first planet not known since antiquity.

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Venus Updated 2025-07-16

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Which two persons are hard to satisfy? Updated 2025-07-16

tipitaka.fandom.com/wiki/Puggala-Pannatti-Chap.2:

He who stores up whatever he gets and he who gives away whatever he gets - these two persons are hard to satisfy.

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Cambridge Quantum Computing Updated 2025-07-16

In 2015, they got a 50 million investment from Grupo Arcano, led by Alberto Chang-Rajii, who is a really shady character who fled from justice for 2 years:

Merged into Quantinuum later on in 2021.

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Chloe Wojin Updated 2025-07-16

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Quantum field theory lecture by Tobias Osborne (2017) / Lecture 4 Updated 2025-07-16

www.youtube.com/watch?v=fnMcaq6QqTY&list=PLDfPUNusx1EpRs-wku83aqYSKfR5fFmfS&index=4

quantization. Uses a more or less standard way to guess the quantized system from the classical one using Hamiltonian mechanics.
youtu.be/fnMcaq6QqTY?t=1179 remembers how to solve the non-field quantum harmonic oscillator
youtu.be/fnMcaq6QqTY?t=2008 puts hats on everything to make the field version of things. With the Klein-Gordon equation Hamiltonian, everything is analogous to the harmonic oscilator

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Quantum field theory lecture by Tobias Osborne (2017) / Lecture 8 Updated 2025-07-16

www.youtube.com/watch?v=ARes2YJNFds&list=PLDfPUNusx1EpRs-wku83aqYSKfR5fFmfS&index=8

Interactions.

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