Angel M. Nunez

@angelnunhez

Physics teacher trainee. Researcher interested in Nonlinear Dynamics and Statistical Physics. Computational Fluid Dynamics engineer.

Vrijeme pridruživanja: lipanj 2011.

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  1. proslijedio/la je Tweet
    2. velj

    Here's a visual proof that (2a+1)²=8Tₐ+1, where Tₐ is a triangle number Tₐ = 1+2+...+a ⚫️🔴🔴🔴🔴⚫️⚫️⚫️⚫️ ⚫️⚫️🔴🔴🔴⚫️⚫️⚫️🔴 ⚫️⚫️⚫️🔴🔴⚫️⚫️🔴🔴 ⚫️⚫️⚫️⚫️🔴⚫️🔴🔴🔴 🔴🔴🔴🔴🔵🔴🔴🔴🔴 🔴🔴🔴⚫️🔴⚫️⚫️⚫️⚫️ 🔴🔴⚫️⚫️🔴🔴⚫️⚫️⚫️ 🔴⚫️⚫️⚫️🔴🔴🔴⚫️⚫️ ⚫️⚫️⚫️⚫️🔴🔴🔴🔴⚫️

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  2. proslijedio/la je Tweet

    An astrophotographer has clicked an exceptional video, wherein we can feel the rotation of the earth Using a tracking mount, aligned with North Star, he kept clicking images every 12 seconds for the next 3 hours. The camera is looking at the same portion of the Milky Way Fab!

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  3. proslijedio/la je Tweet
    15. sij

    Do you want to bet on a startup? Look at its position in the whole network. Our paper "Predicting success in the worldwide startup network" is finally out! w/ P.Panzarasa S.Liverani and .

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  4. 15. sij
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  5. proslijedio/la je Tweet
    3. sij

    I'm biased here, but this is one of the strongest visual illusions I have ever seen. None of the colored lines are moving.

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  6. proslijedio/la je Tweet
    2. sij

    Exercise is well known to have positive effects on the aging brain. New research hints at why this is the case. Also in the January 2020 issue, Scientific American kicks off our 175th anniversary year:

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  7. proslijedio/la je Tweet
    2. sij

    (1) tuning fork vibrates (2) nearby air molecules vibrate (3) this causes other nearby air molecules to vibrate & so on.. (4) vibrating air wiggles other tuning fork (5) ball goes boop

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  8. proslijedio/la je Tweet

    Lets see if we can verify this equation with the following variables: α = “number of likes” β = “number of retweets”

    Ovo je potencijalno osjetljiv multimedijski sadržaj. Saznajte više
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  9. proslijedio/la je Tweet
    27. pro 2019.

    El fascinante efecto Mould

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  10. proslijedio/la je Tweet
    28. pro 2019.

    The Drake Equation (are we alone in the universe) does not take into account the uncertainty in the parameters. "Dissolving the Fermi Paradox" does.

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  11. proslijedio/la je Tweet

    How Earth's orbit around the Sun actually looks like if the Sun's movement is considered.

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  12. proslijedio/la je Tweet

    There is a VERY FAST new version of my MATLAB code for the VISIBILITY network construction (weighted and unweighted)! Computing time is now reduced by 1.5 times for random signals and even 10 times for structured signals! Try it at:

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  13. proslijedio/la je Tweet
    3. pro 2019.

    When scientists put slime mold over a map of Tokyo, with food used to represent urban areas, and after a day the mold created a network nearly identical to Tokyo's rail network: all this without any brain

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  14. proslijedio/la je Tweet
    29. stu 2019.

    What's "free energy"? I don't mean energy you get for free. I mean the concept from physics: roughly, energy that you can use to do work. More precisely, free energy is energy that you can use to do work at constant temperature. But why the fine print? (1/n)

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  15. proslijedio/la je Tweet
    29. stu 2019.

    Turbulent air flow around the landing gear of a Boeing 777X. This took over 1 million processor hours to simulate. SC17 demo:

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  16. proslijedio/la je Tweet

    In our second training year, NMAPS is delighted to be training 3% of Physics teachers in England. We are determined to be part of the solution, encouraging more great physicist into teaching. Come on physicists England's young people need you!

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  17. proslijedio/la je Tweet
    22. stu 2019.

    I'm falling in love with random permutations. The average length of the longest cycle in a random permutation of a huge n-element set approaches the "Golomb-Dickman constant" times n. (1/n)

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  18. proslijedio/la je Tweet
    22. stu 2019.

    I kind of fell in love with Julia Robinson while I was writing this article about her in honor of her centennial. A great mathematician and by all accounts a lovely human.

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  19. proslijedio/la je Tweet
    17. stu 2019.

    The FEYNMAN technique of learning: STEP 1 - Pick and study a topic STEP 2 - Explain the topic to someone, like a child, who is unfamiliar with the topic STEP 3 - Identify any gaps in your understanding STEP 4 - Review and Simplify! 🧠

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  20. proslijedio/la je Tweet
    16. stu 2019.

    Normalmente se explica la aceleración normal con ejemplos de este tipo pero nunca se ven en vivo. Una pelota atada a una cuerda realiza un movimiento circular, cuando se libera la cuerda se pierde la aceleración normal y la bola prosigue de forma rectilínea con la dirección tan.

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