Raphaël

@Raphael_Lmz

Rf technician/electronician Interested in:wave propagation,antennae design,gravitational wave,high power magnetic field,aerospace,neuroscience.

france
Vrijeme pridruživanja: prosinac 2011.
Rođen/a 25. studenoga

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    ICYMI: The detection of a neutron star collision in 2017 told us that gravitational waves move at the speed of light. That’s bad news for some theories trying to take down general relativity.

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    Is empty space 'empty'? Fields extend throughout all space. So photons moving through space 'know' about other fields (like the e⁻ field) This 'knowing' is called field interaction, & the leading order correction to the vacuum in E&M is a virtual electron, anti-electron pair

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    Great job. Most people think the water is for fire supression, but it’s not. With well over 3 million pounds of thrust at lift off, a heavy class Vulcan is so loud, that if we let that reflect of the ground and back onto the rocket, it would damage the spacecraft.

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    11. pro 2019.
    Illustration shows a tiny object with a diagonal beam of radiation extending from both poles, orbiting around a larger orange star with a hot wind radiating from its surface.
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    Check out the full launch replay from – including preshow with some great content from Blue

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    10. pro 2019.

    Click to see full pic. One of my bucket list sprite lightning self portraits achieved this spring in Oklahoma. See me in bottom right of pic gazing up :) . See website for new workshop schedules if you'd like to experience this yourself.

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    10. pro 2019.

    From the Dept. of The Distant Future: “Indeed, one of the breakthroughs in this paper is to show a formal mathematical link between the transmission of information across a many-body quantum system and *teleportation through a wormhole in spacetime”

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    10. pro 2019.

    Proton-hydrogen collision model could impact fusion research via

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    Best website on the internet this week:

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

    New images and science from the ionosphere (the region where Earth's atmosphere meets space)! See the first light of our mission ICON, results from our GOLD instrument, and observations of this fleeting, never-before-studied aurora:

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    10. pro 2019.

    Completely invisible, yet unbelievably influential. 💫 Scientists have been baffled by how spiral galaxies like the Milky Way are shaped. ’s infrared observations reveal what human eyes cannot: magnetic fields that follow the spiral arms.

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    10. pro 2019.

    Lithium can now be recycled

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  13. proslijedio/la je Tweet
    , , i još njih 4
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    9. pro 2019.
    Odgovor korisniku/ci

    Assuming they were on EVA during their ‘fall’’ or rather untether event. They would first run out of oxygen and suit life support first. Approximately a couple months later their body would reenter. You could get a sense of how long after by looking up suitsat-1’s reentry timing

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    9. pro 2019.

    What's your thinking about carbon offsets?

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    "We did not see surface waves in these signals in Oklahoma, so we knew it wasn’t an earthquake—but not much more than that."

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    24. lis 2018.
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  18. proslijedio/la je Tweet
    4. pro 2019.

    Heard of 'Ultracapacitors?' Antonio Magnanimo from explains in his article. Give it a read and if you like it, give it a ! Pic Source: Oak Ridge National Laboratory

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    5. pro 2019.

    Gravitational-wave detection just got a fair bit better in a single step (albeit with a lot of preliminary work!), thanks to quantum optics. As advances in instrumentation go, this is a pretty significant one.

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  20. proslijedio/la je Tweet
    5. pro 2019.

    The 19th supply mission to the (expected to launch shortly) is carrying equipment for astronauts to run experiments for European researchers on Earth. One such curious cargo is this...

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