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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 10 months ago

Seconds

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Seconds

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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 10 months ago
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  • uis@lemm.ee
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    10 months ago

    Mass in seconds? How? I get mass in Joules, but seconds?

  • FiskFisk33@startrek.website
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    10 months ago

    angle: seconds

    • uis@lemm.ee
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      10 months ago

      Rads. But radians are fine too.

      • frezik@midwest.social
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        10 months ago

        Tau (τ). A full circle is just 1τ instead of 2π.

        • HeuristicAlgorithm9@feddit.uk
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          10 months ago

          Yeah, but everything else is more annoying. 1+e^i(0.5τ)=0 just doesn’t hit the same

          • frezik@midwest.social
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            10 months ago

            Euler’s identity with tau simplifies to:

            eiτ = 1

            So it’s actually simpler. See: https://tauday.com/tau-manifesto#sec-euler_s_identity

  • ☂️-@lemmy.ml
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    2 months ago

    deleted by creator

  • ComradeSharkfucker@lemmy.ml
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    10 months ago

    Also angles

    Would love to hear how mass is measured in seconds though

    • mkwt@lemmy.world
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      10 months ago

      Set G = 1 and c =1. Then equations like r = 2m make dimensional sense.

      https://en.m.wikipedia.org/wiki/Geometrized_unit_system

      • phdepressed@sh.itjust.works
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        10 months ago

        My brother, that explanation is not nearly dumbed down enough and as with most math wiki is useless for eli5 stuff.

        • mkwt@lemmy.world
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          10 months ago

          I think a lot of people understand the concept of light-seconds, which can measure distance in seconds.

          Allow me to introduce the gravity-second. 1 gravity-second of mass-energy is enough mass-energy to have a Schwarzchild radius of 2 light-seconds.

          • pythonoob@programming.dev
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            10 months ago

            I get what you’re saying but am still too dumb to understand it lol

            • davidgro@lemmy.world
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              10 months ago

              Size of a black hole.

              Certain mass = certain distance

              Distance = seconds

              Therefore mass = seconds

              • uis@lemm.ee
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                10 months ago

                Then I don’t even want to be in same solar system with millisecond heavy object.

                • davidgro@lemmy.world
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                  10 months ago

                  You most certainly don’t, that’s a radius of about 300km (186 miles) and a mass of 101 suns.

                  Even if you meant microsecond, that’s 1/10 of the sun, and would be very disruptive.

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