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  2. Commonly used gamma-emitting isotopes - Wikipedia

    en.wikipedia.org/wiki/Commonly_used_gamma...

    It has a half-life of 30 years, and decays by beta decay without gamma ray emission to a metastable state of barium-137 (137m Ba). Barium-137m has a half-life of a 2.6 minutes and is responsible for all of the gamma ray emission in this decay sequence. The ground state of barium-137 is stable. The photon energy (energy of a single gamma ray) of ...

  3. Blender (software) - Wikipedia

    en.wikipedia.org/wiki/Blender_(software)

    This added complexity makes computing each ray slower but reduces noise in the render, especially in scenes dominated by direct (one-bounce) lighting. This was removed in Blender 3.0 with the advent of Cycles X, as improvements to the pure path tracing integrator made the branched path tracing integrator redundant [ 63 ]

  4. Wikipedia:CHECKWIKI/WPC 090 dump - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:CHECKWIKI/WPC...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  5. Light - Wikipedia

    en.wikipedia.org/wiki/Light

    where θ 1 is the angle between the ray and the surface normal in the first medium, θ 2 is the angle between the ray and the surface normal in the second medium and n 1 and n 2 are the indices of refraction, n = 1 in a vacuum and n > 1 in a transparent substance.

  6. 1 + 2 + 3 + 4 + ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    One can then prove that this smoothed sum is asymptotic to ⁠− + 1 / 12 ⁠ + CN 2, where C is a constant that depends on f. The constant term of the asymptotic expansion does not depend on f: it is necessarily the same value given by analytic continuation, ⁠− + 1 / 12 ⁠. [1]

  7. Project Excalibur - Wikipedia

    en.wikipedia.org/wiki/Project_Excalibur

    Comparing a ruby laser that operates at 694.3 nm to a hypothetical soft X-ray laser that might operate at 1 nm, this means the X-ray transition is 694 3, or a little over 334 million times less likely. To provide the same total output energy, one needs a similar increase in input energy.

  8. 1:12 scale - Wikipedia

    en.wikipedia.org/wiki/1:12_scale

    Queen Mary's Dolls' House. The 1:12 scale is a traditional scale (ratio) for models and miniatures. In this scale (ratio), one inch on the scale model or miniature is equal to twelve inches on the original object being copied.

  9. List of music software - Wikipedia

    en.wikipedia.org/wiki/List_of_music_software

    OS X Linux MID MOD XM IT S3M; Renoise: 7 May 2024 () Proprietary: Yes Yes Yes Load Load Load Load No Yes Yes OpenMPT: 22 September 2024 BSD: Yes Yes-Wine Yes-Wine Yes Yes Yes Yes Yes Yes Yes SoundTracker: 1 October 2023 () GPL No No Yes No Yes Yes No No No No MilkyTracker: 5 July 2023 () GPL Yes Yes Yes No Yes Yes Load Load No Yes