So f*cking cool! This is what lightning looks like trapped in acrylic

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Posted by RagnarLothbrok 4 years ago in Cool videos
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Lichtenberg Figures can be created within solid insulating materials, such as acrylic or glass by injecting them with a beam of high speed electrons from a linear electron beam accelerator. Inside the accelerator, electrons are focused and accelerated to form a beam of high speed particles. Electrons emerging from the accelerator have energies up to 10MeV and are moving an appreciable fraction (95 - 99+ percent) of the speed of light (relativistic velocities). If the electron beam is aimed towards an acrylic specimen, the electrons easily penetrate the surface of the acrylic, rapidly slowing down as they collide with molecules inside the plastic.

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