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Joined 2 years ago
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Cake day: June 11th, 2023

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  • Nukes and earthquakes look very different on a seismometer.

    Firstly, the waveforms look very different. While an earthquake generates strong S-Waves, the seismograms of underground nuclear test lack most of these waves. Instead, the P- (or primary or pressure) waves dominate the seismogram from the detonation of an atomic bomb below ground (see figure 1).

    A second way to distinguish between the origins of the elastic waves is to analyze the data collected by many stations in what is known as a “Moment Tensor Solution.” By performing this computation, seismologists trace the elastic waves back to their origin. That not only pinpoints the precise location of the focus, it also shows the mechanism of the forces initially shaking the rocks. During an earthquake, rock breaks in a shear fracture, which results in the rapid sideways movement of two flanks of a fault. In an explosion, however, the origin is indeed a point, from which elastic pressure waves travel concentrically outward.

    If they used a nuke, they would not be able to keep it a secret.









  • Your quote is included in this Financial Times piece (archived version) but it’s immediately followed sorry, preceded by my favorite. And by favorite, I mean one of the most vile things I’ve ever heard.

    One former Cigna executive recalled how the US health insurer used to frequently face threats when claims were denied. “We’d have times when you’d deny proton laser therapy for a kid with seizures and the parent would freak out,” said the former executive.

    Proton Laser Therapy is used to precisely kill tumors. You know, like tumors in a brain that are causing seizures. How dare those parents “freak out” just because you are refusing to cover their child’s cancer treatment? These fuckers are completely out of touch. They honestly think they have the moral high-ground letting kids die in order to increase shareholder value. I now really understand why the guillotine was invented.