• 2 Posts
  • 18 Comments
Joined 1 year ago
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Cake day: June 11th, 2023

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  • Is it feasible? Sure. The limit on this kind of calculation is basically how much detail do we need to add to the environment (i.e., can we make the model) and how high resolution does the sound wave need to be (can we calculate it given finite compute resources).

    To get something that roughly sounds like a rock? Not difficult to model or calculate, if we make some reasonable assumptions.

    The sound of a wet towel thrown in the water during a hailstorm? Uhhh that’s a tough one.

    Simulating sound uses classical mechanics governed by the wave equation, which is well-understood. In terms of CPU power, the calculation to propagate a simple sound wave (wavelet) could probably have been done on a TI-89 calculator from high school.







  • It all depends on what you mean by affect. Two em waves in the same space will have a different overall amplitude at any frequency.

    If you mean as in the overall color of light, that will change based on how much/what frequency waves are combined. Think about adding a bit of black sand to a jar of white sand – from a distance it will appear grey but the actual colors of individual grains of sand (frequency of “individual” em waves) won’t change.

    For wifi, data transmission is via phase modulation of the em wave, so the signal is resilient against adding different frequencies/amplitudes but may suffer if the same frequency is transmitted at a different phase.









  • I think law enforcement can break into your home if they have a court warrant, right? So why not allow the same thing with electronic communications?

    For me, the reason to disallow it is the potential for abuse. There were 864 search warrant applications across all federal agencies in 2022. In 2020, the FBI, specifically, issued 11504 warrants to Google, specifically, for geofencing data, specifically. Across all agencies there are probably millions of such “warrants” for data.

    It’s far easier to access your data than your house, so comparing physical and cybersecurity doesn’t really make sense.

    In general, criminals can easily just move to an uncompromised platform to do illegal stuff. But giving the govt easy access to messaging data allows for all kinds of dystopic suppression for regular people.