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

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  • At least in the US, tipping is the accepted way that we compensate certain people for their time.

    If you habitually never tip, you are not paying for the service that you receive in good faith. This is theft of service.

    If you don’t like tipping, patronize places that include the tip in the bill. Tell restaurant owners to change their pay structure to avoid it. It won’t be changed by you individually shirking your obligation to pay.


  • Your choice not to tip will make no difference to the company, but every difference to a person who suffers through customer service for a living.

    “I don’t want to subsidize a company” is just you inventing a convenient way to justify what is essentially theft. Why stop at not tipping? You could probably get away with stealing IDK, playground equipment too.




  • Yeah, but he also brought Treebeard to Isengard, leading the ents to overthrow Saruman. Did that not make the list?

    He did plenty. In the movie he lit the beacon to call Rohan. Fought in the battle for Minas Tirith, where he saved Gandalf’s life. Saved Faramir’s life. Saved Merry’s life.

    Sauron himself questioned Pippin and came away with the conclusion that he should apply his army and attention toward Minas Tirith and Gondor rather than continuing to look for the real ring-bearer right under his nose. Essentially made the entire gambit with Frodo possible.

    This has been a pro-Pippin PSA







  • 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.