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Cake day: June 18th, 2023

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  • Non-Euclidean geometry was developed by pure mathematicians who were trying to prove the parallel line postulate as a theorem. They realized that all of the classic geometry theorems are all different if you start changing that postulate.

    This led to Riemannian geometry in 1854, which back then was a pure math exercise.

    Some 60 years later, in 1915, Albert Einstein published the theory of general relativity, of which the core mathematics is all Riemannian geometry.





  • Kilmar Abrego Garcia does not really have a “legal” status, as he has an active final deportation order, with withholding of removal to El Salvador only.

    He can be legally deported to a third country (not El Salvador) that will take him. Pursuant to the supreme court’s decision yesterday, he can apparently be deported to these third countries with no advance notice whatsoever.

    Of course, deportation would make it hard to appear in Tennessee for his felony case. But that hasn’t stopped ICE before. People have been arrested for failure to appear in criminal cases, because they entered ICE detention.



  • Before the 13th amendment, Lincoln formally ended slavery in the Union with the Emancipation Proclamation.

    But even before that, from 1861, the Union Army made it a policy to seize slaves that it captured as contraband (or prize) of war, and then effectively emancipate then.

    In general, even after the emancipation proclamation, slaves did not get actual freedom until the Union forces reached them.

    So it was a complicated and messy process.








  • In normal flight, the pressure differential between the inside and outside is pushing the doors against the frame with thousands of pounds of force. So it’s not possible to open the door.

    If you really want to go sky diving, then be sure to dump the cabin (button is on the flight deck) to equalize the pressures. It will also help to slow down below normal cruising speed. If you do dump the cabin, keep the altitude below 15,000 feet or make an emergency descent to that level. Hypoxia is a beast.


  • This is a really awful tactic:

    1. Immigrant with an ongoing removal case shows up to court date.
    2. At the hearing, the immigration “prosecutor” moves to dismiss the case without prejudice.
    3. The immigration “judge” agrees. The case is dropped.
    4. At this point there is no removal proceeding against the immigrant, and they are free to go.
    5. Out in the hall, ICE arrests the immigrant.
    6. ICE starts expedited removal proceedings which don’t even have court or an immigration “judge.”

    So these people who were previously following the rules, out on parole, are now locked up, and they no longer have access to the flimsy due process of immigration “court”.

    Expedited removal was created by Congress in the 90s, and it was intended to be used at ports of entry, and maybe in the immediate border context, where you see people jumping the fence. But the deadline Congress put on it is two years; anyone in the country less than two years can end up in expedited removal.





  • I am not a lawyer, and I am not your lawyer.

    Off the top of my head, I can’t really see where or how this is illegal in most US jurisdictions. In “at will” states you can be hired or fired at any time for any reason* or no reason. And likewise you can quit at any time for any reason or no reason. If you can be hired or fired based on this scam, you can be promoted or held back based on it.

    Having said that, this is really scammy, and I would not want to work there.

    *except discrimination based on: race, color, religion, sex, national origin, age (>40), or genetics. Likewise, retaliation for unlawful sexual harassment.