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Cake day: July 9th, 2023

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  • IME no one is immune to gym odors. There are still many fats and proteins secreted by non-apocrine glands that are digestible by bacteria, so to eliminate body odor entirely we would probably need to evolve strong antimicrobial secretions or something.

    Sweat rinses much of this bacteria-food off of us, but since we started wearing clothes it just transports the bulk of it to what we’re wearing (now stinky gym clothes).

    That’s why showering before a workout is so effective for controlling gym odors: most of the bacteria and its food ends up in the drain rather than your clothes. Showering after is then mostly to rinse off salt.

    Anyway I imagine the times you’ve smelled people after the gym were simply the times they skipped that pre-workout shower.


  • My apologies, I missed a few of your questions at the end.

    • Yes, any USB4 rated cable can carry the TB protocol at whatever distance it’s rated for, otherwise it isn’t USB4.
    • Likewise any TB3 cable should work for your application, if it’s actually TB3 rated.
    • 3m is generally the max length I’ve seen. The theoretical limit may be higher but I suspect latency of the cable itself becomes a problem for PCIe tunneling, which is still a synchronous interface TMK.
    • The TB controllers decide whether your cable is sufficient. They will negotiate a link if they can both verify a nominal link speed/multiple. So the lower rated USB cables won’t work for PCIe tunneling, even if your ultimate bandwidth requirements are minimal.

    A few things to note if you’re shopping on places like AliExpress, eBay, Amazon, etc:

    • Be wary of any long (active) TB/USB cable that’s cheaper than $30.
    • Be wary of any cable that has a small connector, like one you would use to charge your phone, because the TB/USB4 connector itself must house an active signal repeater chip, making them chunkier and/or longer than usual.
    • Similarly, the shielding requirements are fairly substantial, so the cable itself should be beefier than most USB cables.
    • IME generally, PCIe over TB/USB can sometimes just be finicky. Of the 12 or 13 cables I’ve used with various combinations of machines, enclosures, docks and risers, there are occasionally some combinations that just don’t play nice, for whatever reason.