It’s time to be honest about Musk’s vacuum tube to nowhere

  • BoscoBear@lemmy.sdf.org
    link
    fedilink
    English
    arrow-up
    2
    arrow-down
    3
    ·
    11 months ago

    Why is a vacuum (holding a tube in compression and 10-14psi ) harder than pressure (holding the tube in tension at 200-1500 psi).