3 ms·

Stuff like this isn't just trade secrets, in the US it's often ITAR-controlled and requires a security clearance. There are CFD algorithms that are classified.

Stuff like this isn't just trade secrets, in the US it's often ITAR-controlled and requires a security clearance. There are CFD algorithms that are classified. If you possess this information and plan to move to (or even visit) China, I imagine US immigration will look at you very closely and not simply allow you to leave to go work for Chengdu Aerospace Corporation.

tablespoon 5y ago
> If you possess this information and plan to move to (or even visit) China, I imagine US immigration will look at you very closely and not simply allow you to leave to go work for Chengdu Aerospace Corporation. I don't think the US border control system works like that. If you're a citizen, you never need an exit visa. IIRC, as long as you have a valid passport, you can exit and enter as you please, but if there's probable cause to suspect you of a crime they can arrest you. China's system, on the other hand, does work like that. IIRC, anyone with any authority or access to secrets isn't allowed to have free control over their passport, and they have systems for denying people exit permission.
- r00fus 5y ago
  Do you actually understand how this works or are you theorizing? The no-fly-list exists. Security clearances are tracked.
  - stickfigure 5y ago
    Anyone who has been through civics 101 in the US knows this. Unless there is a warrant out for your arrest, the US government cannot stop a US citizen from leaving the country. Even if somehow you got on the no-fly list, you can take a boat. Or drive/walk across one of the land borders. Perfectly legally. Security clearances are a red herring. The folks working in Intel/TSMC/TI/etc fabs don't have or need security clearances. This is private technology.
    - bigbillheck 5y ago
      > Anyone who has been through civics 101 in the US knows this Anyone who has been through civics 102 in the US knows that there's lots of ways to get your passport taken away, and without one you're not getting far. It looks like Canada's requiring either passports or fancy drivers licenses (only available from some states), and Mexico's at least as strict.
      - tablespoon 5y ago
        > Anyone who has been through civics 102 in the US knows that there's lots of ways to get your passport taken away... But that's irrelevant unless one of those ways is to "possess [ITAR-controlled and requires a security clearance] information," as one of the ancestor comments stated. If that's actually the case, someone should be able to cite law/regulation or provide examples of the practice, but no one has.
  - pyuser583 5y ago
    Folks with security clearances need to inform their employers about any travel plans. If the plans are suspicious, they can lose their clearance. But they won’t be stopped at the border. They might be fired when they return though.

tablespoon 5y ago

> If you possess this information and plan to move to (or even visit) China, I imagine US immigration will look at you very closely and not simply allow you to leave to go work for Chengdu Aerospace Corporation. I don't think the US border control system works like that. If you're a citizen, you never need an exit visa. IIRC, as long as you have a valid passport, you can exit and enter as you please, but if there's probable cause to suspect you of a crime they can arrest you. China's system, on the other hand, does work like that. IIRC, anyone with any authority or access to secrets isn't allowed to have free control over their passport, and they have systems for denying people exit permission.

r00fus 5y ago
Do you actually understand how this works or are you theorizing? The no-fly-list exists. Security clearances are tracked.
- stickfigure 5y ago
  Anyone who has been through civics 101 in the US knows this. Unless there is a warrant out for your arrest, the US government cannot stop a US citizen from leaving the country. Even if somehow you got on the no-fly list, you can take a boat. Or drive/walk across one of the land borders. Perfectly legally. Security clearances are a red herring. The folks working in Intel/TSMC/TI/etc fabs don't have or need security clearances. This is private technology.
  - bigbillheck 5y ago
    > Anyone who has been through civics 101 in the US knows this Anyone who has been through civics 102 in the US knows that there's lots of ways to get your passport taken away, and without one you're not getting far. It looks like Canada's requiring either passports or fancy drivers licenses (only available from some states), and Mexico's at least as strict.
    - tablespoon 5y ago
      > Anyone who has been through civics 102 in the US knows that there's lots of ways to get your passport taken away... But that's irrelevant unless one of those ways is to "possess [ITAR-controlled and requires a security clearance] information," as one of the ancestor comments stated. If that's actually the case, someone should be able to cite law/regulation or provide examples of the practice, but no one has.
- pyuser583 5y ago
  Folks with security clearances need to inform their employers about any travel plans. If the plans are suspicious, they can lose their clearance. But they won’t be stopped at the border. They might be fired when they return though.