5 ms·

Also less prone to EMP from nukes.

• protomyth 11y ago
  True, also a well understood technology that they would have no trouble producing.
  • bigiain 11y ago
    I bet it's only "well understood" by a very small group of people in 2015. On the other hand, at least it's _possible_ to make your own at home: http://makezine.com/2008/01/07/make-your-own-vacuum-tube/ http://makezine.com/2008/01/07/make-your-own-vacuum-tube/ I somehow doubt there's many talented amateurs assembling MOSFETs in their garages...
    • protomyth 11y ago
      Perhaps I should have said "institutional experience", but the number of people creating fighter radars at the time were not exactly numerous.