GNU social JP
  • FAQ
  • Login
GNU social JPは日本のGNU socialサーバーです。
Usage/ToS/admin/test/Pleroma FE
  • Public

    • Public
    • Network
    • Groups
    • Featured
    • Popular
    • People

Embed Notice

HTML Code

Corresponding Notice

  1. Embed this notice
    teknomunk (teknomunk@apogee.polaris-1.work)'s status on Thursday, 03-Aug-2023 00:03:31 JSTteknomunkteknomunk
    in reply to
    • Alex Gleason
    @alex

    The frequency that quartz crystals oscillate at is dependent on the thickness of the crystal and the crystal orientation.

    Here is a WWII documentary on how these crystal oscillators were manufactured for radio applications: https://www.youtube.com/watch?v=wHenisSTUQY
    In conversationThursday, 03-Aug-2023 00:03:31 JST from apogee.polaris-1.workpermalink

    Attachments

    1. Crystals Go to War, 1943
      from Awareness Bureau
      A story in pictures of the preparation and manufacture of quartz crystals for radio communication. Narration by one of the research scientists of the U.S. Ar...
  • Help
  • About
  • FAQ
  • TOS
  • Privacy
  • Source
  • Version
  • Contact

GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.