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  1. Embed this notice
    TÔ DE MUDANÇA (augustocc@social.br-linux.org)'s status on Thursday, 27-Feb-2025 06:54:26 JST TÔ DE MUDANÇA TÔ DE MUDANÇA

    📡 #NaData de hoje, mas em 1935, o físico escocês Robert Watson-Watt demonstrou a autoridades aeronáuticas da Inglaterra uma nova tecnologia, que ele chamava de Radio Detection And Ranging.

    Quando a Segunda Guerra Mundial chegou, logo depois, essa tecnologia acabou se popularizando, e passou a ser chamada pela sigla que depois virou nome: RADAR.

    A princípio um grande segredo militar e exclusividade dos Aliados, o radar foi um diferencial importante para a derrota dos fascistas no conflito.

    In conversation about 4 months ago from social.br-linux.org permalink

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    1. https://cdn.masto.host/socialbrlinuxorg/media_attachments/files/114/071/247/157/951/975/original/e652a1c4fe44b0d9.jpg
    • Embed this notice
      Xenotar (xenotar@mastodon.social)'s status on Thursday, 27-Feb-2025 11:11:12 JST Xenotar Xenotar
      in reply to
      • Renato, aka Krull

      @rnbastos os radares da 2a guerra não eram assim, pareciam antenas de rádio
      Aqui tem uma foto
      https://www.science20.com/chatter_box/british_radar_ww2_sir_robert_watsonwatt-111296

      In conversation about 4 months ago permalink

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      1. Domain not in remote thumbnail source whitelist: www.science20.com
        British Radar In WW2 - By Sir Robert Watson-Watt
        British Radar in WW2 -  by Sir Robert Watson-WattI am pleased to be able to publish here in my blog a historical document of some importance: a short history of radar by Sir Robert Watson-Watt.  The document - reproduced below these introductory comments - includes some information and images which have not, to the best of my knowledge, b
    • Embed this notice
      Renato, aka Krull (rnbastos@mas.erb.pw)'s status on Thursday, 27-Feb-2025 11:11:13 JST Renato, aka Krull Renato, aka Krull
      in reply to

      @augustocc ah, sim, ta camuflado, então ta '"muito discreto", não dá nem pra ver

      In conversation about 4 months ago permalink

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