Comment on We could build a solar lazer with a ton of mirrors

Multiplexer@discuss.tchncs.de ⁨3⁩ ⁨days⁩ ago

• ZoteTheMighty@lemmy.zip ⁨3⁩ ⁨days⁩ ago

  I think his argument only holds for lenses.

  source

  • Multiplexer@discuss.tchncs.de ⁨3⁩ ⁨days⁩ ago

    Read the “What if”, it is really interesting!

    It explains why this holds for any optical system, including mirrors, showing it with a whole bunch of wildly different explanation approaches.

    I even understood one or two of those… ;-)

    source