Light, vision, and photography: Revision history

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22 March 2022

15 March 2022

19 November 2017

12 November 2017

27 November 2015

26 November 2015

23 November 2015

5 September 2015

  • curprev 07:5307:53, 5 September 2015Michaelf talk contribs 7,456 bytes +7,456 Created page with "= Waves = * An electro-magnetic (EM) wave is a signal carrying energy through space/time, with a physical value at each space-time point given by the strength of its electrica..."