@taetaetoofs@lemmy.world was talking about tornadoes and it was really interesting, figured I’d see what other cool things we all know

  • Deestan@lemmy.world
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    11 months ago

    When projecting a movie, presentation or whatever onto a canvas, anything you see as black (text, etc) is just the pure plain white without light shining on it.

    Turn the projector off and the parts that looked black a second ago now look chalk white with no changes done to that part.