Sunday, October 1, 2023

Sundays are sluggish. Here's some totally useless information...


And I don't even care if it's true...




2 comments:

  1. They scan both. The return signal is high over the white parts, and low over the black parts. The difference between high and lows gives you a sequence of edges, which is decoded in time like Morse Code. Saying "they scan only the white parts" is like saying you scan only boobs when you look at a female.

    Of course, for some that may be the case.

    ReplyDelete
  2. barcode scanners be racist!

    ReplyDelete

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