You are viewing a single comment's thread from:

RE: TIL The Vending Machine Was Invented By Heron of Alexandria

in STEMGeeks • last year

That is quite interesting. Using the coin to balance how much water sounds like a valid way to make sure that people got what they put in.

last year in STEMGeeks by
100%
    -100%

      Downvoting a post can decrease pending rewards and make it less visible. Common reasons:

      • Disagreement on rewards
      • Fraud or plagiarism
      • Hate speech or trolling
      • Miscategorized content or spam

      Submit
      0.00 ARCHON
        3 votes
        Reply 1
        Sort:  
      • Trending
        • [-]
         last year 

        !pimp

        100%
          -100%

            Downvoting a post can decrease pending rewards and make it less visible. Common reasons:

            • Disagreement on rewards
            • Fraud or plagiarism
            • Hate speech or trolling
            • Miscategorized content or spam

            Submit
            0.00 ARCHON
              Reply