barcodes

  • Giz Explains: How QR Codes Work, And Why They Suck

    QR codes are a technology that desperately wants our attention. They appear everywhere from supermarket shelves and magazines to hiking trails and tombstones. Never heard of a QR code? You’re looking at one right now. Scan the image at the top of this article, and it will open a link to the mobile version… of…


  • Use Barcodes To Play A Piano

    Ignore the overwrought, coming-of-age-type soundtrack and you’ll see a rather neat idea: a musical instrument that plays music by “reading” barcodes. The Barcode Piano consists of tiles and a board. Each tile is associated with a number which triggers a certain tune. You can arrange the tiles in preset songs or any random way you’d…