Block-like robots could assemble into emergency staircasesThey can spin, flip and identify each other using barcodes. By S. Dent, 10.30.2019
Toshiba builds scanner that can identify fruit without a barcode, yup (video)By D. Cooper, 03.08.2012
Google Goggles now solves Sudoku, taking an interest in ads, clearly entering middle ageBy V. Savov, 01.11.2011
Microsoft 'Tags' 2 billion real-world objects with its phone-friendly barcodesBy P. Miller, 10.27.2010