New Barcodes use light to store data

Ever wonder why they don’t make barcodes easier to read on packages? Sometimes it takes several tries to get a bag of chips to blip. But at MIT the barcode is getting a makeover. Using a small lens (3mm) and LED the new Bokode stores ridiculous amounts of data in a 3D optical layering. The best news is this new optical barcode can be read from up to several meters away meaning no more waiting in line while the store clerk tries countless times to scan those chips.

http://web.mit.edu/newsoffice/2009/barcodes-0724.html

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