What if someone told you that you would never have to wait in a long line at the grocery store ever again. Most people would be thrilled to find out more. In todays times people look to technology to make everyday things in life faster and more effiicient. Inventors and engineers seem to have responsed to this desire yet again with the creation of a radio frequency identification tag.
This super fancy bar code uses ink made with carbon nanotubes to print electronic information on paper or plastic. The ink is a semiconductor and is thus able to store electric charge.Being a semiconductor and not a full conductor is the only way to make sure that information is able to be stored without filitering out. The research done James tour allowed for the creation a coating for the nanotubes to make sure that they are semiconductors. For everyday people this means in a grocery line someone could just run their cart through some kind of scanner and the cashier would instantly have all the information about the groceries within the cart.
The tags have already been proven to be effective as seen in their widespread use on library books and passports. However this are silicon tags with the frequency technology. The ones that will hopefully revolutionize grocery shopping researchers were able to create on paper. With the ability to store 1 bit of information at 3cents compared to 50cents for silicon tags the new invention will be really affordable for food packagers. This could also mean that implementation may not be to far into the future.
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