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Smart polymer could keep an eye on your plastic

Smart polymer could keep an eye on your plastic

作者:尤烂惶  时间:2019-03-05 09:16:02  人气:

By Eugenie Samuel LIGHT-ACTIVATED plastic magnets could replace complex microchips in the smart cards of the future. And as well as storing your credit rating or banking history, the new material could do a host of other jobs. The idea is to combine the easy-to-read nature of bar codes with the vast memory capacity of microchips. Simple magnetic readers could interrogate the cards, while a quick flash of laser light updates them with new information—by subtracting your shopping bill from your bank balance,