When Toyota subsidiary Denso originally developed QR codes in their black and white form, they were meant to serve a functional use as a means to track auto parts.

当初日本丰田汽车公司(Toyota)的子公司日本电装公司(Denso)开发出黑白二维识别码只是为了跟踪汽车部件。

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It may not be so functional for use on an airplane.

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They use functional magnetic resonance imaging scans to measure brain responses.

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Dr. Wolinsky said the next study he expects to pursue will use functional MRI imaging to measure changes in the brain in people participating in cognitive-training exercises, he said.

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