A special high-definition thermal imaging camera under development can tell when you’re lying, UPI reports.

‘As people lie, there is a massive increase in blood flow around the eyes, and associated with that there is sudden warming around the eyes, where the color changes to white in the thermal imaging system,’ [James Levine, an endocrinologist at the Mayo Clinic in Rochester, Minn.] explained.

[…] researchers made their discovery accidentally three years ago while studying, of all things, gum chewing. They were using the thermal imaging device to study the facial muscles at work to analyze how physical activity affected metabolism.

Some of these cameras are as small as postage stamps — which means you should be able to crush them easily with the heel of your shoe…

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