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Is it too cold in here? Is that music giving you chills of pleasure? Did that self-driving car just nearly give you a heart attack by braking too hard? It’s hard to tell by just looking but a new device that measures goosebumps can tell instantly.

The researchers at KAIST in South Korea have developed a device that can objectively and accurately measure piloerection — goosebumps to you and me. It’s flexible and sticks to the arm kind of like a band-aid, they wrote in the journal Applied Physics Letters. "In the future, human emotions will be regarded like any typical biometric information, including body temperature or blood pressure," said Young-Ho Cho, who led the research.


- Maggie Fox