Amazing new tech can sense stress and even smell

Technology has come a long way and seems to be becoming more and more futuristic with every day that goes by. Sometimes it's hard to believe that we are walking around with tiny supercomputers in our pockets. But recently at a technology exhibition in Tokyo, they pushed the bar even higher. A few companies have developed sensors that can sense stress levels using some incredible innovation. The way it does that is almost unbelievable.

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