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The project Smoke Eraser can solve the second-hand smoke problem !
Smokers wear Smoke Eraser on their fingers which hold cigarettes like wearing a ring. There are some small air exaust devices inside Smoke Eraser which can inhale the smoke near the ring.
After the smoke gets into Smoke Eraser, the filter inside will clean it and turn the smoke into clean air, then give it back to the environment.
Some more things special about Smoke Eraser is that the power all it needs is from solar energey, so users do not have to worry about batteries. And, if the filter is too dirty to absorb anything from smoke, you can change it by just a press!
Taipei City, Taiwan
Tzu-Wei / Lin Kuan-Fu / Chen