Graphic designer Emma Lawton was diagnosed with Parkinson's disease at age 29. The trembling it caused made it impossible for her to draw, so she turned to inventor Haiyan Zhang for help.
The special pen Zhang developed made all the difference in the world. It was well worth the effort to see Emma draw again. The device is even named after her. -via Nag on the Lake
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curious story with a happy ending =^)
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