J. B. Straubel has a two-inch-long scar that cuts across the middle of his left cheek. He earned it in high school, during a chemistry class experiment. Straubel whipped up the wrong concoction of chemicals, and the beaker he was holding exploded, throwing off shards of glass, one of which sliced through his face.

…

…

…

 

>> 网页版功能未完善，完整内容，请使用微信小程序。