How to save the world with 3D printing
The first 'Tikkun Olam Make-a-thon' will bring together 230 do-gooder geeks from 10 countries. Their aim: to think up practical solutions to the problems disabled people face.
Sefi Attias is what some might call a geek. At the age of 14, he built a robot to walk behind him and schlep his books to school. In the army, he spent five years as an engineer in an electrical warfare development unit. And just last month, when the lanky, bespectacled 24-year-old Israeli wanted to propose to his girlfriend Tania, a petite 25-year-old cyber intelligence...
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