This week, see a clever new way to prevent vote fraud, and learn 7 ways games make your brain feel good.
Japo bado tupo mbali kitekinolojia, pengine juhudi zikifanyika, tutapunguza "uchakachuaji" unaopigiwa kelele kila siku duniani.
David Bismark demos a new system for voting that prevents fraud and miscounting -- while keeping each person's vote secret. Watch now >>
David Bismark: E-voting without fraud | Video on TED.com
Japo bado tupo mbali kitekinolojia, pengine juhudi zikifanyika, tutapunguza "uchakachuaji" unaopigiwa kelele kila siku duniani.
David Bismark demos a new system for voting that prevents fraud and miscounting -- while keeping each person's vote secret. Watch now >>
David Bismark: E-voting without fraud | Video on TED.com