by Mary KULUNDU Agence France Presse Nairobi, Kenya (AFP) — Twoportraits of Albert Einstein hang on the walls of a makeshift laboratory on Nairobi’s outskirts, inspiring a pair of self-taught Kenyan innovators who have built a bio-robotic prosthetic arm out of electronic scrap. Cousins Moses Kiuna, 29, and David Gathu, 30, created their first prosthetic arm in 2012, after their neighbour lost a limb in an industrial accident. But their latest invention is a significant […]