These brothers built a mine-sweeping drone
Brothers Massoud and Mahmud Hassani

To clear land mines without casualties Courtesy of the Hassani brothers Brothers' Sweeper Brothers Massoud (on the right) and Mahmud (on the left) Hassani test out a Mine Kafon Drone Brothers Massoud and Mahmud Hassani grew up in Kabul, Afghanistan, knowing that one wrong step could end their lives. “When we walked to school, we had…