The dragonfly microdrone (microaerial vehicle) weighs 120 milligrams (. 004 ounce), is six centimeters (2.4 inches) wide, and has wafer - thin silicon wings that flap when powered by electricity
Robot terbang mikro berbentuk capung beratnya 120 miligram, lebarnya enam sentimeter, dan memiliki sayap silikon tipis yang mengepak sewaktu dialiri listrik