ISTANBUL A Chinese research team has developed the world’s smallest and lightest wireless amphibious robot, capable of transforming into any desired shape, The Global Times reported Sunday. The robot, developed by researchers at Tsinghua University, measures 9 centimeters (3.5 inches) in length and weighs just 25 grams (0.88 ounces). It can reach speeds of up to 1.6 meters (5.2 feet) per second on land. The team recently designed a miniature actuator that allows microrobots to continuously