China has made the world's fastest unmanned boat, reported Science and Technology Daily.The unmanned boat, Tianxing 1, is a gas-electric hybrid boat with a maximum speed of over 50 knots (92.6 kilometers per hour). It is 12.2 meters in length, with a full load displacement of 7.5 tons.The boat was jointly developed by Harbin Engineering University and Shenzhen Hispeed Boats Technology, the largest official speedboat manufacturer in China. custom silicone braceletstrio spinners24hr wristbandwristband sportswristband keychainuv bracelet
