Engineer Alex Bygrave, 27, has developed the first-ever multi-barrel water pistol from scratch, using 55 separate parts from everyday life. A black cab’s windscreen wiper provides its rotary motion and a walking pole handle makes the pump, with most of the parts fitted together using self-setting silicone rubber Sugru. Carbon Dioxide welding canisters are used to pressure two… Continue reading The World First Multi-Barrel Water Pistol