SPIDERMAN does it, so does James Bond. Now a gadget has been developed to allow US marines to zip up the sides of buildings or ships with virtually no effort.
All you do is fire a rope to the top of the structure using a harpoon gun or grappling hook, and then fit the rope into the device, called PowerQuick, which attaches to your climbing harness. Then just sit back and squeeze a lever.
PowerQuick has been developed by Quoin International based in Carson City, Nevada, and can lift a load of 145 kilograms at a rate of 1 metre…
