A WELL-KNOWN local inventor has spent nearly 20 years inventing an exercise machine.But it's not any ordinary exercise machine – it converts the energy expended exercising to power the machine as a form of transport.The inventor, 71-year-old Keith Chidwick, said that when completing one of the seven exercises available on the machine, a large spring gradually tightens.When "driving" the machine, the spring slowly unwinds and this is what makes it move forward.Mr Chidwick has even...
