In KwaZulu-Natal's South African poor rural schools, connection to the electrical grid is a far-off dream. But in Myeka High, a solar power project is bringing lighting, TVs and VCRs, computer workstations and wireless internet access. Suddenly, changing the world is affordable. If you want to help, Pounds 30 buys a battery that stores solar power for evening use. There are two neighbouring schools still to connect.