When his colleagues first went over to Siavonga, many of the schools they visited were without mains power.But when Connor Smith flies out to Southern Zambia later this month, not only will they have the means to light their school buildings, but they'll also be getting into their stride using some of the solar-power computer systems which they've been donated. The 21-year-old works for Swansea-based tech firm Giakonda IT, which has been supplying and installing computer equipment to rural...