NASA’s last two Mars rovers, Spirit and Opportunity, launched in 2003 and carried solar panels, but the new Mars rover that the space agency is scheduled to launch on Saturday morning from Cape Canaveral uses nuclear power, a fact ...
Tags: NASA
Recently, the city of Cape Town has undertaken a Led lighting retrofit project at Cape Town Stadium to respond complaints about the wastefulness involved in fully illuminating the stadium. At a demonstration, the stadium's lights were ...
Tags: LED Lighting