Nuclear Power 4: Follow the Yellow-cake Road? We're here for an argument: Three different views on the global future of nuclear power.
Electric motors Two articles on the same topic: electric motors. One quick and easy, one deep and detailed.
Materials Copper: The Shorter Story The Earth has a lot of copper, which is good because we're going to need it. But we also need to get better at extracting it in environmentally safer ways.
