This seasoned electrician is helping to build a clean energy workforce

There’s an old joke about a chemist, a physicist and an economist trapped on an island with just one unopened can of food. The chemist suggests putting the can in the fire until it explodes, while the physicist suggests dropping it from a tree. “Those would waste food,” says the economist, “so here’s the solution: let’s assume we have a can opener.”The joke is a good reminder of the limitations of