As it turns out, the crux of the invention was head-slappingly simple: though a patent-pending idea Smith calls "get out of the way control, " the unitmeasures the load on each joint as its operator moves about, and figures out the direction it needs to move in 3-D space to literally move out of the way.
In 2006, the first year of the plan, the country's reduction in energy intensity, which measures energy consumption per unit of economic output, was a mere 1.23%.
Two of the three workers inside the plant received more than the lethal dose of seven sieverts (a sievert is the unit that measures the intensity of radiation's impact on the body).