PARIS, France (AFP) — Microscopic molecular vehicles piloted by chemists and physicists will line up in the world’s first nano-car race in France this month — but don’t expect to see anything with the naked eye. Teams from France, Germany, Japan, Switzerland, the United States and a joint Austrian-American group have qualified, but only four will get to compete on April 28-29, organisers of the race said Tuesday. Sponsored by France’s National Center for Scientific […]