Science is not airplanes, but the capability to produce airplanes. In 2011, we know how to make 1955 airplanes (as well as 2011 airplanes). In 1955, we only knew how to make 1955 airplanes. Science is advancing.
Fair point.
Science is not airplanes, but the capability to produce airplanes. In 2011, we know how to make 1955 airplanes (as well as 2011 airplanes). In 1955, we only knew how to make 1955 airplanes. Science is advancing.
Fair point.