Crash test dummies are the unsung heroes of road safety
Industry went from using cadavers in the 1930s to today's high-tech machines
The need has arisen for a larger bodied dummy type
A shift from physical to computational models is underway
(CNN) -- Car safety testing has come a long way since the days of dropping cadavers down unused elevator shafts in the 1930s.
That we enjoy greater peace of mind on the road -- with fatal accidents in the US at historic lows -- is largely due to the e
