Nova: Season 52, Episode 11

52 - 11: Ultimate Crash Test: Impact

In the second episode of this two-part special, forensic analysis is put to the test in a first-of-its-kind experiment to discover what really happens in a multi-vehicle pileup. Real-life crash scene investigations have very little data to work with, so are they accurate? And what can we learn about car safety when there is actual data to show exactly what happened? Follow scientists, engineers, and accident investigators as they analyze a treasure trove of data – more than they've ever had before. In this unprecedented look at a major multi-vehicle accident, discover insights about driver behavior and vehicle design that could save lives.