How serious is rubber product design?
On January 28, 1986, at 5:39 p.m., 73 seconds after takeoff within NASA’s STS-51-L mission and at a height of 14.6 kilometers, the space shuttle Challenger disintegrated in mid- air and its seven crewmembers, among the cream of the crop scientists in the country, died, giving rise to one of the saddest representative images of the last century.