Death by PowerPoint: The slide that killed seven people

The Space Shuttle Columbia launches carrying its crew of seven to low orbit. Whereas other shuttle crews had focused on work to the Hubble Space Telescope or to the International Space Station this mission was one of pure scientific research. At eighty-two seconds into the launch a piece of spray on foam insulation (SOFI) fell from one of the ramps that attached the shuttle to its external fuel tank.

Source: mcdreeamiemusings.com