From the course: Universal Principles of Design
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Garbage in, garbage out
- Hi, I'm William Lidwell and this is Universal Principles of Design. In this movie, Garbage In-Garbage Out, The Science of Taking Out the Trash. On December 11, 1998, NASA launched the Mars Climate Orbiter, the first robotic probe with a mission of studying climate change on another world. The flight to Mars was uneventful, requiring occasional course corrections but nothing noteworthy. Then on September 8, 1999, a trajectory correction maneuver was transmitted from Earth to the probe to put it on the optimal path for orbital insertion. On September 23, 1999, NASA lost communication with the probe and soon thereafter discovered that it had disintegrated in the Martian atmosphere. The cause, trajectory corrections were entered in English units versus the required metric units, bringing it too close to the planet where it burned up in the atmosphere. The Mars Climate Orbiter is a tragic demonstration of the principle of garbage in-garbage out, sometimes referred to by the acronym GIGO.…
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