By Rebecca Wallace But Dad did help me with the animation bits!!!!
Smoke Detector First used in Skylab in 1973 to detect toxic gases. It is now used in most homes as a smoke detector to let us know if there is a fire
Ear - thermometer The ear thermometer reads your temperature by measuring infra red energy which is heat The technology was first developed to see the birth of stars
Edible Toothpaste <ul><li>This was developed so that astronauts would not have to spit out the toothpaste as they cleaned their teeth </li></ul><ul><li>It would not be very pleasant if they had to spit in zero gravity </li></ul>
Space Pen <ul><li>Most pens need gravity for the ink to come out </li></ul><ul><li>The space pen has a pressurised ink cartridge that forces the ink out. </li></ul><ul><li>On earth these can be use to write with the pen upside down </li></ul>
Invisible Braces <ul><li>These are used to straighten teeth and are made of a nearly invisible ceramic material. </li></ul><ul><li>The material was made by NASA when they needed strong materials for spacecraft and aircraft </li></ul>
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