Page 285 - Inventions - A Visual Encyclopedia (DK - Smithsonian)
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FREEZE-DRIED FOOD
        Although the process of freeze-drying to preserve                                 FAST FACTS
        food was invented in the 1930s, its unique benefits
        were discovered by NASA scientists looking at        Fruit retains its   ■ ■ Although the principle of generating
                                                             appetizing color   electricity from sunlight was discovered
        methods for storing food on long-duration Apollo
                                                             and flavor         in the 19th century, cheap and efficient
        spaceflights. Freeze-drying removes water                               solar cells originated in a NASA-
        but preserves vitamins, minerals,                                       sponsored project to develop solar-
        and other nutrients that are                                            powered aircraft.
        restored when the meal
                                                                                ■ ■ Famous inventions that are often
        is rehydrated.                                                          wrongly attributed to the space race
                                                                                between the US and Russia include
                                                                                Teflon™, Velcro®, and the integrated
                                                                                circuit (microchip).

                                          F reeze-dr ied str a wber r ies                                              SPACE
                                          Freeze-dried strawberries
                WOW!
                                                                          FIRE SAFETY
             According to some                          Fire is one of the deadliest hazards for          Lightweight,
            estimates, each dollar                spacecraft and their crews, and space agencies    heat-resistant alloys
          invested in the US space                 such as NASA have made some important                reduce weight
                                                                                                        of equipment.
             program results in                    breakthroughs in fire safety. Firefighters
             up to $10 of wider                     use air bottles, face masks, and other
             long-term benefits.                   equipment made from a heat-resistant
                                                      aluminum composite that was first
                                                     developed for use in rocket casings, and
                                                    materials based on Apollo spacecraft heat
                                                   shields are used to insulate structural steel
                                                              supports in high-rise buildings.








                                                                              Heat-resistant textiles
                                                                               based on astronaut
                                                                                      flight suits
































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