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  1. What Excessive-tech Products Got Here From NASA Technology?

    Using and reusing water throughout a space flight is an issue NASA had to grapple with. A purification system developed for Apollo spacecraft employs copper and silver electrodes to ionize and destroy algae and micro organism. Immediately it is used to purify water in swimming pools and in water treatment plants [source: The Futurist].

    TDMA can also be used as the entry technology for World System for Mobile communications (GSM). Nonetheless, GSM implements TDMA in a considerably ...