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156 results found
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| Cant find your keys? Give them a call! 
How about an electronic device which is attached like a keyring with your keys. It will have a sensor. It will send signals and receive signals. If you have lost your keys you could dial (on your mobile phone) a personal signal number that would transmit to the keyring, causing an alarm to be set off! Or if you lose your phone you could press the keyring button which will activate the alarm on the phone. With a flashlite attached to the keyring as well this could be a handy object.Reward: Surprise me! 
There are 5 replies to this idea
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| Miniature Inspection Satellite
Remember the miniature softball-like object that Luke Skywalker tried to swat while learning his light sabre skills? Every space shuttle or other manned spacecraft could have one of these aboard to be released upon reaching orbit. Its main purpose would be to inspect the spacecraft or the International Space Station to detect defects or other problems.There could be a small self-contained, battery-powered motor and battery that could last several hours. It would then be retrieved and its information analyzed. For longer durations, it could have a skin comprised of solar-collecting cells. Universities around the world could competitively bid to get a contract to build these.
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