155 results found displaying 28-30
    
Strijer20
 USA
Breathalyzer key box Printer Friendly Version
A box that only unlocks when you blow into a(n) attached/detached breathalyzer.
This would let someone take all the keys of party guests and know who to let drive when they leave easily!
Reward: getting the product for free 

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67°

    
johndu
 USA
Sensored when Drive in and Park in your garage Printer Friendly Version
Set sensors over head of the house garage door and/or ceiling so that you will always park the car in desired place.
Never hit the side mirror on garage and leave space for other car.
The sensor could be a (laser) light and linked to the door opener. If the car is not driven in from the right place and parked in right place the sound warning will be issued.
Reward: No more damaged mirror and parking into my garage in ease. 

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18°

    
greatjay
 USA
Electronics That Would Need No Charge Printer Friendly Version
The key to chargeless electronics is to have super conductors that allow electrons flow freely without collision or inhibition. The current problem is that these super conductors are not congenial to room temperature. If I recall right, the current super conductors can remain super until temperatures of about 168 degrees, while room temperature is about 273 degrees. But the thing is as soon as we can come up with super conducts that work in room temperature, there will be no need to charge up batteries since electrons will not collide, and charge won't be lost through heat.
Researchers are still working on this but I am now going to study physics with this being one of my main projects and objectives. It will revolutionize the world and end our energy dependence. Let me know your thoughts pls.
Reward: partaking in any projects relating to this. 

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50°

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