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astrotiger
 
90%
Build a world war I type zeppelin with inner airbags,call "bladders", fill with helium (not hydrogen). Have the outer airbag made with a flexable "solar-panel" cloth, electronic wirer to in-ship storage batteries. Have these batteries run VTOL propeller engine (simulated to MV-22 "Osprey"), to propel and steer the zeppelin. Underneath the belly of the zeppelin have the cramping system.
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Jim Renfer
 
90%
How about a device that could take control of a airliner like a heat seeking or guided missile. In the event of a hijacking military jets could be deployed taking control of the jet and forcing it to land safely, brake and shut down.
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Keith Lawson
 
90%
04/26/2002
Elevators (lifts in England) are expensive to install and require top room for the lifting gear. Would it not be possible to build elevators on Archimedes Screw principles - a rotating shaft moving small, single person platforms? No cables or wires to break. Can be used for two storey building.
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parker9054
 
92%
The idea is to create a wind turbine powered charging station for electric vehicles. The wind powered station will be also equipped with solar panels and will be able to charge two cars at once, generating about 3.5 million units of energy each year. The improvement in electric car infrastructure will help to alleviate the 'range anxiety' of electric car owners.
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Milana
 
93%
The idea is to develop wireless Car-Baby monitoring system with audio and night vision to be used to view children in the car while driving. It will be possible to say goodbye to those mirrors that don't work and say hello to safety and comfort while driving. Cell phones and texting while driving is illegal and dangerous...but what about turning your head to view your child in the backseat? With such a system you will provide attention being safe.
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Jack Brown
 
92%
12/05/2011
New air-free tires will be made of fully recyclable thermoplastic-resin spokes, making them completely immune to punctures. Wider spokes will radiate from the center of the tire to the radius, where the spokes will attach. The spokes will curve from left to right as they will extend from radius to the tread, creating a balancing force that will not distort the tread.
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Curious
 
92%
10/01/2012
Take your bike lane with you with a new safety light system, which creates an instant bike lane lined with highly visible red lights. The system features two red lasers mounted on a flashing safety light of five red LEDs. The lasers are angled downward to create a bright bike lane around the rider that is visible from a mile away, even if the area is also lit by streetlights. A pair of AAA batteries power the device, and a polycarbonate cover protects the device from weather and...
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timbochung
 
90%
Roads undergo lots of stress due to the winter/spring freeze-thaw cycle. To help speed up repairs why not alter the chemistry of the asphalt so that it is very flexible? That way large sections of pavement can be rolled up like a giant jellyroll. As the old pavement is wound up and the new pavement is layed down behind it.
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zylan
 
90%
While driving for long distances on a hot day, even with the AC full on, the drivers back side remains sweaty as it is constant touch with the seat and the air from the front AC vents never come in contact with it. So I am proposing to provide tiny air vents on the bottom of the head rest and on the side of the seats which can throw air at the back side of the driver to cool it off.
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buhrman
 
90%
02/06/2004
A device that holds your head up, in a comfortable position while trying to sleep in a moving vehicle. Aleviates sore necks. The design may incorporate 3 straps attatched to your head connected to your shoulders and back. An alternate design might include a neckbrace looking thing.