208 results found displaying 55-57
    
vinupattar
 India
Variable Car Window Transparency Printer Friendly Version
Many times while driving in the sun, I wish if there was a knob in the car's dashboard, using which i could turn the windows opaque to a certain extent. Some times at night, with the tinted glasses, I wish I could turn them completely transparent.
I dunno if such a device exists, but the laevo & dextro rotatory properties of light when passing through different mediums may be used. Another idea would be to use a chemical sandwiched between layers that could be triggered by electrical impulses.
Reward: Could someone fit such a device to my car? 

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mrdee11091
 United Kingdom
Internal pump Printer Friendly Version
How about having a mini air pump in the tyres of cars, bikes, etc. so that when your tyre reaches a certain low the pump activates, releasing a slow pressure until it's up to original pressure.

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radcon821
 USA
Safe Driving for Everybody Printer Friendly Version
I have a idea we can all benefit from. I know a lot of you speed demons out there will not agree with me, but I also know a lot of parents and concerned drivers will.
I think there should be a computer-based GPS installed on every new car which will act like a stutter box or a restrictor. When you crank your car, the box turns on and connects with a satellite, tracking your GPS location. Then, the satellite sends information back to the box letting it know the speed limit for the road you are currently on. Now that the car knows what the speed limit is, it won't allow you to accelerate over that speed. In case of emergency, the box will deactivate if you turn on your emergency lights, however it will also signal police and rescue dispatch that there is a speeding car with your car type and color, heading north, east, south, west or whatever direction you are heading, the road you are traveling on, and how much over the speed limit you are driving.
Reward: Just to be recognized for the safety of others. I would also want the first car with these features, as a gift of gratitude. 

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