271 results found displaying 46-48
    
AaronBurns
 USA
Talking GPS Navigation Speed Limit Additive Printer Friendly Version
If you add a transmitter to all posted speed limit signs or areas for a certain road, Highway, or freeway (speedway), or just add that information to the GPS navigational equipment in your vehicle, you could move onto a road where the signs might be behind you or not visible at the time you pass the sign post then, we would have happier law enforcement officers, know the speed limits and less accidents and speeding tickets, keeping your auto insurance costs lower and yourself safer and more informed when on roads when you just don't know how fast you can go. Maybe we could add this technology to auto manufacturing and have it transmitted just above our speedometers to help keep track of our own speed.
Speeding tickets are the number one reason a person will be stopped for and is the biggest problem for us and speeding endangers pedestrian traffic crossing dangerous or busy roads. All around safer driving for all. All the speed limits could be transmitted and spoken to the person in the automobile through a small speaker installed by the manufacturer, through the GPS Speakers, or the speed limits could come across on one of your radio stations with local, state, and/or federal law enforcement traffic and road condition commercials between speed limit transmissions. They could add any additional information to that channel about the road or a commercial of any kind they wish.
Reward: Credit 

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Kevin Leung Cheuk Pan
 Hong Kong
Powerless Inertia propulsion craft Printer Friendly Version
Nowaday, The US has the most sophisticated spacecraft. But it hasn't ever developed a transport that can use very little energy.
To overcome the grativational force of Earth, people have to apply a lot of thrust to encounter it to go to space.
But why don't we try to change things around? I believe (although seems impossible) there are two methods to propel the rocket without fuel.
First, scientists can find method to stop a tiny area's gravitational force, then we can just a apply a tiny force to push things up since net force is zero.
Second thing is to stop a tiny area on the Earth to stop rotating suddenly. Due to inertia, the rocket in the specific region will start to move with the Earth rotation speed (A HUGE ONE!).
Personally, i feel that the second is pretty cool.
Reward: Let me be the one who ride on this rocket. Invite me to research in these things. 

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Mice_Elf
 United Kingdom
Bike Awareness Sensor Printer Friendly Version
How many times do we see bikers hurt or killed in accidents with cars? How many times has the reason been "I just didn't see them." from the car driver?
We all suffer from not being aware enough at times when on the road...maybe when tired, or when bored, driving down an endless motorway.
My idea is that there are sensors in the rear bumper of the car that check for items of bike size. It could either be done on size, or have bikes fitted with a partner sensor, so that when the signals meet, a light and warning beep sound in the car, to alert the driver that there is a biker behind them and to watch out as they will more than likely over / undertake them soon.
If there were 2 alert lights in the dashboard of the car, maybe under the indicator lights, then the corresponding side would illuminate, so that the driver would know from which side the bike was approaching.
Reward: 100% credit and the lives of many bikers saved. 

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