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Steve
 Austria
Soft Curbs Printer Friendly Version
As far as I know, there is no reason why street curbs are as hard as concrete. In former days, people probably didn't have different materials, but today?
Hard curbs only ruin your car tires, and if there's a street festival and you end up sitting on the curb for a while, your behind will start aching in no time at all. So why not make street curbs from a material that's softer, yet durable and easy to clean?

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Robert Silver
 USA
Hi Speed Rail System Printer Friendly Version
The U.S. presently has thousands of miles of Interstate Highway right-of-ways. Why not build a hi-speed elevated rail system that crosses the U.S. There is usually plenty of room in the medians. If the system is elevated there would be no need for crossing etc. The system could be built with ready-made concrete and steel components that would be easy to construct. These trains could have speeds in excess of 120 MPH. It could also have cars that would transport the family auto. In addition, it could be a public works project that would employ thousands of people similiar to the TVA and the building of the Hoover Dam.
Reward: I would like to travel across the country on such a train. 

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ArdeoCaldidus
 USA
Vaccum Transport Printer Friendly Version
My idea would be to create underground or over ground tubes that would be used as a transport. The idea would be to take individual capsules, where the occupant lies down. Then place them into the vaccum tube and shoot them to their destination.
Since only having one person per tube is uneconomical (it would take a large amount of energy to vaccum out a tube for one person) I would say that the tube would have intervals for travel, about every 10 minutes or so. The people who pay the fee get placed in a capsule, put into the tube, then another person is placed into a capsule, etc. etc. for about 10 max capsules per tube. The end of the tube is shut, and vaccumed out, sucking the occupants to their destination rather quickly.
This would be useful for mining openerations, undersea labs and living, quick travel (with miles of tube, or maybe cross city to cross states tubes) and other things. Or, for quick underground travel, which is economical, take massive tubes, then take a huge capsule, which is like a monorail or subway train (where occupants can stand or sit) which seats about 20-70 or more, then vaccum it out. This idea wold also stop pollution. Just think of all the regular commuters who cold use this instead of dirty cars.
Reward: Credit for the idea; A full working system for my home and anyplace i would ike to set up a return (like a workplace or school) 

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