63 results found displaying 25-27
    
mprotactinium
 USA
Space launch mountain Printer Friendly Version
Use the ever expanding Sahara desert to construct a 13.5 mile tall pyramid of sand composite with a 1/2 square mile launch pad at the top. It would require the movement of around 3,200 cubic miles of sand that the 3.5 million square mile desert could easily supply. After initial construction costs for space launch would become minimal and could be used for centuries to come.
Reward: Human enlightenment 

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14°

    
sebin
 India
Transparent Vehicles Printer Friendly Version
I wish they make all the automobiles, planes, trains all transparent. The production cost will be cheap because the whole body could be moulded from one big plastic rather than going for aluminium or steel.
Just imagine the view from a trasparent airplane it will be great, and the pilots will know what's happening in the passenger car. Some areas should be covered like bathrooms and some other places etc. This is quite a weird idea, many people prefer privacy but this is for those who don't.
Reward: free travel passes 

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48°

    
Alex Stavisky
Transportation Safety Printer Friendly Version
A rail evaluation car could be developed to travel far enough ahead of any freight or passenger train averting a rail accident. The evaluation or "monitor car" would be un-manned and have the abilty to feed real-time data to the engineer and also to record track data for later reference and evaluation. This could save lives at train crossings and by advising the engineer of a possible derailment.

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38°

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