Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option. – Wilson Greatbatch
When you buy a gallon of gas, over 60 percent of the energy you pay for goes out the radiator in the form of waste heat? Thats why you have a radiator in your car in the first place. – Wilson Greatbatch
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