In the energy business the large easy gains have been made. The "low hanging fruit" has already been picked. Perpetual motion machines will neevr work. New or improved energy sources are limited as are energy storage devices. Cold fussion is not possible. Zero point energy sources are science fiction. Hydrogen fussion is possible but is expensive and suffers from low efficiency. To make a tiny fraction of "Star Trek" or "Terminator" technology work. It would require room temperature super conductors, ultra pure metals and the equipment would be large bulky and cost trillions of dollars.
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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