With drought and other water restrictions being experienced globally these days, a timely invention has recently taken shape – Bay Area California scientist Meng Lean’s water filtration method, that filters water five times faster and cheaper than existing systems.
The idea came into being during a time Lean was commissioned by the U.S. Army for water-purifying services [...]

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The generator makes electricity from residual industrial heat that regularly wastes. The obtained electricity is also very cheap, getting a price of three cents per kW/hr in payback period and about one penny after that. In the process are used patented pressure and heat recovery techniques and needs only 200 degrees Fahrenheit to start generating [...]

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