air Archives – The Green Optimistic

MIT Researchers’ New Device Generates Electricity From Air

Mila Luleva — Thu, 24 Jul 2014 07:09:02 +0000

Just because solar and wind power are making an incredible progress, it does not mean that the other renewable energy sources should be neglected and researchers should stop looking for alternative means for energy generation. This is why, researchers from MIT took on the task to see exactly how much energy they can produce from condensation. […]

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BluBox Thermal Fan Takes Heat from Ceiling to Floor

Ovidiu Sandru — Mon, 23 Jan 2012 19:08:23 +0000

The warmest (and most expensive) air in your home (or small business) is lazily floating around above your head looking for some way to escape. This is especially true if you make your heat with a Single Point Source (wood burning stove, floor furnace, wall furnace, etc.) or you have high ceilings, or (who would […]

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Air Pollution Kills More People Than Drugs and Alcohol, Study Says

Ovidiu Sandru — Fri, 25 Feb 2011 19:31:28 +0000

A study led by Tim Nawrot from the Hasselt University in Belgium reached a stunning conclusion: chances are people can suffer a heart attack because of air pollution than because of marijuana, coffee, sex or anger.

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OneCAT – the car that runs on air!

Ovidiu Sandru — Mon, 18 Feb 2008 07:57:33 +0000

Remember an older article about a small company, called MDI, who had a plan in building a car that runs totally on air? Now they did it. OneCAT is a five-seat car, with a fiberglass body, weighting about 350kg and costing about… 4800$! And that’s cheaper than any car (maybe except the recent car from […]

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Quasiturbine Engine Works With Air

Ovidiu Sandru — Wed, 06 Feb 2008 07:40:53 +0000

Since the Quasiturbine is a pure expansion engine (which the Wankel is not, neither most of other rotary engines), it is well suitable as compressed fluid engine – Air engine or air motor. From the basic 200cc per revolution engine bloc, a compressed air prototype has been built making use of 2 parallel expansion circuits […]

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Engineair's Ultra-Efficient Compressed Air Motor

Ovidiu Sandru — Wed, 06 Feb 2008 07:34:45 +0000

Elegant minimalist design eliminates most of the working parts traditionally associated with internal combustion engine; offers nearly 100% energy efficiency for a variety of transport and stationary applications. by Mary-Sue Haliburton Pure Energy Systems News Copyright © 2006 Imagine a vehicle with nothing under the hood (or bonnet), no gearbox, no transmission, no carburetor or […]

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The Tesla Oscillator (aka Earthquake Machine)

Ovidiu Sandru — Wed, 06 Feb 2008 07:28:27 +0000

Nikola Tesla is primarily thought of as an electrical genius, but he also was responsible for a number of mechanical devices. One of the most notorious of these was his “Earthquake Machine” otherwise known as the Tesla Oscillator. The machine which Tesla tested was small, around seven inches long, and weighing only one or two […]

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The Rotary Air Engine (Di Pietro motor)

Ovidiu Sandru — Wed, 30 Jan 2008 08:57:22 +0000

The Di Pietro motor concept is based on a rotary piston. Different from existing rotary engines, the Di Pietro motor uses a simple cylindrical rotary piston (shaft driver) which rolls, without any friction, inside the cylindrical stator. The space between stator and rotor is divided in 6 expansion chambers by pivoting dividers. These dividers follow […]

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E.Volution – the air powered car

Ovidiu Sandru — Tue, 29 Jan 2008 20:53:17 +0000

Within the next two years, you could see the first air-powered vehicle motoring through your town. Most likely, it will be the e.Volution car that is being built by Zero Pollution Motors, in Brignoles, France. The cars have generated a lot of interest in recent years, and the Mexican government has already signed a deal […]

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Why is the natural light dimming?

Ovidiu Sandru — Tue, 29 Jan 2008 13:40:56 +0000

Global dimming is the gradual reduction in the amount of global direct irradiance at the Earth’s surface that was observed for several decades after the start of systematic measurements in 1950s. It is thought to have been caused by an increase in particulates such as sulfur aerosols in the atmosphere due to human action. The […]

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MDI Cat’s Air Engines Unveiled

Ovidiu Sandru — Tue, 29 Jan 2008 20:38:03 +0000

MDI has developed a high performance compressed air technology. When it is compared to traditional gasoline powered engines, MDI´s engine is far superior in terms of energy used and thermodynamics. An overview of the air car The technology that MDI vehicles use is not new, in fact it had been around for years. Compressed air […]

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