Marked articles 'energy'

Let us keep the carbon, for next glacial age!

By Denis Delbecq • February 16th, 2009 in 11:31

It is a point of view at least original. A Danish researcher explains that it is necessary to keep reservations of hydrocarbons to struggle against next glacial age.
In Geophysical research letters of February 11th, 2009, Gary Shaffer, the University of Copenhagen, itemises his calculations and envisages that a climatic warming of five degrees in one



The huge screens sacrificed on the altar of greenhouse effect

By Denis Delbecq • January 16th, 2009 in 0:09

In Las Vegas, city of energy dissoluteness, the industrialists of the high-tech hurry up in Consumer Electronics Show. Every year, the huge screens on plasma win a little more in diagonal, with models which attain from now on 150 thumbs (3,81 metres). But these systems of displays with big show will not soon be able to enter [...] any more



The mushroom which fabricates some oil

By Denis Delbecq • November 4th, 2008 in 11:13

They always need smaller one than one. Jobs of Gary Strobel, to the University of Montana (United States) prove him one more time. The scientist discovered that the mushroom Gliocladium roseum produces hydrocarbons when the oxygen is absent. A cocktail of substance which is not without reminding of the diesel fuel.
Strobel is not



China too much likes the coal

By Denis Delbecq • October 25th, 2008 in 12:25

How to struggle against climatic warming if each does not put his in it? While China dethroned last year the United States of their position of first transmitter of gas with greenhouse effect, a report published in Beijing this week underlines that Chinese rejections could double before 2020.
Every week, have underlined recently three [...]



Disposable solar energy will be soon profitable

By Denis Delbecq • October 17th, 2008 in 8:51

Solar energy becomes commonplace. It is of what lets think the unveiling of the plant of photovoltaic cells of Konarka, in the Massachusetts (United States). An ancient photographic plant of films given up by Polaroid before being re-conditioned to produce every year thousand megawatts of plastic solar cells. Because, contrary to most technologies produced as a whole, [...]



(Baby) alerts on bulbs with low consumption

By Denis Delbecq • October 12th, 2008 in 23:40

They believe well they make, and his health If we are to believe the British Agency of protection of health is threatened, some lamps with low consumption issue ultraviolet rays in relatively important quantities. To the point where organism recommends to avoid putting lightings of this type too much near the users. A distance of in - less thirty centimetres is recommended, [...]



Recipe of kitchen for a solar cell

By Denis Delbecq • October 2nd, 2008 in 8:57

To fabricate solar cells outside, without the ultra-sophisticated techniques of preparation of materials semidrivers? Mean, told themselves four Danish researchers and German who introduce their method in the magazine Nanotechnology. A method which is almost recovering from the kitchen, since it leans on a mixture of nanoparticles of oxide of zinc and of a polymer which, [...]



Kite, art in energy

By Denis Delbecq • August 4th, 2008 in 15:37

That those who have never practiced the art of the kite raise the finger! To the University of Delft, in the Netherlands, student and teaching true pros became. Notably to throw and to pilot several square metre devices. Because to the University of Delft, iron is hard believed as that the kite will be an answer in [...]



Two small steps on the road which drives to solar energy

By Denis Delbecq • August 1st, 2008 in 6:39

The hydrogen? Many people speak about it as «the energy of future». The rumour-mongers pretend that she will remain him. They are perhaps wrong. Because two jobs published on Friday in the magazine Science show that the manufacture of hydrogen from solar energy is not any more an Utopia.
Today, the industrial hydrogen is obtained by splitting hydrocarbons. What makes that cars [...]



Electrical exhausts

By Denis Delbecq • July 28th, 2008 in 12:06

One hundred and ninety-seven years ago, the German physicist Thomas Seebeck discovered that by linking up two drivers carried to different temperatures, one very low-current is produced. He extended so an experience of Volta which, in 1794, irritated a frog with caused current by plunging a metallic driver into the bouilante water. It is besides with [...]




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