lunes, 30 de junio de 2008

Bombillas de filamento

Cuánto ´ensucia´ una bombilla - El periódico de Aragón.

El volumen de bombillas consumidas en el mercado español a lo largo del 2007 generó un total de 8.700 toneladas de residuos, cuyo porcentaje de mercurio podría contaminar la mitad de las reservas de agua potable de España. [...]

Resulta curioso comprobar las muestras reales de los distintos componentes de las bombillas. Así, el 88% de su peso es vidrio; el 7% es metal (aluminio, latón, cobre, etc); el 2% es plástico y el 0,02% es mercurio (el único residuo simulado). Pero, aunque el porcentaje del mercurio parezca mínimo, puede llegar a contaminar hasta 35.000 litros de agua. [...]

[...] pronto desaparecerán del mercado las clásicas bombillas de filamentos "porque el 80 y 90% de la energía que consumen produce calor, en lugar de luz". [...]

5 comentarios:

Mahou Setun López dijo...

Mira en eso Fidel Castro, nos ha cogido la delantera. Bien por el.

Mahou Setun López dijo...

Sobre el mercurio, no tenia ni puta idea de que las bombillas tenían mercurio….

Luiso dijo...

¿Sabíais que el wolframio, que se usa en los filamentos de las bombillas, es el metal con el punto de fusión más elevado (3683K) y el elemento con el punto de ebullición más elevado (6203K) de todos los elementos conocidos?

Anónimo dijo...

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The relative complexities of men's and women's style

Both men and women can feel the pressures of keeping their wardrobe up-to-date and in time, yet men's fashion frequently seems a lot less difficult. Of course, for both sexes, costumes and style choices may be just as complex, and there are several'modern'items which could rapidly become fashion faux pas - who can say they frequently see people walking on in 70s flames? On the other hand, men's fashion has a few staple things that can exist eternally - which man is going to look out of place with a good-quality, tailored suit, for instance? Select classic cuts, colors and materials and you'll never seem out-of-place.

Why classic men's fashion is amazing

The basic man's suit has barely changed for over a hundred years. True, there are numerous varieties for various functions, nevertheless they are all common in their quest for a wise, sharp try to find the person. The great thing about classic style for men is that it is efficiently fashionable effectively cool. A well-groomed gentleman will more often than not appear his sharpest in a well-tailored suit, and this can be a testament to the style of such apparel. A match will undoubtedly be utilized to work in many occupations because of the professional search it affords to the individual, instilling a sense of respect and confidence. Equally a suit will be worn to many social situations, like a tuxedo to a black-tie affair. This incredible versatility that enables suits to be utilized in virtually all situations is what gives it its timeless side and a permanent invest men's fashion.

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