is information relayed by Rene of BLC, which gave me the idea to ask him a ticket . We light a bulb, the light flashed and we do not marvel at this little miracle! I'm not saying that we should make a "Ohhhhhhhhhh !!!!......" every time you turn a switch but a little pout of gratitude would be welcomed.
long time, incandescent lamps use a carbon filament. Known for their longevity, some were still in service in the Paris Metro in the late 1950s. Thus, since 1901 the ceiling of the fire station in Livermore (California), shines a light bulb without interruption, the Centennial Bulb, now filmed by webcam permanently, with the first two already, meanwhile, fell down ...
planned obsolescence:
refrigerator which fails after a few years of operation, the automobile that begins to transform into oxide iron in the first kilometers, the bulb whose economic life of 10,000 hours advertised shall be reduced by half if not more, are all part of a program due to obsolescence. 
programmed obsolescence This is also not just based on technical failures but also on psychological deficiencies users: The TV still works fine but can not receive DTT , which can restore the 3D images is on the way to the dump where it will be accompanied by the latest notebook which it lacks the potato peeler and the motorized juicer. Do not talk about computers with the speed and memory capacity are increasing programs to digest more and more bloated and animated ads that pollute, ad nauseum, most websites. (And then, Peter, where are your ads?)
One of the first objects of daily use to having been the victim of a Death Foretold was apparently there the incandescent bulb. After much trial and error at the end of XIX century the carbon filament bulbs had achieved a longevity many hopes.
The modern book Is he also a victim of this race for consumption imposed? We can only say yes when you consider the speed with which the book of great production loses its leaves without waiting for the fall! The authors themselves consume and burn rapidly. What role eBook Will he play in this depressing situation? And, to quote the posters of Peter here, what place will be reserved for the bookseller, in the future? This little note is not innocent as it will allow our Book of Tarascon showcase, in a light eco-friendly, one of his precious books on science and Electricity, in particular ;-))
A experience that was suggested to me by Bernard on a light bulb filament Carbon
When approaching a magnet, the filament is driven by a tremor at 50 Hz I dare not approach the magnet too close to the filament as it begins to vibrate so hard that I fear it will not break! O spirits of famous men , Oersted, Ampere, Faraday, ... To vibrate the mention of your name by the experimenters the twenty-first century, contemporary vestiges of the dinosaurs. Rene
COLLECTIVE: BLERIOT / BRANLY / Charcot / DE LAUNAY / CARNOT .... The World and Science, Volume I. Mineral waters of slaughterhouse ... Paris, Librairie sports. Undated (1930). Half roan binding editor. 250 x 320 mm. Several illustrations and photos per page. 959pp. Poultry, architecture, aviation, champagne, candy, leather, cinematography, porcelain, iron and electricity ... Good condition. € 50 + shipping
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