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The French town where the lighting is alive
Key Excerpts from Article on Website of BBC News
Posted: May 9th, 2022
https://www.bbc.com/future/article/20220407-the-living-light...
In Rambouillet, a small French town around 30 miles (50km) south-west of Paris, a soft blue light emanated from a row of cylindrical tubes. Members of the public ... were invited to bathe in the glow for a few minutes. Soon, the same azure glow will illuminate the nearby, tree-lined Place André Thomé et Jacqueline Thomé-Patenôtre, located just across from the aptly named La Lanterne performance hall, at night. These ethereal experiments are also underway across France. But unlike standard streetlamps, which often emit a harsh glare and need to be hooked up to the electricity grid, these otherworldly lights are powered by living organisms through a process known as bioluminescence. This phenomenon – where chemical reactions inside an organism's body produce light – can be observed in many places in nature. Organisms as diverse as fireflies, fungi and fish have the ability to glow through bioluminescence. The turquoise blue glow bathing the waiting room in Rambouillet ... comes from a marine bacterium gathered off the coast of France called Aliivibrio fischeri. The bacteria are stored inside saltwater-filled tubes, allowing them to circulate in a kind of luminous aquarium. Since the light is generated through internal biochemical processes that are part of the organism's normal metabolism, running it requires almost no energy. "Our goal is to change the way in which cities use light," says Sandra Rey, founder of the French start-up Glowee, which is behind the project in Rambouillet.
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