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Oct 9, 2021 · Whereas streetlamps in Paris expressed state power (hence revolutionaries hanging their enemies from them), street lighting in Britain was often the responsibility of households and businesses.
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- What Can Be Done to Tackle Challenges Presented by Led Lights?
For most people born in the UK before the 2000s, streetlights have always been a warm amber colour. This is due to sodium vapor lamps, which started to see broad use in the 1970s. Before that, the technology used was mercury vapor, which has a blue-green light. Sodium lights come in two main varieties, low pressure and high pressure, and the techno...
While LED streetlights provide greater efficiency and better visibility, research on these lights shows signs that they may not be as great as once thought. Recently, researchers have discoveredthat hedgerows with LED streetlights have significantly less wildlife, including insects and mammals. It has been known for decades that artificial light up...
One solution to improve conditions around LED streetlightsis to include blue light filters. The resulting light would be yellow (just as in earlier lamps), and this light would be less harmful to nocturnal wildlife and people in general. However, using a filter would decrease the lamp's efficiency and this fall in efficiency could potentially see s...
One solution to improve conditions around LED streetlightsis to include blue light filters. The resulting light would be yellow (just as in earlier lamps), and this light would be less harmful to nocturnal wildlife and people in general. However, using a filter would decrease the lamps efficiency and this fall in efficiency could potentially see so...
Sep 27, 2023 · Anecdotal reports of purple-looking streetlights have been popping up since early 2021 in states including Florida, Utah, Texas and Massachusetts, as well as in Canada and Ireland.
May 20, 2024 · In recent years, from Boston to Billings and from Winnipeg to Winston-Salem, communities across the United States and parts of Canada have reported a peculiar phenomenon: streetlights emitting purple light.
Nov 29, 2022 · Acuity and the purple cities haven't been entirely transparent on that matter. Most of the wonky streetlights, it turns out, came from an Acuity sub-brand called American Electric Lighting.
- Henry Blodget
Sep 22, 2016 · Brilliant arc lamps were the original electric streetlights in the late 1800s, but it took more practical incandescent bulbs to persuade most cities to replace gas streetlights with electric ones.
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Sep 22, 2023 · Smart street lamps that can house electric vehicle (EV) charging hubs and boost wireless coverage including 5G are to undergo testing in six areas across the UK. The £4m pilot study will receive £1.3m in central government funding alongside extra money from local authorities including Cambridgeshire, Tees Valley, Kingston upon Thames ...