Environment
New street lamp design helps reduce light pollution
For astronomers, a city that is brightly lit, it is not a place to study the sky. Moreover, light pollution also affects nature such as the migration of birds, the hatch…
Led Street Lights
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New technology
Install underground traffic lights for phone addicts
A city in Germany had to install a traffic signal light on the road with a high fear of accidents when pedestrians glued to the phone.