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Why did Denmark change road lights to red?
Some Nordic countries, especially Denmark, have decided to replace the classic street lighting system that uses white light, with red diffused light models.
Street Light
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Articles about Street Light
17 published items.
Discover science
The light of street lights breaks the ecological balance
In a study published in the British Journal of Biology Letters on May 23, scientists from the University of Exeter, southwestern England said that street lights have a v…
Space science
Moon polishing project
A cosmetic company in Sweden has proposed a strange idea to reduce the need to use street lights at night: polish the surface of Ms. Hang.
Biology
The glowing tree can replace street lights
The sight of glowing trees on both sides of the road will not only appear in fictional movies thanks to a US study.
Scientific application
Using energy saving technology for street lights
Installation of DIM-250 ST power saving device, each high-voltage lamp has saved 30-50% of electricity, 75W incandescent bulbs are replaced with Compac bulbs with a capa…
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…
Environment
Waste into electricity lighting rural areas
For the first time in TT-Hue, Biogas made from polluted waste is used as lighting energy at many roads in Hue city, opening up the prospect of public lighting applicatio…
Environment
Too bright street lights increase crime
Light pollution not only harms the environment but also creates conditions for bad people to commit illegal acts.
Medicine - Health
Green lights help prevent suicide and committing crimes
Psychological experts claim that blue street lights are able to effectively block suicidal thoughts and offenses.
Computer science
Internet access with ... street lights
Scotland is conducting an interesting project: Building smart streetlights, capable of providing high-speed wireless Internet access for portable devices. In essence, th…
New technology
Nissan re-uses electric car batteries to illuminate the roads
Nissan is using an old Leaf battery to provide power to street lights to help make traveling of vehicles and pedestrians safer.
New technology
Intelligent street lighting adjusts lighting
This lamp was installed in Norway on 8km of highway in Buskerud province. The mechanism of operation of the lamp is automatically reduced by 20% when no car, bicycle or…
New technology
Street light turns on as the vehicle approaches
Luminaires are fitted with sensors so they only work when pedestrians or drivers are approached.
New technology
'Talking' street lamps
Imagine a street lamp that knows you are coming from a distance and lights up to illuminate the road.