street light

In 1402, after leading troops from Beijing to capture Nanjing, Ming Cheng Zhou was crowned emperor.

In Paris, France, at the end of the 18th century, people lit only half of the city's street lights on every full moon night. This is due to economic reasons instead of the

Small, smart and intelligent face, Phuong said that she has cherished the idea of ​​researching energy-saving devices since she was a first-year student.

Nissan is using an old Leaf battery to provide power to street lights to help make traveling of vehicles and pedestrians safer.

Luminaires are fitted with sensors so they only work when pedestrians or drivers are approached.