Space.com on MSN4d
'City of Lights' as seen at night from space: Space photo of the day
Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken from on board the International ...
Interesting Engineering on MSN9d
New streetlight coating reflects 95% light and lets 80% infrared heat escape
Interestingly, the result showcased that the material allows over 80% of the infrared light to escape upwards, cooling the LED. Simultaneously, it reflects more than 95% of the visible light downwards ...
Yahoo4d
'City of Lights' as seen at night from space: Space photo of the day
Paris is known as the "City of Lights" for its early and extensive use of street lighting and it being ... especially from high above Earth at night. This photo of Paris was taken at 9:54 p.m ...