Light traveling in an optical fiber loses power over distance. A number of factors are responsible for this power loss, but one that is particularly important at high data rates is the loss that occurs due to changes in light ...
Optics & Photonics
Aug 19, 2011
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0
The National Physical Laboratory (NPL) has collaborated with Chalmers University of Technology and Linköping University in Sweden to help develop a fast and inexpensive tool for quality control of graphene grown on silicon ...
Nanomaterials
Aug 29, 2013
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In a recent tragic incident, approximately 100 elephants in Africa perished due to inadequate access to water. The United Nations Environment Programme (UNEP) warned that around 2.5 billion people worldwide could face water ...
Earth Sciences
Jan 5, 2024
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20
Who counts as poor in the U.S. today?
Social Sciences
Jun 24, 2019
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4
Picture the causes of air pollution in a major city and you are likely to visualise pollutants spewing out of cars, trucks and buses.
Environment
Feb 16, 2018
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112
Achieving water quality goals for the Gulf of Mexico may take decades, according to findings by researchers at the University of Waterloo.
Environment
Mar 22, 2018
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240
NASA and the Republic of Korea are developing plans for a cooperative field study of air quality in May and June to advance the ability to monitor air pollution accurately from space.
Environment
Feb 25, 2016
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17
Outdoor air pollution has been widely studied and regulated for decades, but the quality of indoor air and its potential risks were little unrecognised until the early 2000s. Yet in temperate climates we can spend up to 90% ...
Environment
Jun 5, 2019
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13
Most of the world's population will be subject to degraded air quality in 2050 if man-made emissions continue as usual. In this 'business-as-usual' scenario, the average world citizen 40 years from now will experience similar ...
Environment
Aug 1, 2012
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The air quality in many parts of Europe and the Netherlands does not meet the advisory values of the World Health Organization (WHO). However, the smart integration of air purification technology at polluting hotspots in ...
Earth Sciences
Nov 8, 2021
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