23/12/2020

Plastic is blowing in the wind

As the plastic in our oceans breaks up into smaller and smaller bits without breaking down chemically, the resulting microplastics are becoming a serious ecological problem. A new study at the Weizmann Institute of Science ...

Perfect transmission through barrier using sound

The perfect transmission of sound through a barrier is difficult to achieve, if not impossible based on our existing knowledge. This is also true with other energy forms such as light and heat.

Combustion-derived water vapor may worsen winter air quality

Water vapor is an important medium for the wet growth of particulate matter. The increase of water vapor content will accelerate the liquid-phase oxidation of primary pollutants, promoting the generation of new particles ...

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