Evapotranspiration: Watching over water use

As soil and other surfaces dry, water is transferred into the air as water vapor. That is evaporation. Plants actively release water, moving it out of their leaves and stems and into the drier air. That is transpiration.

Material and coating process to protect ceramic parts

Post-pandemic vacation travel was among the biggest stories of summer 2021, raising questions about air travel's contribution to greenhouse gas emissions and climate change. According to the Environmental and Energy Study ...

Ultra-thin, gas-tight coatings for PET bottles

If polymers are specifically made to form and deposit on the surfaces surrounding the plasma, they can be coated in a targeted manner. Thanks to this so-called plasma enhanced chemical vapor deposition, or PECVD for short, ...

Rainfall becomes increasingly variable as climate warms

Climate models predict that rainfall variability over wet regions globally will be greatly enhanced by global warming, causing wide swings between dry and wet conditions, according to a joint study by the Institute of Atmospheric ...

Through the thin-film glass, researchers spot a new liquid phase

Research published in the Proceedings of the National Academy of Sciences describes a new type of liquid in thin films, which forms a high-density glass. Results generated in this study, conducted by researchers in Penn's ...

Making bendable ice by growing single-crystal microfibers

A team of researchers working at Zhejiang University in China has developed a way to grow water ice that is elastic and bendable. In their paper published in the journal Science, the group describes how they grew their single-crystal ...

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