The surprising thermal properties of cellulose nanofibers

Plant-derived materials such as cellulose often exhibit thermally insulating properties. A new material made from nanoscale cellulose fibers shows the reverse, high thermal conductivity. This makes it useful in areas previously ...

New research facility houses largest plasma wind tunnel in the US

In hypersonic flight, an aircraft or spacecraft moves at least five times faster than the speed of sound—producing extreme heat that can push the craft beyond its physical limits. The difficulty and importance of protecting ...

A 'fourth dry year' likely in California, officials say

California's reservoirs will enter fall in a slightly better position than last year, but the Golden State should prepare for more dryness, extreme weather events and water quality hazards in 2023, officials say.

WMO has no immediate plans to name heatwaves

The top priority of the World Meteorological Organization and its Members is to save lives through accurate forecasts and early warnings. A very successful example of this, in recent years, is improvements in Heat-Health ...

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