Engineering

Seven ways to recycle heat and reduce carbon emissions

Heating of space and water in buildings accounts for about 44% of all energy consumed globally according to the International Energy Agency. This heat is still overwhelmingly generated by burning fossil fuels, making it an ...

Engineering

These energy-packed batteries work well in extreme cold and heat

Engineers at the University of California San Diego have developed lithium-ion batteries that perform well at freezing cold and scorching hot temperatures, while packing a lot of energy. The researchers accomplished this ...

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