(Phys.org) —Harvesting waste heat from power stations and even vehicle exhaust pipes could soon provide a valuable supply of electricity.
Energy & Green Tech
Jul 16, 2013
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To convert heat into electricity, easily accessible materials from harmless raw materials open up new perspectives in the development of safe and inexpensive so-called "thermoelectric materials." A synthetic copper mineral ...
Materials Science
Nov 8, 2022
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2561
Sensitive new telescopes now permit astronomers to detect the waste heat that is expected to be a signature of advanced alien civilizations that can harness enormous energies on the scale of the stellar output of their own ...
Astronomy
Sep 16, 2015
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4086
An international team of experts undertaking fundamental research has developed a way of using polyethylene waste (PE) as a feedstock and converted it into valuable chemicals, via light-driven photocatalysis.
Polymers
Dec 8, 2023
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538
A team of researchers from the U.K., China, and Saudi Arabia has developed a process for converting plastic waste into hydrogen gas and carbon nanotubes. In their paper published in the journal Nature Catalysis, the group ...
Think of it as recycling on the nanoscale: a tantalizing electrochemical process that can harvest carbon before it becomes air pollution and restructure it into the components of everyday products.
Analytical Chemistry
Feb 6, 2024
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130
Rare earth elements are hard to get and hard to recycle, but a flash of intuition led Rice University scientists toward a possible solution.
Materials Science
Feb 9, 2022
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1884
The rapidly growing desalination industry produces water for drinking and for agriculture in the world's arid coastal regions. But it leaves behind as a waste product a lot of highly concentrated brine, which is usually disposed ...
Materials Science
Feb 13, 2019
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607
Heat loss is one of the main challenges in power production—whether from conventional or renewable sources. The trouble is that the wasted energy often stems from limitations of the power conversion process. In a typical ...
Energy & Green Tech
Aug 26, 2015
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A designer metamaterial has shown it can engineer emitted "blackbody" radiation with an efficiency beyond the natural limits imposed by the material's temperature, a team of researchers led by Boston College physicist Willie ...
Condensed Matter
Jul 22, 2011
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