Engineering
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Research in the International Journal of Surface Science and Engineering has investigated the potential of neem seed oil as a sustainable bio-lubricant to replace conventional petroleum-derived oils.
Nuclear expansion failure shows simulations require change
The widespread adoption of nuclear power was predicted by computer simulations more than four decades ago but the continued reliance on fossil fuels for energy shows these simulations need improvement, a new study has shown.
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Web tool looks belowground for an economically viable renewable energy source
Geothermal power has a lot of promise as a renewable energy source that is not dependent on the sun shining or the wind blowing, but it has some challenges to wide adoption. One of these challenges is that there are a limited number of locations in the U.S. that naturally have the right conditions: hot rock relatively close to the surface and with plentiful groundwater to heat up.
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Template for success: Shaping hard carbon electrodes for next-generation batteries
Lithium-ion batteries (LIBs) are, by far, the most widely used type of rechargeable batteries, spanning numerous applications. These include consumer electronics, electric vehicles, renewable energy systems, and spacecraft.
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Researchers’ ‘cooling glass’ blasts building heat into space
University of Maryland researchers aiming to combat rising global temperatures have developed a new “cooling glass” that can turn down the heat indoors without electricity by drawing on the cold depths of space.
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Developing a low-carbon cement with a significantly lower embodied CO2 content than traditional cement
ETH researchers are developing a low-carbon cement with a significantly lower embodied CO2 content than traditional cement. The Ultra Green Concrete project aims to make low-carbon, high-performance concrete widely accessible.
New cooling ceramic can enhance energy efficiency for the construction sector and help combat global warming
A significant breakthrough in developing a passive radiative cooling (PRC) material has been announced by researchers at City University of Hong Kong (CityU). The findings have been published in the journal Science in a paper titled “Hierarchically structured passive radiative cooling ceramic with high solar reflectivity.”
Replacing cement with slag in concrete manufacture to reduce its climate footprint
The addition of slag has been shown to reduce greenhouse gas emissions from concrete manufacture by more than 95%. Researchers have now discovered that the concrete delivers.
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The secret to longer lasting batteries might be in how soap works, new study says
When it comes to making batteries that last longer, a team of researchers including engineers at Brown University and Idaho National Laboratory believes the key might be in how things get clean—specifically how soap works in this process.
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Ammonia fuel offers great benefits but demands careful action, says study
Ammonia, a main component of many fertilizers, could play a key role in a carbon-free fuel system as a convenient way to transport and store clean hydrogen. The chemical, made of hydrogen and nitrogen (NH3), can also itself be burned as a zero-carbon fuel. However, new research led by Princeton University illustrates that even though it may not be a source of carbon pollution, ammonia’s widespread use in the energy sector could pose a grave risk to the nitrogen cycle and climate without proper engineering precautions.
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