Friday, 16 January 2026

New battery technology could power wearable, self-sustaining fever detector

Added: 08.11.2021 21:39 | 232 views | 0 comments

Researchers hope to harness the thermal energy generated by body heat to power a small, electronic device capable of detecting fever in the wearer.

Tags: Technology

Source: feeds.sciencedaily.com

No ‘silver bullet’ for UK reaching net zero carbon emissions for electricity

Added: 08.11.2021 21:39 | 230 views | 0 comments

CO2 emissions from electricity in the UK fell by two thirds in the last decade due to several factors working together, rather than a single panacea.

Source: feeds.sciencedaily.com

Electrical control over designer quantum materials

Added: 08.11.2021 21:39 | 215 views | 0 comments

In the past few years, suitably engineered stacks of two-dimensional materials have emerged as a powerful platform for studying quantum correlations between electronic states. Physicists now demonstrate how key properties of such systems can be conveniently tuned by changing an applied electrical field.

Source: feeds.sciencedaily.com

Breaking trade-off problem that limits thermoelectric conversion efficiency of waste heat

Added: 08.11.2021 21:39 | 229 views | 0 comments

Scientists demonstrate that breaking the trade-off problem between thermopower and conductivity improves thermoelectric performance. They suggest introducing lattice strain into Mott insulator oxide LaTiO3 converts the electronic state to metal, and increases both thermopower and conductivity to induce a 100-fold increase in power factor, which in turn enables the conversion of waste heat to electricity more efficiently. Their findings could help ensure a more energy-efficient future.

Tags: Scientists

Source: feeds.sciencedaily.com

Researchers discover monolayer Mott insulator resistant to stimuli such as heat and light

Added: 08.11.2021 21:39 | 229 views | 0 comments

The discovery could pave the way for advances in electronics, energy storage and sustainability.

Source: feeds.sciencedaily.com

Plugging into ocean waves with a flexible, seaweed-like generator

Added: 08.11.2021 21:39 | 225 views | 0 comments

Ocean waves can be powerful, containing enough energy to push around sand, pebbles and even boulders during storms. These waves, as well as smaller, more gentle ones, could be tapped as a source of renewable energy. Now, researchers have developed flexible power generators that mimic the way seaweed sways to efficiently convert surface and underwater waves into electricity to power marine-based devices.

Source: feeds.sciencedaily.com

Space between polymer chains affects energy conversion

Added: 08.11.2021 21:39 | 230 views | 0 comments

Researchers have new insight into molecules that change their shape in response to light. The researchers studying azobenzene-based polymers found that their free volume -- a measure of the space between polymer chains -- was strongly linked with the polymers' ability to convert visible light radiation into mechanical energy.

Source: feeds.sciencedaily.com

New solution for low cost, light-weight and compact wireless transfer devices

Added: 08.11.2021 21:39 | 231 views | 0 comments

Scientists have successfully developed a new power controller system for wireless power transfer. The developed system will effectively reduce the amount of circuit components in wireless power transfer devices, as well as their cost and weight. This technology could be especially beneficial for electric cars, drones and other such vehicles for which a light weight and compact size are important, in addition to implantable medical devices such as pacemakers.

Tags: Drones , Scientists , Technology

Source: feeds.sciencedaily.com

Solar energy can be cheap and reliable across China by 2060

Added: 08.11.2021 21:39 | 216 views | 0 comments

How much will solar power really cost in China in the coming decades, including the challenges its inherent variability poses to the grid? Researchers have found that solar energy could provide 43.2% of China's electricity demands in 2060 at less than two-and-a-half U.S. cents per kilowatt-hour.

Tags: Cher

Source: feeds.sciencedaily.com

Optimum pressure to improve the performance of lithium metal batteries

Added: 08.11.2021 21:39 | 223 views | 0 comments

A team of materials scientists and chemists has determined the proper stack pressure that lithium metal batteries, or LMBs, need to be subjected to during battery operation in order to produce optimal performance.

Tags: Scientists

Source: feeds.sciencedaily.com

Scientists discover method to boost energy generation from microalgae

Added: 08.11.2021 21:39 | 231 views | 0 comments

The variety of humble algae that cover the surface of ponds and seas could hold the key to boosting the efficiency of artificial photosynthesis, allowing scientists to produce more energy and lower waste in the process. A study showed how encasing algae protein in liquid droplets can dramatically enhance the algae's light-harvesting and energy-conversion properties by up to three times. This energy is produced as the algae undergoes photosynthesis, which is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy. When light hits the droplet, light waves travel around the curved edges of the droplet. Light is effectively trapped within the droplet for a longer period of time, giving more opportunity for photosynthesis to take place, hence generating more energy.

Tags: Bacteria , Chemicals , Scientists , Seal , Seat

Source: feeds.sciencedaily.com

New theories and materials aid the transition to clean energy

Added: 08.11.2021 21:39 | 225 views | 0 comments

Scientists have explored different approaches to catalysis, a chemical process that plays an essential role in biological reactions, as well as many industrial applications. Chemical catalysts have been used in a variety of human applications, ranging from pharmaceutical development to biodegradable plastics and environmentally safe fertilizers. They may also advance the development of green energy solutions to address the climate crisis.

Tags: Beer , Chemicals , Scientists

Source: feeds.sciencedaily.com

Expansion of wind and solar power too slow to stop climate change

Added: 08.11.2021 21:39 | 228 views | 0 comments

The production of renewable energy is increasing every year. But after analyzing the growth rates of wind and solar power in 60 countries, researchers conclude that virtually no country is moving sufficiently fast to avoid global warming of 1.5°C or even 2°C. The article "National growth dynamics of wind and solar power compared to the growth required for global climate targets" was published in the journal Nature Energy, written by Aleh Cherp, Vadim Vinichenko, Jale Tosun, Joel A.Gordon and Jessica Jewell.

Tags: Cher , Global Warming , Jewel , NATO , Wine

Source: feeds.sciencedaily.com

Climate change threatens hydropower energy security in the Amazon basin

Added: 08.11.2021 21:39 | 213 views | 0 comments

Hydropower is the dominant source of energy in the Amazon region, the world's largest river basin and a hotspot for future hydropower development. However, a new study warns that in the coming decades, climate change-driven reductions in precipitation and river discharge will diminish the Amazon's hydropower capacity.

Tags: Amazon , Climate change

Source: feeds.sciencedaily.com

Bridging optics and electronics

Added: 08.11.2021 21:39 | 229 views | 0 comments

Researchers have developed a simple spatial light modulator made from gold electrodes covered by a thin film of electro-optical material that changes its optical properties in response to electric signals.

Tags: Fila , Gold

Source: feeds.sciencedaily.com

Lack of power grids sealed fate for early electric cars

Added: 08.11.2021 21:39 | 214 views | 0 comments

New research shows that insufficient infrastructure was key in American car manufacturers choosing gasoline cars over electric cars in the early 20th century. If electricity grids had spread just 15 or 20 years earlier, a majority of producers would have likely opted for electric cars, according to the study.

Tags: Seal , Seat

Source: feeds.sciencedaily.com

Winds of change: Improvements for wind energy production

Added: 08.11.2021 21:39 | 227 views | 0 comments

In recent years, much progress has been made in the wind energy industry as the cost of development has declined significantly with emerging technologies and incentive policies. Nevertheless, wind farms can be made more efficient. Researchers now examine diurnal and seasonal patterns of wind speeds and their impact on the adequacy of energy production. The results helped them develop a seasonal adequacy assessment procedure.

Tags: Beer , Police , Technology , Wine

Source: feeds.sciencedaily.com

Aadvance in rapid cancer detection and monitoring

Added: 08.11.2021 21:39 | 227 views | 0 comments

An engineer is reporting fast screening of the surface proteins of exosomes for cancer diagnostics and biomarker discovery.

Tags: Cancer , Rape

Source: feeds.sciencedaily.com

Enhancing piezoelectric properties under pressure

Added: 08.11.2021 21:39 | 222 views | 0 comments

Stress enhances the properties of a promising material for future technologies, with researchers' discovery of a new exotic state of a promising, room-temperature multiferroic material having exciting implications for future technologies using these enhanced properties.

Tags: Technology

Source: feeds.sciencedaily.com

New nanostructure could be the key to quantum electronics

Added: 08.11.2021 21:39 | 223 views | 0 comments

A novel electronic component could be an important key to the era of quantum information technology: Using a tailored manufacturing process, pure germanium is bonded with aluminum in a way that atomically sharp interfaces are created.

Tags: Bono , Germany

Source: feeds.sciencedaily.com

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