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From PIC to probe

A team of researchers at Ghent University and imec developed a silicon photonic temperature sensor that measures up to 180°C. The sensor was realized in the framework of the European SEER project, where partners focus on integrating optical sensors in manufacturing routines for composite parts.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Optical Microsystems·DateDec 15, 2023

Polaritons open up a new lane on the semiconductor highway

Purdue University researchers have found that polaritons can contribute a larger share of thermal conductivity in semiconductors, overcoming phonon limitations. By understanding how to design materials and structures, manufacturers can incorporate these polariton-based nanoscale heat transfer principles into chip designs.

SourcePurdue University·JournalJournal of Applied Physics·DateDec 7, 2023

Unlocking climate puzzle: Study reveals hidden physics in quasi-linear temperature-radiation link

A recent study explores the complex links between surface temperature and outgoing longwave radiation, uncovering hidden mechanisms shaping Earth's climate. The research reveals that vertical convective energy transport acts as an atmospheric mixer, suppressing nonlinearity between OLR and surface temperature.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateDec 5, 2023

Revolutionary idea by Lithuanian scientists: recycling cigarette waste to produce green fuel

Researchers at Kaunas University of Technology develop method to treat cigarette butts using pyrolysis, producing oil, char, and gas with real applications in fertilizers, wastewater treatment, energy storage, and biofuels. The process reduces biodiesel production costs by adding triacetin-rich oil as an additive.

SourceKaunas University of Technology·JournalJournal of Analytical and Applied Pyrolysis·TypeExperimental study·DateNov 27, 2023

First 2D semiconductor with 1000 transistors developed at EPFL Switzerland: Redefining energy efficiency in data processing

EPFL researchers have developed the world's first large-scale in-memory processor using 2D semiconductor materials, which could substantially cut the ICT sector's energy footprint. The processor combines data processing and storage onto a single device, reducing energy waste and improving efficiency.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Electronics·DateNov 13, 2023

Energy transition: A super-model to guide policy makers

A UNIGE team has developed a super-model to simulate the spread of three green technologies in Swiss municipalities by 2050. The results show that Switzerland is unlikely to achieve zero net carbon emissions by 2050 without significant policy changes, highlighting the need for increased efforts and updated policies.

SourceUniversité de Genève·JournalPNAS Nexus·TypeNews article·DateNov 6, 2023

Women with atrial fibrillation significantly benefit from pulsed field ablation procedures

A new study reveals that women with atrial fibrillation (AF) have comparable outcomes to men when undergoing pulsed field ablation (PFA), a safer and more precise procedure. The results show improved AF recurrence rates in women after PFA, making them an eligible candidate for this life-enhancing treatment.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJAMA Cardiology·TypeData/statistical analysis·DateNov 1, 2023

A potentially cheaper and 'cooler' way of hydrogen transport

Kyushu University researchers have developed a new material that can store hydrogen energy for up to three months at room temperature, using an inexpensive element like nickel. This innovation could potentially reduce the cost of future compounds and contribute to the transition to alternative energy sources.

SourceKyushu University·JournalChemistry - A European Journal·TypeExperimental study·DateOct 26, 2023

Researchers unveil fire-inhibiting nonflammable gel polymer electrolyte for lithium-ion batteries

Researchers have created a fire-inhibiting, nonflammable gel polymer electrolyte for lithium-ion batteries, increasing ion conductivity by 33% and improving life characteristics by 110%. The electrolyte prevents radical chain reactions during combustion, effectively inhibiting battery fires.

How to build greener data centers? Scientists say crank up the heat

Scientists propose new temperature guidelines for data centers that may help reduce energy consumption and save money. Researchers found that raising the temperature to around 41°C could lead to significant savings, with some areas able to rely entirely on free-cooling, reducing energy costs by up to 56%.

SourceCell Press·JournalCell Reports Physical Science·TypeComputational simulation/modeling·DateOct 18, 2023

Unlocking innovation: Multistable mechanical metamaterials’ evolution in design, manufacturing, and applications

Multistable mechanical metamaterials can switch between multiple stable configurations under external loading, making them reusable and efficient for quick action. Their unique properties make them promising for various engineering applications, including energy absorption, soft actuators/robots, and wave control.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateOct 10, 2023

Disaster-proofing sustainable neighborhoods requires thorough long-term planning, new Concordia study shows

A new study by Caroline Hachem-Vermette and Kuljeet Singh analyzed the design and energy characteristics of various neighborhoods to assess their vulnerabilities to power outages. The researchers found that thoughtful design can reduce a neighborhood's energy vulnerability during disruptions, and they recommend modifications to shelter...

SourceConcordia University·JournalRenewable and Sustainable Energy Reviews·TypeData/statistical analysis·DateOct 3, 2023

Separating molecules requires lots of energy. This new, heat-resistant membrane could change that

A University at Buffalo-led research team has created a new, sturdier membrane that can withstand harsh environments associated with industrial separation processes. The membrane, made from an inorganic material called carbon-doped metal oxide, is a potential alternative to energy-intensive processes like distillation and crystallization.

SourceUniversity at Buffalo·JournalScience·DateSep 27, 2023

KMOU researchers propose a novel liquid filter for enhanced solar energy utilization

The novel liquid filter efficiently absorbs UV light and infrared radiation, increasing the energy harvesting potential of de-coupled photovoltaic-thermal systems. The proposed system has been shown to improve conversion efficiency and reduce operating temperatures, making it economically beneficial.

SourceNational Korea Maritime and Ocean University·JournalEnergy Conversion and Management·TypeExperimental study·DateSep 21, 2023

Hot summer air turns into drinking water with new gel device

Researchers at the University of Texas at Austin have developed a molecularly engineered hydrogel that can create clean water from hot air, using solar energy. The device produces up to 7 kilograms of water per kilogram of gel materials, with potential applications for drought-stricken areas and countries lacking access to clean water.

SourceUniversity of Texas at Austin·JournalProceedings of the National Academy of Sciences·DateSep 11, 2023

An all-in-one surface design of copper nanowire assemblies to achieve ~100% defrosting efficiency

Scientists create a design that enables simultaneous presentation of photothermal, thermal conductive, and superhydrophobic properties, achieving record-high defrosting efficacy. The innovative assembly enhances de-icing and defrosting efficiency, reducing overall defrosting durations by 2-3 times.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateAug 28, 2023

New review in Energy Reviews discusses progress in the design of porous volumetric solar receivers

The study provides a condensed overview of recent advances and challenges in atmospheric and pressurized PVSRs, highlighting potential for improving performance through geometrical parameter optimization and spectrally selective absorption. Standardized evaluation methods remain essential to unlock the full potential of PVSRs.

SourceEnergy Reviews·JournalEnergy Reviews·TypeLiterature review·DateAug 28, 2023

Turning waste heat into energy

The team created a thermocell using a hydrogel that reacted to temperature changes, converting latent heat into electricity. This breakthrough supports the idea that various materials can be used for thermoelectric conversion, potentially reducing reliance on other energy sources and improving cooling systems.

SourceUniversity of Tokyo·JournalAdvanced Materials·TypeExperimental study·DateJul 18, 2023

How larger body sizes helped the colonizers of New Zealand

Researchers developed a model to estimate energy expenditure for thermoregulation on the first voyages from Tahiti to New Zealand. Results showed that larger body sizes helped colonizers survive harsher conditions, with males losing up to 13.3 pounds and females losing 5.9 pounds during a 25-day trip.

SourceOhio State University·JournalPLOS ONE·TypeComputational simulation/modeling·DateJul 12, 2023

Displays controlled by flexible fins and liquid droplets more versatile, efficient than LED screens

Researchers at the University of Illinois have developed a new type of flexible display that uses capillary-controlled robotic flapping fins and liquid droplets to create switchable optical and infrared light multipixel displays. The displays are 1,000 times more energy efficient than traditional LED screens.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalScience Advances·TypeExperimental study·DateJun 30, 2023

Energy insecurity is an underappreciated social and environmental determinant of health

Research highlights energy insecurity as a determinant of poor health, with disproportionately affected groups including low-income households and mobile home occupants. Energy insecurity encompasses physical, economic, and coping dimensions, reflecting financial hardship, housing quality issues, and adaptive strategies.

Study proposes simple low-cost solutions to improve thermal comfort in social housing

Researchers developed a pilot study to address the issue of thermal discomfort in social housing projects. They proposed replacing conventional windows with fully openable tilting windows, monolithic expanded polystyrene walls, and green-tinted tempered glass, which can reduce energy consumption and greenhouse gas emissions.