Generating electricity from heat using the spin Seebeck device

Thermoelectric (TE) conversion offers a carbon-free power generation from geothermal, waste, body or solar heat, and shows promise to be the next-generation energy conversion technology. At the core of such TE conversion, there lies an all solid-state thermoelectric device which…

TPU scientists: Effective application of power transformers to reduce cost of electrical energy

Scientists from Tomsk Polytechnic University and Université Grenoble Alpes (France) have proposed a more accurate method for loading capability assessment of power transformers. As an example, the scientists defined the loading capability of the power transformer in Tomsk and Grenoble.…

A safer, greener way to make solar cells: researchers find replacement for toxic solvent

Scientists at SPECIFIC Innovation and Knowledge Centre, Swansea University, have found a way to replace the toxic, unsustainable solvents currently needed to make the next generation of solar technology. Printed carbon perovskite solar cells have been described as a likely…

University of Surrey delivers novel methods to improve the range and safety of e-vehicles

A University of Surrey project has revealed innovative methods that could dramatically improve the performance of future electrical vehicles (e-vehicles). As part of the European Union’s STEVE* project, Surrey has developed several pioneering approaches to torque vectoring in electric vehicles.…

New material could create ‘neurons’ and ‘synapses’ for new computers

Classic computers use binary values (0/1) to perform. By contrast, our brain cells can use more values to operate, making them more energy-efficient than computers. This is why scientists are interested in neuromorphic (brain-like) computing. Physicists from the University of…

Scientists debut most efficient ‘optical rectennas,’ devices that harvest power from heat

Scientists at the University of Colorado Boulder have tapped into a poltergeist-like property of electrons to design devices that can capture excess heat from their environment–and turn it into usable electricity. The researchers have described their new “optical rectennas” in…

Scientists debut most efficient ‘optical rectennas,’ devices that harvest power from heat

Scientists at the University of Colorado Boulder have tapped into a poltergeist-like property of electrons to design devices that can capture excess heat from their environment–and turn it into usable electricity. The researchers have described their new “optical rectennas” in…

‘Bite’ defects revealed in bottom-up graphene nanoribbons

Graphene nanoribbons (GNRs), narrow strips of single-layer graphene, have interesting physical, electrical, thermal, and optical properties because of the interplay between their crystal and electronic structures. These novel characteristics have pushed them to the forefront in the search for ways…

New algorithm uses a hologram to control trapped ions

Researchers have discovered the most precise way to control individual ions using holographic optical engineering technology. The new technology uses the first known holographic optical engineering device to control trapped ion qubits. This technology promises to help create more precise…

Scientists at NREL report new synapse-like phototransistor

Researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) developed a breakthrough in energy-efficient phototransistors. Such devices could eventually help computers process visual information more like the human brain and be used as sensors in things like…

Electric vehicle batteries: The older they get, the safer they are

As part of the project “SafeBattery”, a team from Graz University of Technology (TU Graz) has been investigating the behaviour of lithium-based batteries in electric cars under crash loads for the past four years. “The performance of new battery cells…

Blockchain as ‘TechQuity’: How tech solutions have the power to help the homeless

AUSTIN, Texas — For people experiencing homelessness, missing proof of identity can be a major barrier to receiving critical services, from housing to food assistance to health care. Physical documents such as driver’s licenses are highly susceptible to loss, theft…

Reducing blue light with a new type of LED that won’t keep you up all night

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been linked to eye troubles and sleep disturbances. Now,…

Smart sensors to provide real time data for optimized operation of district heating grid

Researchers from the universities in Aarhus and Aalborg are working closely with leading companies to develop intelligent, battery-less sensors that communicate wirelessly to an autonomous cloud-based monitoring system

New tech builds ultralow-loss integrated photonic circuits

Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of today’s global telecommunication networks and…

Story tips: Mighty Mo material, fueling retooling, goods on the move, doubling concrete and more

Manufacturing – Mighty Mo Oak Ridge National Laboratory scientists proved molybdenum titanium carbide, a refractory metal alloy that can withstand extreme temperature environments, can also be crack free and dense when produced with electron beam powder bed fusion. Their finding…

Record GE Gas Power gift honors engineering legend, drives diversity in STEM fields

In an effort to bridge the gap between talent and opportunity, GE Gas Power today announced it is establishing a historic annual scholarship to support underrepresented minorities and women on campus – the largest in the history of Clemson’s College…

Even without a brain, Penn Engineering’s metal-eating robots can search for food

When it comes to powering mobile robots, batteries present a problematic paradox: the more energy they contain, the more they weigh, and thus the more energy the robot needs to move. Energy harvesters, like solar panels, might work for some…

Biggest “local” 5G network in Japan comes to Tokyo Metropolitan University

Tokyo Metropolitan University (TMU) is constantly striving to maintain a cutting-edge research environment, not just to keep its place among the top universities in the world, but to promote research that resolves the big issues of big cities. As part…

Sussex scientists develop ultra-thin terahertz source

Physicists from the University of Sussex have developed an extremely thin, large-area semiconductor surface source of terahertz, composed of just a few atomic layers and compatible with existing electronic platforms. Terahertz sources emit brief light pulses oscillating at ‘trillion of…