A comprehensive review of similarity theory in PEMFC research reveals its potential to accelerate progress. The study highlights the benefits of using dimensionless analysis to compare results and reduce testing efforts. However, challenges remain in developing integrated performance criteria.
The AI optimization improves the motor's power factor, reducing disruptions to the power grid. The optimized motor shows excellent performance, with improved efficiency and increased torque while drawing less current.
Researchers at Stanford University have overcome a key obstacle in phase-change memory technology, enabling faster and more energy-efficient data storage. By using a thermally insulating flexible substrate, they reduced power consumption by a factor of 10 on flexible substrates and 100 on rigid silicon.
Researchers from the University of Tsukuba have discovered that ultraviolet light can modulate oxide ion transport in a perovskite crystal at room temperature. This enables the enhancement of future battery and fuel cell functionality by increasing energy storage and output efficiency.
North Carolina State University researchers develop a soft and stretchable device that harnesses kinetic energy from movement to generate electricity. The device works in both dry and wet environments, including underwater, with a power density comparable to popular energy harvesting technologies.
New nanocomposite materials with high thermal conductivity are being developed to address the challenges of electronic devices and infrastructure. These materials can withstand extreme temperatures, mechanical stress, and moisture while retaining the advantages of polymers.
A new national poll found that many older adults aren't fully prepared for emergency situations, with fewer than half having signed up for emergency warning systems or put together an emergency kit. The poll highlights the importance of key steps such as having a backup power supply and communicating evacuation plans with loved ones.
Researchers have made the world's first real physical measurements of carbon nanotube conductivity, validating theoretical models and paving the way for improved electrical power cables. The new approach uses identical carbon nanotubes with varying diameters to measure conductivity between them.
A new study by UTSA researchers presents a method to stop cyber attacks on GPS-enabled devices, including electrical grids and driverless cars. The algorithm can recognize false GPS signals and counter an attack in real-time, making it crucial for securing GPS signals used in various technologies.
Researchers from Universite catholique de Louvain and Stanford University have synthesized a molecule with exceptional electronic properties, allowing for miniaturized devices. The discovery could lead to new miniaturization opportunities for future computers and green devices.
A new filter technology has been developed using inert gas to bore holes in high-quality steel, resulting in a more stable and flexible membrane. The process is environmentally friendly and eliminates the need for toxic chemicals, making it an attractive alternative to plastic membranes in highly sensitive applications.
The gift enables researchers to study ways to improve electrical systems using software-defined networking technology, aiming to boost efficiency and security. The laboratory will be one of the first facilities to test emerging tech in managing power distribution.
New research by National Physical Laboratory produces technology for accurate measurements of Planck's constant, a fundamental constant that relates frequency to energy. The technique enables the kilogram to be redefined in terms of this constant, providing a universal standard and greater long-term certainty for scientists.
Scientists at Sandia have successfully imaged the Rayleigh-Taylor instability in fast Z-pinches, a major obstacle to harnessing nuclear fusion. The accurate simulations will enable researchers to better tweak conditions and combat the effect of the instability, potentially achieving scientific breakeven in two to three years.