Category: Science & Technology News

We’ve all become accustomed to enjoying music and audio through speakers, relishing the freedom to move around the room or share the experience with others at concerts or movies. But as the world becomes more connected and personal audio listening grows, wireless headphones have become a must-have, allowing us to enjoy audio discreetly without disturbing those around us.

However, what if you could enjoy private audio without the need for headphones, wires, or any wearable devices at all? That’s the innovative promise behind Penn State University’s groundbreaking “Audible Enclave” technology. This new tech uses ultrasonic waves to create pockets of sound that are only audible to someone in a specific location, offering a personal listening experience without the need for headphones or any additional hardware.

When it comes to electric skateboards, some brands go for a sleek, retro design that hides the tech underneath, while others fully embrace their futuristic vibes. Parsec’s Aero Pro definitely belongs to the latter category, boasting a design that looks like it was plucked straight from The Matrix.

The Aero Pro features a carbon fiber deck, dual rear-wheel-drive motors, and a high-tech drivetrain that combines cutting-edge materials with serious performance. Built for those who crave the power and style of tomorrow’s tech, the Aero Pro comes equipped with a T800 carbon fiber deck, dual Hobbywing 5250 motors, 7075-T6511 aluminum trucks, S136H steel axles, and 80-mm polyurethane wheels. With a top speed of 27 mph (43 km/h) and the ability to accommodate riders up to 250 lb (113 kg), it’s a board designed to push the limits.

A significant hurdle to the widespread adoption of electric vehicles (EVs) has always been the time it takes to recharge them. This week, Chinese EV maker BYD revealed a breakthrough in charging technology with a charger that can recharge an electric vehicle almost as quickly as filling up at a gas station.

While the range of electric vehicles has dramatically improved over the years, most still offer about half the distance per charge compared to a full tank of gas. This limited range, combined with the fact that public charging stations are much less common than gas stations and take much longer to charge vehicles, has contributed to the widespread issue of “range anxiety.” Even though fast chargers can provide 200 miles of range in approximately 15 minutes, the time required to recharge remains a major sticking point for many consumers.

Star Catcher Industries has announced a significant achievement in its pursuit of space-based energy transmission, successfully beaming concentrated solar energy over 100 meters to satellite solar arrays on the ground at EverBank Stadium in Florida. The March 21 demonstration marked the first real-world test of the startup’s vision for a space-based power grid, one that eliminates the need for customer satellites to be retrofitted or outfitted with custom receivers.

Based in Jacksonville, Florida, Star Catcher aims to revolutionize energy delivery by harnessing solar power in space and transmitting it wirelessly to Earth. “This demonstration marks the first end-to-end test of our space power beaming technology, proving we can collect and transmit energy with the precision needed for space applications,” said Andrew Rush, co-founder and CEO of Star Catcher. “Today’s success takes us one step closer to eliminating power constraints in space and unlocking new capabilities for satellites and the customers they serve.”

A groundbreaking new technology known as thermal energy storage (TES) is set to transform the future of energy storage. At the heart of this innovation is an advanced thermal emitter that captures heat and converts it into electromagnetic radiation, which is then transformed into electricity through photovoltaic cells. Compared to conventional batteries, this system offers a more scalable and sustainable alternative. If successful, it could pave the way for a more efficient and eco-friendly energy storage solution, potentially replacing existing, less reliable systems.

Renewable energy sources such as solar and wind power hold great promise for reducing our reliance on fossil fuels, but they come with one major obstacle: intermittency. Since these energy sources depend on weather conditions and time of day, their availability is often unpredictable. This unpredictability can lead to instability in power generation, creating challenges for managing electrical grids. To address these fluctuations, large-scale energy storage systems are essential to balance supply and demand.

The intensifying global climate crisis has prompted an urgent push for innovative solutions, one of which lies in carbon capture and storage (CCS) technologies. Among the highest emitters of carbon dioxide globally, the cement industry has long been a significant contributor to climate change. However, scientists are now harnessing this excess carbon dioxide to turn it into a sustainable solution.

A team from Northwestern University has made a groundbreaking discovery, finding a way to create carbon-negative building materials using seawater, electricity, and CO2. Their method captures CO2 and transforms it into materials like concrete and cement, while permanently storing the carbon and producing clean hydrogen gas in the process. Drawing inspiration from nature, their technique mimics how coral and mollusks form their shells. Rather than using biological energy like these organisms, the process substitutes it with electrical energy to drive chemical reactions in seawater.

The Nano Materials Research Division at the Korea Institute of Materials Science (KIMS), under the leadership of Dr. Tae-Hoon Kim and Dr. Jung-Goo Lee, has made a groundbreaking advancement in the development of high-performance permanent magnets, eliminating the need for costly and scarce heavy rare earth elements. This marks the world’s first successful implementation of this innovative approach.

Permanent magnets are essential components in high-tech applications such as electric vehicle (EV) motors, robotics, and advanced home appliances. Traditionally, the production of these magnets has relied heavily on rare earth elements, particularly the heavy ones, which are mainly produced in China. This reliance has led to high resource dependence and inflated production costs, creating a need for alternative solutions.

A team of researchers from Saarland University and the Center for Mechatronics and Automation Technology (ZeMA) in Germany has introduced a groundbreaking air conditioning technology that could transform the way we cool and heat spaces, offering substantial energy savings and environmental benefits. This novel system harnesses the “elastocaloric effect” in nickel-titanium (Ni-Ti) shape memory alloys to cool and heat without relying on volatile refrigerants or burning fossil fuels.

The technology, dubbed elastocalorics, represents a cleaner, more sustainable alternative to conventional air conditioning systems. Unlike traditional methods, elastocaloric systems are only as polluting as the electricity that powers them, making them significantly more eco-friendly. The system’s energy efficiency and environmentally safe design have already garnered international attention, with the European Commission recognizing it as a leading alternative to standard cooling systems. Additionally, the World Economic Forum ranked elastocalorics among its “Top Ten Emerging Technologies” for 2024.

Researchers have made a breakthrough in audio technology, developing a system capable of remotely transferring sound over short distances—around one meter—while maintaining a volume equivalent to normal speaking levels (about 60 decibels). This innovation, while still in its early stages, has the potential to revolutionize how we experience sound in shared environments, offering a solution to the age-old problem of private listening without disturbing others.

Currently, the system uses high-intensity ultrasound to transmit sound, but the process has a few limitations. The high-intensity ultrasound is necessary to generate the moderate audio levels due to conversion inefficiencies, though the team emphasized that the sound levels used fall well within established safety guidelines. With further refinement, the researchers believe they can increase both the distance and the volume of the audio transmission by adjusting the ultrasound intensity.

Creating biohybrid robots—machines powered by lab-grown muscle tissue—has long been a goal for scientists aiming to build more adaptable, flexible robots. These robots could potentially squeeze and twist through spaces that are too small or complex for traditional machines. However, a significant challenge has stood in the way: existing artificial muscles typically only contract in one direction, limiting their range of motion. Imagine a robot with an arm that can only flex but can never rotate—this limitation has been a key obstacle.

Now, researchers at MIT have cracked the code for creating a new type of artificial muscle capable of complex, multi-directional movement. In a groundbreaking development, they’ve created artificial muscle fibers that can move in multiple directions, mimicking the behavior of the iris in a human eye. To prove their concept, the team designed a muscle-powered structure that contracts both in a circular and outward direction, showcasing a level of motion that previous biohybrid robots couldn’t achieve.

A team of researchers from Carnegie Mellon University has recently developed a groundbreaking method for producing large quantities of a material that could revolutionize the field of two-dimensional (2D) semiconductors. Their work, published in ACS Applied Materials & Interfaces in December 2024, promises to enhance the performance of photodetectors and pave the way for the next generation of light-sensing and multifunctional optoelectronic devices.

Semiconductors are at the heart of modern electronics, powering everything from smartphones and laptops to AI technologies. These materials control the flow of electricity by acting as a bridge between conductors (which allow electricity to flow freely) and insulators (which block it). According to Xu Zhang, assistant professor of electrical and computer engineering at Carnegie Mellon, the work done by his team is vital to advancing electronics and optoelectronics.

Supersolids, a bizarre and fascinating quantum state of matter, have now taken a new, mind-bending form: light itself. In a groundbreaking experiment, scientists have successfully transformed light into a supersolid, a development that could pave the way for advancements in quantum and photonic technologies.

Supersolids, a state previously only observed in atoms, combine the ordered structure of solids with the free-flowing properties of liquids. These extraordinary materials defy traditional classifications of matter, offering a crystalline arrangement like a solid while also exhibiting the fluid-like ability to flow without losing their shape—something that seems counterintuitive at first glance.