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Robotics

Soft robotics redefined: Meet the light-driven toroidal micro-robot that navigates viscous liquids autonomously

Researchers from Tampere University in Finland and Anhui Jianzhu University in China have made a significant breakthrough in soft robotics. Their study introduces the first toroidal, light-driven micro-robot that can move ...

Engineering

Holographic 3D printing has the potential to revolutionize multiple industries, say researchers

Researchers at Concordia have developed a novel method of 3D printing that uses acoustic holograms. And they say it's quicker than existing methods and capable of making more complex objects.

Engineering

Solar-powered desalination system requires no extra batteries, could provide drinking water at low cost

MIT engineers have built a new desalination system that runs with the rhythms of the sun. The researchers report details of the new system in a paper appearing in Nature Water.

Automotive

Expert suggests driver's test for autonomous vehicles in US

At a time of growing concern about the safety of self-driving vehicles, a leading expert is calling on the federal government to develop a national driver's test that such vehicles would have to pass before they could travel ...

Energy & Green Tech

Research highlights China's coal transition complexities

A new paper from the University of California San Diego details how China faces numerous political, economic and technological obstacles as it tries to transition away from coal—the country's primary energy source—while ...

Automotive

Will Tesla's robotaxi reveal live up to hype?

After years of talking up Tesla's prowess on autonomous driving, Elon Musk is set to host Thursday a much-hyped robotaxi event amid a mix of anticipation and skepticism.

Business

US industrial policy may strengthen EV battery supply chain

Vehicle electrification is an important pathway to reducing global greenhouse gas emissions. The supply chain for electric vehicle battery materials relies heavily on China, a dependency that can leave the US vulnerable to ...

Machine learning & AI

Meta's Movie Gen lets users animate photos into videos

Meta on Friday provided a look at a generative artificial intelligence model it is working on that lets people create short videos, complete with audio, from text prompts and photos.

Energy & Green Tech

Ultra-sensitive optical sensor can reduce hydrogen's risks

In the pursuit of clean and renewable energy, hydrogen plays an important role. But a major challenge facing this transition is that the gas is explosive when mixed with air. For this reason, it is crucial to be able to detect ...

Engineering

Breaking the scaling limits of analog computing

As machine-learning models become larger and more complex, they require faster and more energy-efficient hardware to perform computations. Conventional digital computers are struggling to keep up.

Engineering

Are we there yet? Time slows down on crowded train

Testing time perception in an unusually lifelike setting—a virtual reality ride on a New York City subway train—an interdisciplinary Cornell research team found that crowding makes time seem to pass more slowly.

Electronics & Semiconductors

Compliant and conductive carbon nanomaterial for on-skin electronics

A soft and flexible electronic "e-skin," so sensitive it can detect the minute temperature difference between an inhaled and an exhaled breath, could form the basis of a new form of on-skin biosensor. The ultrathin material ...

Engineering

Protons fix a long-standing issue in silicon carbide electronics

Silicon carbide (SiC) is a semiconductor material that outperforms pure silicon-based semiconductors in several applications. Used mostly in power inverters, motor drives, and battery chargers, SiC devices offer benefits ...

Electronics & Semiconductors

Miniature and durable spectrometer for wearable applications

Researchers have developed a wafer-thin chip-scale spectrometer that is suitable for wearable applications. The robust gallium nitride lab-on-a-chip device can also withstand harsh environments with severe radiation, such ...

Engineering

Single-cell-driven, tri-channel encryption meta-displays

Pockets of the POSTECH campus are turning into metaverse-ready spaces. Leveraging lessons learned from the COVID-19 pandemic, POSTECH has employed metaverse learning to enable students to conduct experiments and receive training ...

Energy & Green Tech

Cooling down solar cells, naturally

A bright, sunny, cloudless day might seem like the optimal setting for solar cells. But too much sun, and too much heat, can actually reduce the efficiency of photovoltaics.