2024 – Page 36 – Impact Lab

Giant Clams: Nature’s Most Efficient Solar Energy Systems

July 8, 2024

Giant clams boast precise geometries—dynamic, vertical columns of photosynthetic receptors covered by a thin, light-scattering layer—that might make them the most efficient solar energy systems on Earth.

“It’s counterintuitive to a lot of people because clams operate in intense sunlight, but actually, they’re really dark on the inside,” says Alison Sweeney, associate professor of physics and ecology and evolutionary biology at Yale. “The truth is that clams are more efficient at solar energy conversion than any existing solar panel technology.”

Robotics

RoboGrocery: MIT’s New Soft Robotic System Revolutionizes Automated Bagging

July 7, 2024

The first self-checkout system was installed in 1986 in a Kroger grocery store just outside of Atlanta. While it took several decades for the technology to proliferate across the U.S., grocery stores are now firmly headed in the direction of automation. With this trend, robotic bagging seems to be the next logical step. MIT’s CSAIL department is at the forefront of this development, showcasing their new system called RoboGrocery.

RoboGrocery combines computer vision with a soft robotic gripper to bag a wide range of grocery items. To test the system, researchers placed 10 unknown objects on a grocery conveyor belt. The products included delicate items such as grapes, bread, kale, muffins, and crackers, as well as sturdier items like soup cans, meal boxes, and ice cream containers.

Robots

Robot Pets: A New Frontier in Combating Loneliness Among Older Adults

July 7, 2024

In the early 1990s, a researcher at Japan’s National Institute of Advanced Industrial Science and Technology began work on what would become Paro, a therapeutic robot resembling a doe-eyed seal pup. Over 30 years later, Paro remains the best-known example of a robot designed to provide companionship for older adults. In 2011, Paro even made an unofficial cameo on “The Simpsons,” highlighting its cultural impact.

Japan has long been a leader in age-tech robotics due to its rapid adoption of new technology and its aging population, with 29% of its citizens being 65 or older. While increased life expectancy is generally positive, it can also erode traditional support structures. Robots have been proposed as a solution to supplement human care shortages and alleviate loneliness among older adults.

AI

Revolutionizing Agriculture: The Transformative Power of Edge AI

July 7, 2024

The transformative power of artificial intelligence (AI) is poised to make a significant impact on one of the world’s oldest and most critical sectors: agriculture. A new study suggests that “edge AI” could revolutionize farming practices, boost productivity, and achieve sustainability goals across the global food chain.

Edge AI involves programming AI algorithms directly on local devices “at the edge” of a network rather than in a centralized data center. This technology has the potential to enhance farming practices by integrating sensors and AI into smart farm vehicles and machines, facilitating precise irrigation and agrochemical application. According to the study, this precision can reduce the use of water, fertilizers, and agrochemicals, advancing sustainability strategies on farms.

Science & Technology News

Rio Tinto to Launch Carbon-Free Aluminum Smelting Technology in Canada

July 6, 2024

British-Australian mining company Rio Tinto is set to debut a novel carbon-free aluminum smelting technology at its facility in Canada. This initiative aims to accelerate the shift to more environmentally friendly production methods and significantly reduce greenhouse gas emissions.

The Elysis technology, which replaces traditional smelting processes, promises to eliminate all direct greenhouse gases, producing oxygen instead. This groundbreaking technology will be installed at Rio Tinto’s Arvida smelter in Quebec, where the company will design, engineer, and build a demonstration plant with ten pots operating at 100 kiloamperes (kA).

Cancer

Nanobots: A Promising Breakthrough in Cancer Treatment

July 6, 2024

In a groundbreaking development in cancer treatment, researchers have created nanobots that have shown the ability to kill cancer cells in mice. This innovative approach offers hope for more targeted and effective cancer therapies in the future.

Researchers at Karolinska Institutet previously developed structures that organize death receptors on the surface of cells, inducing cell death. These structures consist of six peptides (amino acid chains) arranged in a hexagonal pattern. Death receptors are like switches on cell surfaces that, when activated by signals such as tumor necrosis factor (TNF), initiate apoptosis, or programmed cell death. This process helps control cell survival and death in living organisms.

Jet

The Paradoxal Hypersonic Jet: Revolutionizing Long-Distance Travel

July 6, 2024

Imagine reducing the travel time between Los Angeles and Sydney from 15 hours to just 3 hours. It sounds like science fiction, but Charles Bombardier, the grandson of the aviation giant Bombardier, believes this could become a reality in the foreseeable future. Charles Bombardier, a mechanical engineer, leads a nonprofit organization named Imaginactive, which has developed numerous ambitious and world-changing concepts. One of these is the Paradoxal hypersonic jet, designed to travel at an astonishing Mach 24, nearly 16,000 mph.

At this incredible speed, the Paradoxal could fly from JFK to Heathrow, London—a distance of 3,450 miles—in just 11 minutes. The jet’s designer, Juan Garcia Mansilla, collaborated with scientists and engineers, including professionals from NASA, to develop this concept. The Paradoxal resembles a futuristic version of the B2 stealth bomber and the peregrine falcon, the world’s fastest bird during its dive to catch prey.

China

Shenzhen-Zhongshan Link: A Marvel of Modern Engineering Transforming Travel Across the Pearl River Estuary

July 6, 2024

The Pearl River estuary, where the Pearl River flows into the South China Sea, is one of the most densely populated areas in the world. It encompasses Hong Kong, Macao, and nine cities in Guangdong, separated by wide bodies of water, making travel a significant challenge. The Shenzhen-Zhongshan Link is designed to remedy this by providing a streamlined connection across the estuary.

Spanning 24 km (15 miles), the Shenzhen-Zhongshan Link connects the cities of Shenzhen and Zhongshan, situated on opposite banks of the Pearl River estuary. The link is not a single long bridge; instead, it features an underwater tunnel in the middle, flanked by two artificial islands, with bridges connecting each island to the respective city.

Medicine

Breakthrough Gel-Based Material for Knee Cartilage Replacement Developed by Duke University Researchers

July 5, 2024

Researchers at Duke University have created a revolutionary gel-based material designed to replace knee cartilage. This new substitute is stronger and more durable than natural cartilage, offering hope for those suffering from osteoarthritis. Nearly one in six adults worldwide are affected by this condition, which is characterized by knee pain due to worn-out cartilage. This gel-based substitute could provide an alternative to knee replacement surgery, presenting a more effective treatment option for patients with knee pain. Sparta Biomedical is developing and testing the implant in sheep, and human clinical trials began in 2023.

In testing, the hydrogel was found to be 26% stronger than natural cartilage in tension and 66% stronger in compression. The Duke University team addressed several design challenges in creating the implant, such as securely attaching it to the joint, which previous studies had not successfully achieved.

Science & Technology News

MetaBOC: The Future of Brain-Computer Interaction and Biocomputing

July 4, 2024

Living brain cells wired into organoid-on-a-chip biocomputers can now learn to drive robots, thanks to an open-source intelligent interaction system called MetaBOC. This groundbreaking project aims to integrate human brain cells with artificial bodies.

Biocomputing is one of the most astonishing frontiers in emerging technology, enabled by the fact that our neurons communicate using electrical signals, the same language as computers. Human brain cells, grown in large quantities onto silicon chips, can receive electrical signals from a computer, process them, and respond. More impressively, they can learn. The concept was first demonstrated in the DishBrain project at Monash University, Australia. Researchers grew about 800,000 brain cells onto a chip, placed it into a simulated environment, and observed as this biocomputer learned to play Pong within five minutes. This project was swiftly funded by the Australian military and evolved into a company called Cortical Labs.

Solar Power

World’s Largest Solar Plant: China Turns on Massive 3.5-Gigawatt Solar Farm in Xinjiang

July 3, 2024

The title “world’s largest” often rotates among wind and solar farms as they surpass previous records in turbine height, panel count, or capacity. Recently, a subsidiary of the China Green Development Investment Group has inaugurated the world’s largest solar plant, a 3.5-gigawatt operation located in the Xinjiang region, as reported by PV Magazine. Known as the Xinjiang Midong solar project, it features over 5.26 million panels. For context, one gigawatt can power 100 million LED light bulbs.

According to Reuters, this expansive 32,947-acre solar farm, which became operational on June 3, will produce approximately 6.09 billion kilowatt-hours of electricity annually—enough to power Papua New Guinea for an entire year. The state-owned developer of this project manages wind and solar operations across 12 provinces. Their website emphasizes a commitment to a philosophy of being “people-oriented, ecology as the root, and culture as the soul.”

Science & Technology News

Rodney Brooks: Rethinking AI Hype and Practical Robotics

July 3, 2024

When Rodney Brooks talks about robotics and artificial intelligence, it’s worth paying attention. As the Panasonic Professor of Robotics Emeritus at MIT and a co-founder of influential companies such as Rethink Robotics, iRobot, and Robust.ai, Brooks has a wealth of experience and insight. He also led the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) for a decade, starting in 1997.

Brooks frequently makes predictions about AI’s future and even keeps a scorecard on his blog to track his accuracy. Despite the current excitement surrounding generative AI, Brooks suggests it may be time to temper expectations. He acknowledges the technology’s impressive capabilities but warns that it isn’t as all-encompassing as some believe.