科学 ニュース

Building construction accounts for a huge chunk of greenhouse gas emissions: About 36% of carbon dioxide emissions and 40% of energy consumption in Europe, for instance. That's why the European Union has developed regulations about the reuse of building materials.

Artificial intelligence may make it difficult for even the most discerning ears to detect deepfake voices—as recently evidenced in the fake Joe Biden robocall and the bogus Taylor Swift cookware ad on Meta—but scientists at Klick Labs say the best approach might actually come down to using AI to look for what makes us human.

Most discussions of how to avert climate change focus on solar and wind generation as key to the transition to a future carbon-free power system. But Michael Short, the Class of '42 Associate Professor of Nuclear Science and Engineering at MIT and associate director of the MIT Plasma Science and Fusion Center (PSFC), is impatient with such talk.

The solar energy world is ready for a revolution. Scientists are racing to develop a new type of solar cell using materials that can convert electricity more efficiently than today's panels.

There was no time to waste as researchers trawled through skip bins across Melbourne construction sites, capturing hundreds of photos of materials destined for landfill.

Researchers at Princeton's engineering school have found that placing a specially designed lid over a box can dramatically increase the airflow from wind blowing across the upper surface. It is not just a parlor trick. The information could help clean and cool urban canyons in cities like New York and Hong Kong and improve ventilation in popup restaurants and bus shelters.

By reinforcing concrete with textiles instead of steel, it is possible to use less material and create slender, lightweight structures with a significantly lower environmental impact. The technology to utilize carbon fiber textiles already exists, but it has been challenging, among other things, to produce a basis for reliable calculations for complex and vaulted structures.

Many publicly accessible artificial intelligence (AI) assistants lack adequate safeguards to consistently prevent the mass generation of health disinformation across a broad range of topics, warn experts in the BMJ. They call for enhanced regulation, transparency, and routine auditing to help prevent advanced AI assistants from contributing to the generation of health disinformation.

Argonne-led studies investigate how hydropower could help Alaska add more clean energy to its grid, how it generates value as grids add more renewable energy, and how liner technology can improve hydropower efficiency.

Researchers at the Indian Institute of Science (IISc) are using multiple swarms of drones to tackle natural disasters like forest fires. Forest fires are becoming increasingly catastrophic across the world, accelerated by climate change.

A new method for classifying electronic music has been developed by researchers in China. The approach offers a novel solution in an age of exploding digital content to curating music libraries and streaming services.

The journey toward a sustainable future hinges on our ability to harness the power of renewable sources effectively. Solar energy, in particular, has emerged as a cornerstone of this transition. However, the unpredictable and variable nature of sunlight poses a significant challenge for accurately predicting energy yields. This uncertainty not only hampers innovation, but unnecessarily delays the sun's use in global energy production.

A new assessment study identifies areas in Mexico City's metro system affected by land subsidence, providing a roadmap for mitigating damage, prioritizing repairs, and informing future designs for the metro's infrastructure.

Renovating buildings to improve their energy efficiency is a crucial step towards Switzerland achieving its climate targets. ETH Zurich researchers can now reveal the most effective renovation strategies for reducing greenhouse gas emissions: replace fossil-fuel heating systems and harness the potential of bio-based building materials like straw and hemp.

The feature featured 29-year-old Noland Arbaugh.

Robotic systems have become increasingly sophisticated over the past decades, evolving from rudimental stiff robots to a wide range of soft, humanoid, animal-inspired robots. Legged robots, particularly quadrupeds, have been found to be particularly promising for tackling simple tasks at ground level, such as exploring environments and carrying objects.

Researchers in Denmark are harnessing artificial intelligence and data from millions of people to help anticipate the stages of an individual's life all the way to the end, hoping to raise awareness of the technology's power, and its perils.

A committee found “data reliability concerns” in the research.

Paleontologist Rodolfo Salas said the skull belonged to the largest dolphin known to have inhabited the waters of South America, measuring 3 to 3.5 meters long.

Elon Musk has finally pulled back the curtain on what Neuralink has been doing behind the scenes -- showing off their very first subject using their tech ... and it's incredible.