From pacemakers to neurostimulators, implantable medical devices rely on batteries to keep the heart on beat and to dampen pain. But batteries eventually run low and require invasive surgeries to replace.
Materials Science
Mar 27, 2024
1
164
The total solar eclipse isn't the only reason to keep your eyes to the sky this year. For the first time in 80 years, a star system 3,000 light years away will be visible to the naked eye thanks to a once-in-a-lifetime nova ...
Astronomy
Mar 19, 2024
1
1182
Entropy is often associated with disorder and chaos, but in biology it is related to energy efficiency and is closely linked to metabolism, the set of chemical reactions that sustain life.
Bio & Medicine
Mar 6, 2024
0
108
The extraction of the Earth's natural resources tripled in the past five decades, related to the massive build-up of infrastructure in many parts of the world and the high levels of material consumption, especially in upper-middle ...
Environment
Mar 4, 2024
1
57
On February 13, six transmission line towers in Victoria were destroyed by extreme wind gusts from thunderstorms, leading to forced electricity outages affecting tens of thousands of people. The intense winds knocked trees ...
Environment
Feb 28, 2024
2
13
A noticeable change filled the air last summer—an actual change in air quality. Wildfires in Canada produced smoke-filled skies and wood-burnt, chemically scented air. National media showed images of orange-tinged skies ...
Environment
Feb 27, 2024
0
34
University of Pennsylvania engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing ...
Optics & Photonics
Feb 16, 2024
5
499
Auger electron spectroscopy (AES) is an incredibly useful technique for probing material samples—but current assumptions about the process ignore some of the key time-dependent effects it involves. So far, this has resulted ...
General Physics
Feb 15, 2024
0
5
The final text of the latest UN climate summit COP28, now called the UAE consensus, called for countries to "transition away from fossil fuels in energy systems, in a just, orderly and equitable manner, accelerating action ...
Political science
Jan 23, 2024
0
1
Despite being a renewable energy source, the use of biofuel is controversial, as growing few, highly productive crops for fuel can lead to biodiversity loss in the cropping systems where biomass is produced. A cropping system ...
Ecology
Jan 23, 2024
0
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