Search results for solar efficiency

Space Exploration Apr 4, 2025

A mission that could reach Mercury on solar sails alone

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing momentum from a launch starting point on Earth. It can take missions several years and planetary ...

Environment Apr 3, 2025

What Donald Trump's dramatic US trade war means for global climate action

US President Donald Trump's new trade war will not only send shockwaves through the global economy—it also upsets efforts to tackle the urgent issue of climate change.

Astronomy Apr 3, 2025

Hierarchical cluster formation in the Milky Way's core caps birth of massive stars

An international research team led by Dr. Zhang Suinan from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences has uncovered the unique mechanisms governing star formation in the Central Molecular Zone ...

Space Exploration Apr 3, 2025

Solar cells made of moon dust could power future space exploration

The same dirt that clings to astronauts' boots may one day keep their lights on. In a study published in Device, researchers created solar cells made out of simulated moon dust. The cells convert sunlight into energy efficiently, ...

Earth Sciences Apr 2, 2025

Hunga volcano eruption's unexpected Southern Hemisphere cooling effect challenges geoengineering assumptions

When Hunga Tonga–Hunga Haʻapai, an underwater volcano near Tonga in the South Pacific Ocean, erupted in 2022, scientists expected that it would spew enough water vapor into the stratosphere to push global temperatures ...

Astronomy Apr 2, 2025

Galaxies die earlier than expected: Webb sees signs of halted star formation 700 million years after Big Bang

An international team led by UNIGE shows that red and dead galaxies can be found only 700 million years after the Big Bang, indicating that galaxies stop forming stars earlier than predicted by models.

Biotechnology Apr 1, 2025

Compostable sensors could help grow impact of digital agriculture

Screen-printed, biodegradable soil sensors that can be composted at the end of their lifecycle could enable farmers to improve crop yields while reducing electronic waste, researchers say.

Environment Mar 31, 2025

West Africa's hazardous winds: Harmattan carries more than dust—it also spreads disease

Every year, from December to April, the Harmattan sweeps across Africa. This cool, dry and dust-laden wind gets its name from haramata, a word in the Ghanaian language Fanti.

Nanophysics Mar 31, 2025

Time-resolved photoluminescence unlocks nanoscale insights into surface-modified metal oxide semiconductors

In the quest for next-generation energy, sensing, and pigment technologies, semiconducting metal oxides like titanium dioxide (TiO₂) have emerged as essential materials due to their abundance, stability, and intriguing ...

Environment Mar 30, 2025

AI-powered drones track down fires in German forests

Inside a green orb planted in the German countryside is a high-tech aid to prevent wildfires that have grown more common and destructive with rising global temperatures.

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