One of the most important components of satellites that enable telecommunication is the waveguide, which is a metal tube for guiding radio waves. It is also one of the heaviest payloads satellites carry into orbit. As with ...
Nanomaterials
Feb 7, 2024
0
136
New research led by Monterey Bay Aquarium and the University of California, Santa Cruz, reveals that denser, and more sheltered, kelp forests can withstand serious stressors amid warming ocean temperatures. Published in Proceedings ...
Plants & Animals
Feb 7, 2024
0
43
The most powerful events in the known universe—gamma-ray bursts (GRBs)—are short-lived outbursts of the highest-energy light. They can erupt with a quintillion (a 10 followed by 18 zeros) times the luminosity of our sun. ...
Astronomy
Feb 7, 2024
0
50
Metropolitan areas with multiple city centers and dispersed green spaces mitigate extreme heat more effectively than those with one dominant city, an analysis by Cornell city planning scholars finds.
Environment
Feb 7, 2024
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12
The new chief of the World Meteorological Organization said it looks to her that the rate of human-caused climate change is accelerating and that warming has triggered more Arctic cold outbreaks in North America and Europe, ...
Environment
Feb 7, 2024
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2
In the realm of materials science, electromagnetic (EM) metamaterials have emerged as a revolutionary class of engineered composites capable of manipulating electromagnetic waves in ways never before possible. Unlike their ...
Condensed Matter
Feb 6, 2024
1
32
It's easy to measure fuel in tanks on Earth, where gravity pulls the liquid to the bottom. But in space, the game changes. Quantifying fuel that's floating around inside a spacecraft's tank isn't so simple.
Space Exploration
Feb 6, 2024
1
1
Later this month, NASA's commercial lunar delivery services provider Intuitive Machines will launch its Nova-C lunar lander carrying several NASA science and technology payloads, including the Navigation Doppler Lidar (NDL). ...
Space Exploration
Feb 6, 2024
0
11
Programmable photonic integrated circuits (PPICs) process light waves for computation, sensing, and signaling in ways that can be programmed to suit diverse requirements. Researchers at Daegu Gyeongbuk Institute of Science ...
Optics & Photonics
Feb 5, 2024
1
60
A handful of centuries-old sponges from deep in the Caribbean are causing some scientists to think human-caused climate change began sooner and has heated the world more than they thought.
Earth Sciences
Feb 5, 2024
0
54
