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Planetary Sciences Jun 12, 2025

Would a planetary sunshade help cool the planet? This mission could find out

As climate change accelerates and politicians continue to argue, scientists are exploring radical new ways to protect our planet. One of the most ambitious concepts under development is a Planetary Sunshade System (PSS), ...

Nanophysics Jun 12, 2025

Ultrafast spin-exchange in quantum dots enhances solar energy and photochemical efficiency

Quantum dots are microscopic semiconductor crystals developed in the lab that share many properties with atoms, including the ability to absorb or emit light, a technology that Los Alamos researchers have spent nearly three ...

Astronomy Jun 12, 2025

How recurrent fluorescence helps organic molecules survive extreme interstellar conditions

The James Webb Space Telescope (JWST) has unlocked the depths of interstellar space with unprecedented clarity, offering humanity a high-resolution window into the cosmos. Harnessing this newfound capability, an international ...

Analytical Chemistry Jun 12, 2025

Molecular hopscotch boosts light upconversion

A new molecule that lets energy hop around quickly within its structure makes the upcycling of light more efficient and tunable. The Kobe University development lays out a design strategy for better solar power harnessing ...

General Âé¶¹ÒùÔºics Jun 11, 2025

Here's what happens when quark-gluon plasma 'splashes' during the most energetic particle collisions

New data from particle collisions at the Relativistic Heavy Ion Collider (RHIC), an "atom smasher" at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, reveals how the primordial soup generated in the ...

Quantum Âé¶¹ÒùÔºics Jun 11, 2025

Quantum mechanics provide truly random numbers on demand

Randomness is incredibly useful. People often draw straws, throw dice or flip coins to make fair choices. Random numbers can enable auditors to make completely unbiased selections. Randomness is also key in security; if a ...

Optics & Photonics Jun 11, 2025

Scientists achieve shortest hard X-ray pulses to date

Once only a part of science fiction, lasers are now everyday objects used in research, health care and even just for fun. Previously available only in low-energy light, lasers are now available in wavelengths from microwaves ...

Astronomy Jun 11, 2025

Supernovae may have kicked off abrupt climate shifts in the past—and they could again

When a star explodes, it sends high-energy particles out in all directions. This burst of energy can travel through space for thousands of light-years, traversing solar systems and even galaxies.

Astronomy Jun 11, 2025

Earth-based telescopes offer a fresh look at Cosmic Dawn

For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars in the universe affect light emitted from the Big Bang.

Optics & Photonics Jun 10, 2025

First on-chip photonic qubit enables GKP states for error correction at room temperature

Xanadu has achieved a significant milestone in the development of scalable quantum hardware by generating error-resistant photonic qubits on an integrated chip platform. A foundational result in Xanadu's roadmap, this first-ever ...

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