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Bio & Medicine Jul 14, 2021

Quantum physics helps destroy cancer cells

Cancer cell death is triggered within three days when X-rays are focused on tumor tissue containing iodine-carrying nanoparticles. The iodine releases electrons that break the tumor's DNA, leading to cell death. The findings, ...

Astronomy Jul 6, 2021

Kepler telescope glimpses population of free-floating planets

Tantalizing evidence has been uncovered for a mysterious population of "free-floating" planets, planets that may be alone in deep space, unbound to any host star. The results include four new discoveries that are consistent ...

Astronomy Jun 29, 2021

Bend it like Einstein: Astronomers turn galaxies into magnifiers

Astronomers have turned a cluster of galaxies into a gargantuan magnifying lens, using it to study another galaxy, 10.7 billion light years away, in unprecedented detail.

Optics & Photonics Jun 18, 2021

Graphene drum: A new phonon laser design

Professor Konstantin Arutyunov of the HSE Tikhonov Moscow Institute of Electronics and Mathematics (MIEM HSE), together with Chinese researchers, has developed a graphene-based mechanical resonator, in which coherent emission ...

Optics & Photonics Jun 17, 2021

Probing the dynamics of photoemission

Almost a century ago, Albert Einstein received the Nobel Prize for Physics for his explanation of the photoelectric effect. Published in 1905, Einstein's theory incorporated the idea that light is made up of particles called ...

General Physics Jun 16, 2021

When testing Einstein's theory of general relativity, small modeling errors add up fast

Small modeling errors may accumulate faster than previously expected when physicists combine multiple gravitational wave events (such as colliding black holes) to test Albert Einstein's theory of general relativity, suggest ...

General Physics May 21, 2021

Handwritten example of famous Einstein equation gets $1.2M

A letter written by Albert Einstein in which he writes out his famous E = mc2 equation has sold at auction for more than $1.2 million, about three times more than it was expected to get, Boston-based RR Auction said Friday.

General Physics May 13, 2021

Long-lost letter from Einstein discusses link between physics and biology—70 years before evidence emerges

Since the dawn of the electronic age, it has never been easier for researchers to engage with the general public—gaining access to precious resources otherwise unavailable.

Astronomy May 3, 2021

Search for 'dark energy' could illuminate origin, evolution, fate of universe

The universe we see is only the very tip of the vast cosmic iceberg.

Quantum Physics Apr 23, 2021

Quantum steering for more precise measurements

Quantum systems consisting of several particles can be used to measure magnetic or electric fields more precisely. A young physicist at the University of Basel has now proposed a new scheme for such measurements that uses ...

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