Physics

A new hybrid X-ray detector goes toe-to-toe with state-of-the-art rivals

A new hybrid X-ray detector developed by the University of Surrey outperforms commercial devices—and could lead to more accurate cancer therapy.

In search for dark matter, new fountain design could become wellspring of answers

You can't see it. You can't feel it. But the substance scientists refer to as dark matter could account for five times as much "stuff" in the universe as the regular matter that forms everything from trees, trains and the air you breathe, to stars, planets and interstellar dust clouds.

A Gift Guide for Citizen Science

These citizen science tools will let the science lovers in your life carry out experiments and join research projects at home, from measuring rainfall to watching the birds that visit your yard.

Unprecedented accuracy in quantum electrodynamics: Giant leap toward solving proton charge radius puzzle

Physicists at the Max Planck Institute of Quantum Optics have tested quantum mechanics to a completely new level of precision using hydrogen spectroscopy, and in doing so they came much closer to solving the well-known proton charge radius puzzle.

Why Did NASA Retire the Space Shuttle?

The Space Shuttle was NASA’s workhorse for 30 years. But despite all its features, it had some fatal flaws.

A hint of new physics in polarized radiation from the early universe

Using Planck data from the cosmic microwave background radiation, an international team of researchers has observed a hint of new physics. The team developed a new method to measure the polarization angle of the ancient light by calibrating it with dust emission from our own Milky Way. While the signal is not detected with enough precision to draw definite conclusions, it may suggest that dark matter or dark energy causes a violation of the so-called "parity symmetry."

Neutrinos yield first experimental evidence of catalyzed fusion dominant in many stars

Scientists report the detection of neutrinos from the sun, directly revealing for the first time that the carbon-nitrogen-oxygen (CNO) fusion-cycle is at work in our sun.

Is Space Mining the Eco-Friendly Choice?

Natural resources are being depleted on Earth. But some think outer space may be a vast reservoir that’s ripe for tapping.

Quantum nanodiamonds may help detect disease earlier

The quantum sensing abilities of nanodiamonds can be used to improve the sensitivity of paper-based diagnostic tests, potentially allowing for earlier detection of diseases such as HIV, according to a new study.

Neutrinos yield first experimental evidence of catalyzed fusion dominant in many stars

An international team of about 100 scientists of the Borexino Collaboration, including particle physicist Andrea Pocar at the University of Massachusetts Amherst, report in Nature this week detection of neutrinos from the sun, directly revealing for the first time that the carbon-nitrogen-oxygen (CNO) fusion-cycle is at work in our sun.

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