Lifeboat Foundation

The company unveiled a new vehicle and accompany line that it is building between two cities in Alberta, Canada.

A few bright streakers flew by NASA’s meteor cameras, so get out now before the full moon overtakes the peak.

Look up now and you might spot some early shooting stars.

While the 2022 Perseid meteor shower is expected to peak between Aug. 11 and 12, NASA has already spotted some early arrivals.

Researchers may have solved Professor Stephen Hawking’s famous black hole paradox—a mystery that has puzzled scientists for almost half a century.

According to two new studies, something called “quantum hair” is the answer to the problem.

In the first paper, published in the journal Physical Review Letters, researchers demonstrated that black holes are more complex than originally thought and have gravitational fields that hold information about how they were formed.

Circa 2022

We report on two extensions of the traditional analysis of low-dimensional structures in terms of low-dimensional quantum mechanics. On one hand, we discuss the impact of thermodynamics in one or two dimensions on the behavior of fermions in low-dimensional systems. On the other hand, we use both quantum wells and interfaces with different effective electron or hole mass to study the question when charge carriers in interfaces or layers exhibit two-dimensional or three-dimensional behavior.

Circa 2012 o.o!!!

We report on two extensions of the traditional analysis of low-dimensional structures in terms of low-dimensional quantum mechanics. On one hand, we discuss the impact of thermodynamics in one or two dimensions on the behavior of fermions in low-dimensional systems. On the other hand, we use both quantum wells and interfaces with different effective electron or hole mass to study the question when charge carriers in interfaces or layers exhibit two-dimensional or three-dimensional behavior.

The Migdal effect inside detectors provides a new possibility of probing the sub-GeV dark matter (DM) particles. While there has been well-established methods treating the Migdal effect in isolated atoms, a coherent and complete description of the valence electrons in a semiconductor is still absent. The bremstrahlunglike approach is a promising attempt, but it turns invalid for DM masses below a few tens of MeV. In this paper, we lay out a framework where phonon is chosen as an effective degree of freedom to describe the Migdal effect in semiconductors. In this picture, a valence electron is excited to the conduction state via exchange of a virtual phonon, accompanied by a multiphonon process triggered by an incident DM particle. Under the incoherent approximation, it turns out that this approach can effectively push the sensitivities of the semiconductor targets further down to the MeV DM mass region.

More than 1 in 5 people on private insurance pay more $35 a month for insulin. This bill won’t help them.

As the world’s values shift, how do miners demonstrate theirs? Find our latest insights by visiting https://www.ey.com/en_gl/mining-metals.

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Copper prices have surged in 2021. The base metal remains in high demand, much thanks to its need in green energy projects and electric cars. In May 2021, commodities analysts at Goldman Sachs called copper ‘the new oil.’ That’s because electric cars need several times more copper than their gas-powered counterparts. And power grids getting electricity from wind, solar and hydro sources also need copper—much more than the industry is currently producing. Here’s how copper became so important to the world economy and the green energy revolution.

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