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Physics World

To get around this problem, Kanté and colleagues utilized photonic crystals. These are periodic structures, which, like electronic semiconductors, have “band gaps” – frequencies at which they are opaque. Like graphene in electronics, photonic crystals generally contain Dirac cones in their band structures. At the vertex of such a cone is the Dirac point, where the band gap closes.

Circa 2021

Vaccines are made in batches, but some researchers want to overhaul that system to make the manufacturing continuous, efficient, and democratic.

Circa 2016

I use my thoughts and a brain-computer interface to swoop through the air.

😳!!!!!

In a milestone that could turn sci-fi into fact, the first U.S. clinical trial of a brain implant that returns the power of communication to severely paralyzed people has begun. | In a milestone that could turn sci-fi into fact, the first U.S. clinical trial of a brain implant that returns the power…

GM unveiled Monday evening the Chevrolet Blazer EV, an all-electric SUV with up to 320 miles of range and a starting price of $48,000 that CEO and Chairman Mary Barra hopes will supercharge her bid to surpass Tesla in U.S. EV sales by 2025.

The Chevrolet Blazer EV, which will go on sale in 2023 as a 2024 model year, isn’t the only impending GM electric vehicle. A slew of Cadillac and Chevy EVs are also making their way to market. But the Blazer, at its more affordable price point and in the lucrative SUV segment, could kick-start GM’s sales goals.

Internally, the confidence is high. Blazer is going be a massive statement and illustrate how GM can hit big volume segments, according to Scott Bell, Global VP of Chevrolet.

Circa 2021 force field this can also shield the earth or cities.

The computational design of functional materials relies heavily on large-scale atomistic simulations. Such simulations are often problematic for conventional classical force fields, which require tedious and time-consuming parameterization of interaction parameters. The problem can be solved using a quantum mechanically derived force field (QMDFF)—a system-specific force field derived directly from the first-principles calculations. We present a computational approach for atomistic simulations of complex molecular systems, which include the treatment of chemical reactions with the empirical valence bond approach. The accuracy of the QMDFF is verified by comparison with the experimental properties of liquid solvents.

Circa 2021

A new study says that we could terraform Mars by creating an artificial magnetic field around it to prevent harmful solar radiation.

One gave our candidate a high score for English proficiency when she spoke only in German.