Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...

Earth's rocky layers are mysteriously low in nitrogen compared with carbon and argon. A scientific team explored our planet's molten youth using advanced quantum mechanical simulations, revealing ...

For a summary of the theory just previous to the development of the new methods the reader is referred to a lecture of the author, Atomic Theory and Mechanics,œ published In this periodical ...

This hierarchy—nitrogen > carbon > argon in core preference—may solve two mysteries. To quantify this, the researchers built a model of Earth’s accretion 4.6 billion years ago. Suppose Earth ...

Of those six compositions, only the mixture of nitrogen and argon proved suitable, modifying the material in a way that doubled its areal capacitance. While this is in no way a record for such ...

To deal with this drawback, we propose a 2-D multiple frequency atomic norm minimization (2DMFANM) algorithm to estimate the elevation and azimuth angles of wideband signals in a grid-less manner. To ...