"We show that this design can, in principle, find half of all existing Earth-like planets orbiting sun-like stars within 30 light-years in less than three years." When you purchase through links on ...

Abstract: In this paper, a novel robust state estimator (RSE) based on rectangular pulse function (RPF) is proposed considering the uncertainty in the measurements, leading an ideal RPF estimator. The ...

The roundest country (left, Sierra Leone) and the squarest country (right, Egypt), with flags overlaid. Some countries are long and thin, others compact and nearly symmetrical. Some follow natural ...

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The change, which had been in testing, is rolling out this weekend. The change, which had been in testing, is rolling out this weekend. is a senior reporter covering technology, gaming, and more. He ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

Selena Deckelmann argues that in this era of machine-generated content, Wikipedia becomes even more valuable. Selena Deckelmann has never been afraid of people on the internet. With a TV repairman and ...