What is the value of G?

NIST has taken part in a new push to address a persistent and growing problem in physics: the value of G. The Newtonian constant of gravitation, used to calculate the attractive force of gravity between objects, is more than ...

Cupid's arrow: Research illuminates laws of attraction

We've heard the clichés: "It was love at first sight," "It's inner beauty that truly matters," and "Opposites attract." But what's really at work in selecting a romantic or sexual partner?

A brief history of black holes

Late in 2018, the gravitational wave observatory, LIGO, announced that they had detected the most distant and massive source of ripples of spacetime ever monitored: waves triggered by pairs of black holes colliding in deep ...

Virtual women reveal more skin, regardless of body proportions

In the virtual world of Second Life, female avatars expose substantially more skin than males, independent of their virtual body proportions, according to research published December 26 in the open access journal PLOS ONE ...

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