Team uses Petri nets to solve automation problems

An expert in robotics and automation problems, especially those involving manufacturing systems, NJIT Distinguished Professor and IEEE Fellow Mengchu Zhou will have two articles published in the upcoming proceedings of the ...

Guppies and sexual conflict? It's a genital arms race

(Phys.org) —It's not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species.

Crystal-clear method for distinguishing between glass and fluids

Many solids are produced from melting. Depending on how quickly they cool off, invariably, internal tensile stresses begin to build up. One example are Prince Rupert's Drops, or Dutch tears: you can hit their thick end with ...

Century-old science helps confirm global warming

(Phys.org) —Ocean measurements taken more than 135 years ago during the scientific expedition of HMS Challenger have provided further confirmation of human-produced global warming over the past century.

The tropical upper atmosphere 'fingerprint' of global warming

In the tropics at heights more than 10 miles above the surface, the prevailing winds alternate between strong easterlies and strong westerlies roughly every other year. This slow heartbeat in the tropical upper atmosphere, ...

Scientists use nano-rods to investigate how matter assembles

(Phys.org) —In the microscopic world, everything is in motion: atoms and molecules vibrate, proteins fold, even glass is a slow flowing liquid. And during each movement there are interactions between the smallest elements ...

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