Negative Imaginary (NI) systems theory is an emerging branch of control theory that focuses on the frequency response characteristics of dynamical systems. At its core, the theory exploits conditions ...

Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls. They release ...

Discover how negative assurance works in auditing, confirming accuracy without contrary evidence, and why it's vital when ...

Forbes contributors publish independent expert analyses and insights. Lucy Paulise is executive coach and author of Timebox, based in Texas.

We’re all familiar with well-worn catchphrases extolling the benefits of positive thinking: “It’s the thought that counts.” “What you focus on expands.” Or, “Whether you think you can or you think you ...

Have you ever “choked under pressure?” Maybe it was a sport, musical performance, a contest, job interview, or an exam, and you really wanted to do your very best. Possibly there was an audience, or ...

When one gets into photography, they might think it's as easy as pointing a camera at their subject, pressing a button, and that's it. When they start taking classes, though, they start to see it's a ...

It is common for Internet of Things (IoT) devices, industrial sensors, meters, precision, and medical equipment to require both a positive and negative voltage. Often, these voltages must be ...

Since ancient times, people have been learning to steer clear of dangerous situations, and our knowledge of potential risks has grown as we’ve evolved. According to standard psychological theories, ...

Trains have been delayed on every Metra commuter line in the Chicago area during the Tuesday evening rush, due to a positive train control system outage. Metra officials said, beginning around 5 p.m., ...