Portrait painting becomes far more manageable when the face is treated as a solid structure rather than a collection of features. This video explains why starting with a simple box helps establish ...

Detective Inspector Ray Lennox investigates serious crimes while battling his own personal demons and in-fighting within the police department. Nurse Jackie Peyton struggles with a painkiller ...

When you are doing division, it's helpful to use a written method. This can be especially useful if the numbers get too big to calculate in your head. If the number you are dividing by (this is called ...

As the MDGs era comes to a conclusion with the end of the year, 2016 ushers in the official launch of the bold and transformative 2030 Agenda for Sustainable Development adopted by world leaders last ...

I write about money. I’ve been reviewing tax software and services as a freelancer for PCMag since 1993. Along the way, I took on reviews of other types of business and personal finance technology.

Have a major deliverable coming up that involves lots of people and tasks? The top project management apps we've tested can help you keep your team on track. I'm an expert in software and work-related ...

The best ways to send money are fast, free or low in fees, and offer good options for sending and receiving funds. Many, or all, of the products featured on this page are from our advertising partners ...

Abstract: Observer-based methods are widely used to estimate the disturbances of different dynamic systems. However, a drawback of the conventional disturbance observers is that they all assume ...

Abstract: Though an accurate discretization approach for gas flow dynamics, the method of characteristics (MOC) is liable to instability for inappropriate step sizes. This letter addresses the ...

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