National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple cities covering breaking news, politics, education, and more.

Have you ever worked with a group of people trying to solve a problem? There are different opinions, different considerations, and each person’s perspective provides a different angle on the problem.

Air Methods Corp. provides air medical transportation services throughout the United States and design, manufacture, and install medical aircraft interiors and other aerospace and medical transport ...

Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation. A computational model can be used to make predictions of the ...

Two-dimensional (2D) shapes are completely flat. 2D shapes can be found printed in a book or on a website. 2D shapes have sides and corners. A rectangle has 4 straight sides and 4 corners. A square is ...

Abstract: In mounting machines, vision measurement of surface mount devices (SMDs) is a crucial task, widely used for size calculation and defect detection. However, current vision measurement methods ...

As schoolchildren we are taught that the scientific method involves a question and suggested explanation (hypothesis) based on observation, followed by the careful design and execution of controlled ...