Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

The Providence Journal used that pricing data to analyze 19 billing codes at 10 of the state’s acute-care hospitals.

Researchers from Harvard’s Department of Human Evolutionary Biology found that educated children perform better on psychological tests measuring executive function abilities, challenging the accuracy ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

Abstract: For inverse synthetic aperture radar (ISAR) imaging of a maneuvering target, the Doppler frequency shift for the received signal in a range bin is time varying. In this letter, the received ...

Abstract: In robotics field, safety is an extensively researched subject. This article proposes an approach, which is based on high-order control barrier functions (HOCBFs) and computed torque control ...

Calcium is a nutrient that all living organisms, including humans, need. Dietary sources of calcium include dairy products, green leafy vegetables, nuts, seeds, and fortified products. Calcium is the ...

Sometimes the most extraordinary culinary experiences come wrapped in the most ordinary packages, and Wayside Takeout & Catering in Charlottesville, Virginia is living proof of this delicious paradox.

Trigonometric Functions and Complex Numbers covers the followings areas in the International Mathematical Olympiad (IMO) and other mathematical competitions. Trigonometric identity, graphs and ...

Addressed mainly to physicist and chemical physicist, this textbook is the result of a broad compilation of current knowledge on analytical properties of Airy functions. In particular, the calculus ...

The ChatGPT maker plans to burn an immense $115 bln by 2029, defying the usual startup profit path. The splurge has a certain ...