Despite all the talk about strategy, technology and innovation, the success and legacy of a business often come down to one ...

A mathematician at Carnegie Mellon University has developed an easier way to solve quadratic equations. The mathematician hopes this method will help students avoid memorizing obtuse formulas. His ...

Abstract: In this paper, we propose a novel adaptive control scheme for a one-dimensional unstable heat equation with an unknown control coefficient. A new state observer is designed to estimate the ...

While the artistic benefits of being able to decide a depth at which absorption reaches its peak are important, the current lack of any in application way to convert absorption coefficients into the ...

Tests of a proposed friction-factor equation have shown it to be accurate for calculating pressure loss in turbulent flow for a pipeline transporting a non-Newtonian fluid, such as most crude oils and ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...

Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to ...

Please provide your email address to receive an email when new articles are posted on . The Chronic Kidney Disease Epidemiology Collaboration 2021 equation for estimating GFR proved to be the least ...