Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

Abstract: In recent years, quadrotors have been widely used in many fields, and the requirements for rescue and exploration in narrow and limited environments have gradually increased. In order to ...

Abstract: A seven-degree-of-freedom laparoscopic surgical robot system is designed for the advantages of minimally invasive surgical robot system in flexibility, safety and precision, and its overall ...

An analysis of the behavior of nuclear structure functions F2A at large x and their moments MnA at large n has been performed within two theoretical approaches: (i) the QCD-motivated Q2-rescaling ...

We use high resolution Eulerian hydrodynamics simulations to study kinematic properties of the low ionization species in damped Ly-alpha systems at redshift z=3. Our adaptive mesh refinement ...