"The universal convention is that the egg should be in a vertical orientation when it hits the ground," Cohen told Physics ...

While driving through the countryside—or along the highway—can be a freeing experience, once you have children, the dynamics ...

Abstract: Problems involving the classical linear partial differential equations of mathematical physics can be reduced to algebraic ones of a very much simpler structure by replacing the ...

School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China School of Science, Lanzhou University of Technology, Lanzhou 730050, P. R. China ...

Faculty of Mechanical Engineering, Tarbiat Modares University, P. O. Box 14115-143, Tehran, Iran ...