Foams are everywhere: soap suds, shaving cream, whipped toppings and food emulsions like mayonnaise. For decades, scientists ...

This video analyzes a uniformly charged sphere using Gauss’s law. We walk through the symmetry arguments, choose the correct Gaussian surfaces, and derive the electric field both inside and outside ...

Prof. Gal Shmuel of the Faculty of Mechanical Engineering at the Technion—Israel Institute of Technology has developed an ...