Keywords electrons, magnetic field, electron gun, Helmholtz coils, mass of electron, kinetic energy, deflection, circular motion, helical trajectory, experiment Email us at [email protected] if ...

A new crop of retailers is profiting more from limited-edition accessories that sell out in minutes, and promoting lifestyle gear to women, minority gun owners and the L.G.B.T.Q. community.

And one of the best gifts I ever bought myself to maximize the confines of my undersize bathroom is a magnetic knife rack from IKEA. No, I don’t keep cutlery in my bathroom. Instead, I’ve ...