The Higgs boson is the most intriguing and unusual object yet discovered by fundamental science. There is no higher ...

A new generation of Second Amendment supporters no longer visits shooting ranges or joins the NRA — instead, it circulates ...

In several demonstrations, the laser burned through copper, melted titanium, created rubies, melted *tungsten*, and set a ...

It’s a problem that few of us will ever face, but if you ever have to calibrate your scanning electron microscope, you’ll need a resolution target with a high contrast under an electron beam.

Abstract: This paper is devoted to theoretical and experimental analyze of self-maintained electron-ion optics of pulse high voltage glow discharge electron guns, which are an advanced instruments to ...

Abstract: A high duty factor electron gun suitable for linac applications is described. This gun operates on the secondary emission principle to generate a pulsed, monochromatic electron output beam ...