To accomplish this, the physicists behind the new study tweaked an electron gun until it produced a pulse of just one attosecond. These pulses hit the "sample" being studied, and as the electrons ...

Ion beam (IB) guns and electron beam (EB) guns are devices that emit charged particles (ions and electrons, respectively) directed in a beam which are used in surface analysis or preparation, particle ...

Delta-gun shadow mask operation. By User:Tirante (Own work) [CC BY-SA 3.0], via Wikimedia Commons A shadow mask colour CRT has three electron guns, one for red, one for green, and one for blue.

Whether you frequent a local pool or are planning a trip to the beach, water guns are a great addition to your outdoor activities and promise endless fun. Plus, they aren't just for kids.

A vacuum provides the needed insulation to prevent "arching" or jumping of high voltages in the electron gun. The gun itself is under extremely high vacuum conditions, requiring a pressure as low as ...

1364 - First recorded use of a firearm. 1380 - Hand guns are known across Europe. 1400s - The matchlock gun appears. Before the matchlock, guns were fired by holding a burning wick to a "touch ...

A pneumatic valve seals the gun chamber in the event of an accidental vacuum vent. This prevents dust and debris from reaching the tip. Electron source. The field emission source for the S-4700 is a ...

You’ll probably buy a lot of guns in your life, but you’ll only buy a few gun safes. That’s why it pays to do some research to find the right gun safe for you. There are a lot of common-sense reasons ...

While owning a single deer gun might give you cred with the old-timers who agree with the adage “beware of the man who owns just one rifle, for he probably knows how to use it” what a dull life that ...

Gun deaths remain a major problem in the country. The 2024 presidential candidates have spoken about their policy ideas related to gun violence and gun regulations, as gun deaths remain a major ...

Firearms were the leading cause of death for children and teenagers in the United States for the third consecutive year, and homicides accounted for the majority of gun deaths among the age group ...

Vice President Kamala Harris reminded Americans on Tuesday that she too is a gun owner. "Tim Walz and I are both gun owners. We're not taking anybody's guns away,” the Democratic presidential ...