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Latest Cathode ray Stories

Electron Beams That Possess An Inner Rotation Created
2012-11-05 13:28:11

Vienna University of Technology Vortex beams, rotating like a tornado, offer completely new possibilities for electron microscopy. A method of producing extremely intense vortex beams has been discovered at the Vienna University of Technology (TU Vienna). Nowadays, electron microscopes are an essential tool, especially in the field of materials science. At TU Vienna, electron beams are being created that possess an inner rotation, similarly to a tornado. These "vortex beams" cannot only...

Tracking The Sun's Electron Beams
2012-08-17 06:32:34

April Flowers for redOrbit.com - Your Universe Online Understanding weather patterns here on Earth is a complicated process, with scientists teasing apart different kinds of atmospheric movements, such as the great jet streams that can move across a whole hemisphere versus more localized, intricate flows, to create a whole picture. Those same methods and processes are used to understand the flows of the space weather system that links the Sun and the Earth as the Sun shoots material out...

2011-11-09 22:36:30

Not to pick up electrons, but tweezers made of electrons. A recent paper by researchers from the National Institute of Standards and Technology (NIST) and the University of Virginia (UVA) demonstrates that the beams produced by modern electron microscopes can be used not just to look at nanoscale objects, but to move them around, position them and perhaps even assemble them. Essentially, they say, the tool is an electron version of the laser "optical tweezers" that have become a standard...

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2010-04-14 08:22:40

A lightning researcher at the University of Bath has discovered that during thunderstorms, giant natural particle accelerators can form 40 km above the surface of the Earth. On Wednesday April 14th Dr. Martin Fullekrug will present his new work at the RAS National Astronomy Meeting (NAM 2010) in Glasgow. When particularly intense lightning discharges in thunderstorms coincide with high-energy particles coming in from space (cosmic rays), nature provides the right conditions to form a giant...

2009-03-15 14:42:15

Thomas T. Goldsmith Jr., who helped bring televisions into U.S homes, has died in Lacey, Wash., at the age of 99, his son Judson says. The New York Times said Sunday that by working with scientist Allen B. DuMont, Goldsmith helped create the cathode ray tube used in household televisions starting in the 1930s. Author Alexander Magoun, who wrote Television: The Life Story of a Technology, said DuMont and Goldsmith were responsible for creating full TV displays from basic oscilloscopes. The...

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2008-02-22 08:05:00

A new electron microscope recently installed in Cornell's Duffield Hall is enabling scientists for the first time to form images that uniquely identify individual atoms in a crystal and see how those atoms bond to one another - and in living color. "The current generation of electron microscopes can be thought of as expensive black and white cameras where different atoms appear as different shades of gray," explained David Muller, Cornell associate professor of applied and engineering...


Latest Cathode ray Reference Libraries

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2010-10-04 16:07:17

The Cathode Ray Tube, which has internal or external means to accelerate and deflect electron beams, is a vacuum tube containing an electron gun and a fluorescent screen. The electron beams that are deflected are used to create images in the form of light emitted from the fluorescent screen. The CRT works by using an evacuated glass envelope which is large, deep, heavy, and relatively fragile. Ferdinand Braun is credited with the first CRT in 1897. It can also be known as the Braun tube....

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2009-04-23 12:13:36

Vladimir Kozmich Zworykin (July 30, 1889 - July 29, 1982) was a Russian-American engineer, inventor, and initiator of television technology. One of his accomplishments includes the invention of a television transmitting and receiving system utilizing cathode ray tubes. In the early thirties, he was instrumental in the physical production of components used in the television, including charge storage-type tubes, infrared image tubes, and the electron microscope. Although many biographers...

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Word of the Day
lunula
  • A small crescent-shaped structure or marking, especially the white area at the base of a fingernail that resembles a half-moon.
This word is a diminutive of the Latin 'luna,' moon.
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