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Integrated circuit - Wikipedia

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.The integration of large numbers of tiny transistors into a small chip results in circuits that are orders of magnitude smaller, cheaper, and faster than those constructed of ...

Silicon Valley History & Future

The term Silicon Valley was used occasionally mostly byeasterners who would mention making a trip to Silicon Valley, until 1971 when it was popularized in a series of articles, ``Silicon Valley USA,'' written by Don Hoefler for Electronic News. Quite likely it was the first time the term was used in print (Don C. Hoefler, publisher of Microelectronics News, telephone interview, 9 January 1985) ...

The Devil in the Dark - Wikipedia

"The Devil in the Dark" is the twenty-fifth episode of the first season of the American science fiction television series Star Trek. Written by Gene L. Coon and directed by Joseph Pevney, it first aired on March 9, 1967.. In the episode, Captain Kirk and Spock face off with a deadly subterranean creature.

Industrial Sectors Affected by TENORM

Introduction The following sections are largely taken from EPA 1993. The majority of TENORM issues center around waste from industrial processes. Most of the wastes we will be addressing are produced in very large volumes, but are of low activity.

Silicon dioxide | SiO2 - PubChem

Silicon Dioxide is a natural compound of silicon and oxygen found mostly in sand, Silica has three main crystalline varieties: quartz, tridymite, and cristobalite. Fine particulate silica dust from quartz rock causes over a long-term progressive lung injury, silicosis.

Semiconductor Technology Acronyms (Processes such as ...

1, 1-trichloroethane; trichloroethate 1/f, one over "f" noise where "f" is frequency 1D, one dimensional 1T-1C, 1 transistor/1 capacitor 1T-2C, 1 transistor/2 capacitor

Lunar Geology: Minerals on the Moon - PERMANENT

Major Lunar Minerals. Before we discuss materials processing in Chapter 3, we need to discuss the minerals we are mining. As always, if this section gets too technical for you, please skip it and continue on with the following one.

Nickel processing | Britannica.com

Extraction and refining. The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel production.

Technology and Science News - ABC News

An archaeological dig is rekindling a friendly feud between two towns over which was the first in Connecticut

Recovery Of Rare Earth Elements From Clay Minerals

ERES2014: 1st European Rare Earth Resources Conference|Milos|04‐07/09/2014 PAGE | 194 Figure 2: Metallogenic mechanism of formation for REE‐rich adsorption‐type ores (adapted from Peng11 and Hendrick12) Figure 3: Area (shaded) favourable for ion adsorption clays formation III. Nature of Rare Earth Elements in Ion‐adsorption Clays

Lithium-Ion Battery Production Is Surging, but at What ...

Gigafactories intended to scale the production of electric-vehicle batteries can exact a human toll.

American Experience | Official Site | PBS

Watch full films from TV's most-watched history series.

Analytical Instruments - High Performance Liquid ...

Pioneers in the industry, we offer high performance liquid chromatography, absorption analyzers, analytical instruments, battery analyzer, carbon analyzer and chemiluminescence analyzers from India.