History of electronic engineering
In 1893, Nikola Tesla made (1)the first public demonstration of radio communication.(1) Addressing the Franklin Institute in Philadelphia and the National Electric Light Association, he described and demonstrated in detail (7)the principles of radio communication(7). In 1896, Guglielmo Marconi went on to develop a practical and widely used radio system. In 1904, John Ambrose Fleming, the first professor of electrical Engineering at University College London, invented (3)the first radio tube(3), (9)the diode(9). (2)One year later(2), in 1906, Robert von Lieben and Lee De Forest independently developed the amplifier tube, called (9)the triode(9).
Electronics is often considered to have begun when Lee De Forest invented(4) the vacuum tube (4)in 1907 . Within 10 years, (8)his device (8)was used in radio transmitters and receivers as well as systems for long distance telephone calls. Vacuum tubes remained (5)the preferred amplifying device(5) for 40 years, until researchers working for William Shockley at Bell Labs invented the transistor in 1947 . In the following years, transistors made small portable radios, or transistor radios, possible as well as allowing more powerful mainframe computers to be built. Transistors were smaller and required lower voltages than vacuum tubes to work. In(6) the interwar years(6), (7)the subject of electronics(7) was dominated by (7)the worldwide interest in radio and to some extent telephone and telegraph communications(7). The terms 'wireless' and 'radio' were then used to refer anything electronic. There were indeed few non-military applications of electronics beyond radio at that time until the advent of television. (9)The subject(9) was not even offered as a separate university degree subject until about 1960.
Prior to (10)the second world war(10), (9)the subject(9) was commonly known as 'radio engineering' and basically was restricted to aspects of communications and RADAR, commercial radio and early television. At (11)this time(11), study of radio engineering at universities could only be undertaken as part of a physics degree. Later, in post war years, as consumer devices began to be developed, (9)the field (9)broadened to include modern TV, audio systems, Hi-Fi and latterly computers and microprocessors. In (7)the mid to late 1950s(7), (12)the term radio engineering (12)gradually gave way to(12) the name electronic engineering(12), which then became a stand alone university degree subject, usually taught alongside electrical engineering with which it had become associated due to some similarities.
Before (7)the invention of the integrated circuit (7)in 1959, electronic circuits were constructed from discrete components that could be manipulated by hand. (13)These non-integrated circuits consumed much space and power(13), were prone to failure and were limited in speed although they are still common in simple applications. By contrast, (14)integrated circuits packed a large number (14)— often millions — of tiny electrical components, mainly transistors, into a small chip around the size of a coin.
(1) article + adjective +noun + H + prepositional group
(2) numeral + H + adverb
(3) article + adjective + noun + H
(4) article + noun + H
(5) article + ad2 adjectives + ing adjective + H
(6): article + adjective + H
(7 )article + H + prepositional group
(8) possessive adjective + H
(9) article + H
(10): article + numeral + noun + H
(11:) demistrative + H
(12) article + H + adjective + noun
(13): demonstrative + adjective + H + infinitive clause
(14) article+adjetive+noun+H
Datos personales
martes, 30 de septiembre de 2008
miércoles, 24 de septiembre de 2008
Intro: Hi teacher, my name is Juan Escobedo, remember that even I´m in section 3, from now on I will be going to your tuesday class (section 2)
Claytronics
Programmable Matter
"Claytronics" is an emerging field of engineering concerning reconfigurable nanoscale robots ('claytronic atoms', or catoms) designed to form much larger scale machines or mechanisms. Also known as "programmable matter", the catoms will be sub-millimeter computers that will eventually have the ability to move around, communicate with other computers, change color, and electrostatically connect to other catoms to form different shapes. The forms made up of catoms could morph into nearly any object, even replicas of human beings for virtual meetings.
Claytronics technology is currently being researched by Professor Seth Goldstein at Carnegie Mellon University, which is where the term was coined. According to Carnegie Mellon's Synthetic Reality Project personnel, claytronics are described as "An ensemble of material that contains sufficient local computation, actuation, storage, energy, sensing, and communication" which can be programmed to form interesting dynamic shapes and configurations.
From Wikipedia, the free encyclopedia
1) Find words with prefixes and sufixes and then categorize them in nouns, verbs, adjectives and adverbs:
Nouns: Engineering, Meeting, Actuatuion.
Verbs: Comunicate.
Adverbs: Eventually, Electrostatically, Nearly, Currently.
Adjectives: Reconfigurable, Programable, Sub-milimeter.
2) Keywords of the text:
Claytronics, matter, reconfigurable, programable, nanoscale, robot, engineering, Mellon University.
3) What was the text about
The text above was about a new kind of robots now in development by the Mellon University, that would be in the scale of a nanometer, with that size, they could be progemen to do all kind of thing, even recreate objects or persons, that´s why that new tech is also named "programable matter".
Claytronics
Programmable Matter
"Claytronics" is an emerging field of engineering concerning reconfigurable nanoscale robots ('claytronic atoms', or catoms) designed to form much larger scale machines or mechanisms. Also known as "programmable matter", the catoms will be sub-millimeter computers that will eventually have the ability to move around, communicate with other computers, change color, and electrostatically connect to other catoms to form different shapes. The forms made up of catoms could morph into nearly any object, even replicas of human beings for virtual meetings.
Claytronics technology is currently being researched by Professor Seth Goldstein at Carnegie Mellon University, which is where the term was coined. According to Carnegie Mellon's Synthetic Reality Project personnel, claytronics are described as "An ensemble of material that contains sufficient local computation, actuation, storage, energy, sensing, and communication" which can be programmed to form interesting dynamic shapes and configurations.
From Wikipedia, the free encyclopedia
1) Find words with prefixes and sufixes and then categorize them in nouns, verbs, adjectives and adverbs:
Nouns: Engineering, Meeting, Actuatuion.
Verbs: Comunicate.
Adverbs: Eventually, Electrostatically, Nearly, Currently.
Adjectives: Reconfigurable, Programable, Sub-milimeter.
2) Keywords of the text:
Claytronics, matter, reconfigurable, programable, nanoscale, robot, engineering, Mellon University.
3) What was the text about
The text above was about a new kind of robots now in development by the Mellon University, that would be in the scale of a nanometer, with that size, they could be progemen to do all kind of thing, even recreate objects or persons, that´s why that new tech is also named "programable matter".
viernes, 19 de septiembre de 2008
Well, as we did in the class, we have to do some things to a dictionary page, we have to check if they have some things, also if it doesn´t have them, and some other stuff that I´m going to do next:1) Check if the dictionary have:
Spelling: Check.
Gram. Info.: Check.
Pronunciation: Check.
Examples: Check.
Meaning: Negative.
Translation: Check.
Definition: Check.
Usage: Check.
Abbreviations: Check.
Part of speech: Check.
Crossed references: Negative (maybe in other pages, but not in the one I used).
2) I have to order those things I mentioned above from the one I consider to be the most important to the least.
Spelling, meaning, definition, pronunciation, gram. info., part of speech, usage, examples, translation, abbreviations and last and least important crossed references.
3) Now I have to say wich of the words in the page I´m using is or have:
First: Abortion.
Last: Accomplishment.
Longest: Above-mentioned
Shortest: About, above, abuse, abyss
Adjetive: Abortive, above-board, above-mentioned, abrasive, abridged, abrupt, absent, absolute, absorbed, absorbing, abstemious, absurd, abundant, abusive, abusmal, academic, acceptable, accidental, accident-prone, aclimatized, accomplished,.
Adverb: about, above, abreast, abroad, abruptly, absently, absolutely, accidentaly.
Compound: Above-board, about-turn, about-face, above-mentioned, absent-minded, accident-prone.
Abbreviation: Noun, militar, medicine, adjetive, adverb, preposition, transitive verb, intransitive verb.
Idiom: None.
More than 1 meaning: Above-board, abrasive, abstract, abuse, academic, accord.
4) Now last but not least, hose 2 words and say what do they have:
Abroad: Spelling, pronunciation , part of speech, examples, gram. info., translation, usage, abbreviations.
Abyss:Spelling, pronunciation , part of speech, gram. info., translation, usage, abbreviations.
Suscribirse a:
Entradas (Atom)