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General Science
General Science
A-Z of AVIONICS
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A-Z of AVIONICS
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Re: A-Z of AVIONICS
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Reply #800 on:
17/09/2007 22:55:03 »
N
iels Bohr
Niels (Henrik David) Bohr [nels ˈb̥oɐ̯ˀ] (October 7, 1885 – November 18, 1962) was a Danish physicist who made fundamental contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in 1922. He was also part of the team of physicists working on the Manhattan Project. Bohr married Margrethe Nørlund in 1912, and one of their sons Aage Niels Bohr grew up to be an important physicist, who like his father received the Nobel prize.
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Re: A-Z of AVIONICS
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Reply #801 on:
17/09/2007 23:13:09 »
OXYGEN
( LOL LOL!)
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Re: A-Z of AVIONICS
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Reply #802 on:
23/09/2007 07:48:16 »
P
itot tube
http://www.1800skyride.com/global/images/im_glider2.jpg
http://billpentz.com/woodworking/cyclone/measurement/PitotOperation.gif
http://images.shipstore.com/ss/images/tel/tel56929p.jpg
http://www.grc.nasa.gov/WWW/K-12/airplane/Images/pitot.gif
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Last Edit: 23/09/2007 07:58:02 by iko
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Re: A-Z of AVIONICS
«
Reply #803 on:
25/09/2007 12:48:02 »
quadruple order
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Reply #804 on:
25/09/2007 13:30:06 »
R
ichard Buckminster “Bucky” Fuller
(July 12, 1895 – July 1, 1983)[1] was an American visionary, designer, architect, poet, author, and inventor.
Throughout his life, Fuller was concerned with the question "Does humanity have a chance to survive lastingly and successfully on planet Earth, and if so, how?" Considering himself an average individual without special monetary means or academic degree[2], he chose to devote his life to this question, trying to find out what an individual like him could do to improve humanity's condition that large organizations, governments, or private enterprises inherently could not do.
Pursuing this lifelong experiment, Fuller wrote more than thirty books, coining and popularizing terms such as "spaceship earth", ephemeralization, and synergetics. He also worked in the development of numerous inventions, chiefly in the fields of design and architecture, the best known of which is the geodesic dome. Carbon molecules known as fullerenes or buckyballs were named for their resemblance to a geodesic sphere.
Late in his life, after working on his concepts for several decades, Fuller had achieved considerable public visibility. He traveled the world giving lectures, and received numerous honorary doctorates. Most of his inventions, however, never made it into production, and he was strongly criticized in most fields he tried to influence such as architecture, or simply dismissed as a hopeless utopian. Fuller's proponents, on the other hand, claim that his work has not yet received the attention that it deserves. According to philosopher N.J.Slabbert, Fuller has an obscure writing style which has impeded the circulation of his ideas.[3]
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Re: A-Z of AVIONICS
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Reply #805 on:
25/09/2007 21:28:34 »
S
ilent blocks and
S
eals
http://www.innovarubbers.com/innova%20home%20prod.jpg
http://home.vicnet.net.au/~neils/africa/images/animals/seals3.jpg
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Last Edit: 29/09/2007 15:59:09 by iko
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Re: A-Z of AVIONICS
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Reply #806 on:
02/10/2007 02:16:57 »
T
cells
belong to a group of white blood cells known as lymphocytes and play a central role in cell-mediated immunity. They can be distinguished from other lymphocyte types, such as B cells and NK cells by the presence of a special receptor on their cell surface that is called the T cell receptor (TCR). The abbreviation "T", in T cell, stands for thymus since it is the principal organ for their development.
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A T-cell (orange) killing a cancer cell (mauve).
Dr Andrejs Liepins/Science Photo Library
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Re: A-Z of AVIONICS
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Reply #807 on:
02/10/2007 02:36:46 »
Stem Cells
Stem cell
From Wikipedia, the free encyclopedia
•
Stem cells are primal cells found in all multi-cellular organisms. They retain the ability to renew themselves through mitotic cell division and can differentiate into a diverse range of specialized cell types. Research in the human stem cell field grew out of findings by Canadian scientists Ernest A. McCulloch and James E. Till in the 1960s.[1][2]
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Last Edit: 02/10/2007 02:39:20 by Karen W.
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Re: A-Z of AVIONICS
«
Reply #808 on:
06/10/2007 22:08:12 »
U - Udometer
fancy name for a simple rain gauge (from lat. udus = wet, moist)
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Re: A-Z of AVIONICS
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Reply #809 on:
07/10/2007 17:54:19 »
V
anadium
(IPA: /vəˈneɪdiəm/) is a chemical element that has the symbol V and atomic number 23. A rare, soft and ductile element, vanadium naturally occurs in certain minerals and is used mainly to produce certain alloys. It is one of the 26 elements found in most living organisms.
Notable characteristics
Vanadium is a soft and ductile, silver-grey metal. It has good resistance to corrosion by alkalis, sulfuric and hydrochloric acid. It oxidizes readily at about 933 K (660 C). Vanadium has good structural strength and a low fission neutron cross section, making it useful in nuclear applications. Although a metal, it shares with chromium and manganese the property of having valency oxides with acid properties.
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Re: A-Z of AVIONICS
«
Reply #810 on:
07/10/2007 19:19:09 »
W
ave lengths AND
W
olfram aka Tungsten it is the element with the highest melting point of any metal, it is used in filaments of ordinary light bulbs.
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Last Edit: 07/10/2007 19:23:11 by Quantum_Vaccuum
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Re: A-Z of AVIONICS
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Reply #811 on:
07/10/2007 19:23:13 »
WHEEL
From Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Wheel
The force bearing on the axle has an eccentricity e with the point of contact to the rolling surface and exerts a moment about the contact point.
The force bearing on the axle has an eccentricity e with the point of contact to the rolling surface and exerts a moment about the contact point.
A wheel is a circular device capable of rotating on its axis, facilitating movement or transportation or performing labor in machines. A wheel together with an axle overcomes friction by facilitating motion by rolling. Common examples are found in transport applications. More generally the term is also used for other circular objects that rotate or turn, such as a Ship's wheel and flywheel.
http://i17.photobucket.com/albums/b73/karenw44/180px-Wheel_basicssvg.png
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Re: A-Z of AVIONICS
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Reply #812 on:
07/10/2007 19:24:04 »
whoops ! LOL
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Re: A-Z of AVIONICS
«
Reply #813 on:
07/10/2007 19:43:36 »
lol, were on
X
chromosone?
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Reply #814 on:
07/10/2007 19:57:24 »
After X Chromosone has to come:
The
Y
chromosome is the sex-determining chromosome in humans and most other mammals. In mammals, it contains the gene SRY, which triggers testis development, thus determining sex.
Most mammals have one pair of sex chromosomes in each cell. Males have one Y chromosome and one X chromosome, while females have two X chromosomes. In mammals, the Y chromosome contains the gene that triggers embryonic development as a male. This gene is SRY. Other genes (in addition to SRY) on the Y chromosomes of men and other mammals are needed for normal sperm production.
There are exceptions, however. Among humans, some men have two X's and a Y ("XXY", see Klinefelter's syndrome), or one X and two Y's (see XYY syndrome), and some women have three Xs or a single X (and no Y, "X0", see Turner syndrome). There are other exceptions in which SRY is damaged (leading to an XY female), or copied to the X (leading to an XX male). For related phenomena see Androgen insensitivity syndrome and Intersex.
Presence or absence of the Y-chromosome is a method of sex determination.
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Spermy wermy carrying Y Chromosone !
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Re: A-Z of AVIONICS
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Reply #815 on:
07/10/2007 20:17:41 »
ZIPPER
A device used to close a mans/womens clothing/ trousers//! It is also helpful in the deterrence of sending those happy little chromosomes happily on their merry way to conquer and divide the defenceless egg that awaits fertilization...LOL sorry couldn't help it!
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Re: A-Z of AVIONICS
«
Reply #816 on:
07/10/2007 20:25:53 »
Zyzygy
Used by the psychologist Karl Jung to describe the "yoking together" of archetypal symbolic pairings.
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Re: A-Z of AVIONICS
«
Reply #817 on:
08/10/2007 03:49:14 »
I WANT TO START IT AGAIN!
A
LPHA...BETA.GAMA...
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Re: A-Z of AVIONICS
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Reply #818 on:
08/10/2007 07:49:31 »
Biology
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Re: A-Z of AVIONICS
«
Reply #819 on:
08/10/2007 14:40:59 »
Cafe - au - lait
spots
Cafe au lait spots are light brown pigmented areas on the skin; although a clinical sign found associated with some diseases, its is mostly a normal condition.
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