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- Actinium (7046 bytes)
60: | [[Molar volume]]
110: | <sup>221</sup>[[francium|Fr]]
119: | α || 5.536 || <sup>222</sup>[[francium|Fr]]
125: | α || 5.042 || <sup>223</sup>[[francium|Fr]]
141: ...ho separated it from [[uraninite|pitchblende]]. [[Friedrich Otto Giesel]] independently discovered act... - Brain (22060 bytes)
9: .... The brains of arthropods and cephalopods arise from twin parallel nerve cords that extend through t...
11: ...for a greater number of neurons while keeping the volume of the brain compact enough to fit inside the sku...
20: ...ers are [[congenital]]. [[Tay-Sachs disease]], [[Fragile X syndrome]], [[Down syndrome]], and [[Toure...
38: ...derstand the nervous system, including the brain, from a biological perspective. [[Psychology]] seeks...
41: ... which are the mass changes in electrical current from the cerebral cortex, but can only detect change... - Human brain (15406 bytes)
13: ...between 1 and 1.5 kg (three pounds) in an average volume of 1,600 cm³ (98 in³). The male brain ...
19: ...d the [[circle of Willis]]. Blood is then drained from the brain through a [[brain sinuses|network of ...
21: ...he dense fluid protects the brain and spinal cord from shock; a brain that weighs 1,500 g in air weigh...
23: ...tes the soft tissues of the brain and spinal cord from the hard surrounding bones (skull and vertebrae...
25: ...dicine, [[childbirth]] was a dangerous event that frequently resulted in the death of the mother. The... - Artery (6875 bytes)
1: ...are muscular tubes that carry [[blood]] flow away from the [[heart]] to the [[biological tissue|tissue...
3: ...nd elastic tissue. The outermost layer (furthest from the flow of blood) is known as the ''[[tunica a...
5: ...es with each heart cycle. This pressure and blood volume variation within the artery produces the pulse wh...
13: ...ted by each heart beat, stroke volume, versus the volume and elasticity of the major arteries.
15: ... binding sites have bound oxygen. Blood returning from the lungs, via the 4 pulmonary veins, to the le... - Larynx (2361 bytes)
4: ...sembles a signet ring (Narrow in back, broader in front). Above the larynx is a supporting bone called...
11: ...e larynx, while articulation of the sound derives from the use of [[teeth]], [[tongue]], [[palate]], a... - Femur (1778 bytes)
1: [[Image:Femur1.jpg|right|frame|250px| Femur Clipart provided by [http://class...
2: ...''thigh bone''' is the longest (length), largest (volume) and strongest (mechanical ability to resist defo...
14: ... a traction splint is applied right away, a femur fracture is 20% fatal. Without a traction splint, it...
17: *[[Hip fracture]] - Lubricant (1488 bytes)
1: ... with [[transmission]] [[oil]]s 30% of lubricants volume-wise. In developed nations, lubricants contribut...
3: ...mes used as base oils. Additives deliver reduced friction and wear, increased viscosity, resistance t...
5: ... cushion and others. An alternative way to reduce friction and wear is to use bearings such as [[ball ... - Bookbinding (7761 bytes)
6: ...s were bound between hard covers, with pages made from [[paper]], or [[parchment]], but were still cre...
8: With the arrival (from the East) of rag paper manufacturing through Eu...
16: ...gid covers and is stitched in the spine. Looking from the top of the spine, the book can be seen to c...
43: * A ''leaf'' is a single complete page, front and back, in a finished book.
44: ...leaf faces left when the leaf is held straight up from the spine. - Clavichord (3295 bytes)
3: ... Arnold Dolmetsch at the end of the 19th century. From the mid-18th century it principally flourished ...
5: ...as the tangent is in contact with the string. The volume of the note can be changed by striking harder or ...
7: ...te 18th century, clavichords were often built ''unfretted'', with a separate pair of strings for each ...
11: ...sichord]], [[piano]], and [[organ (music)|organ]] from the period circa 1400-1800 can be played on the... - Cartography (10500 bytes)
3: ...ses. Current trends in this field are moving away from analog methods of mapmaking and toward the crea...
6: [[Image:Radkarte_MKL1888.png|thumb|World map from the [[Middle Age]]s.]]
7: The oldest known map dates from the [[5th millennium BCE]]. The oldest maps emp...
9: .... An engraved map of the holy city of [[Nippur]], from the Kassite period ([[14th century BCE|14th]] &...
14: ... map.JPG|thumb|[[Muhammad al-Idrisi]]'s world map from 1154. Note that south is at the top of the map.... - Ocarina (3914 bytes)
2: ...inger holes. A mouth tube projects from it, often from the side. One sound hole exists, most often on ...
5: ...talian]] [[Giuseppe Donati]]. The name is derived from [[Italian language|Italian]] (''ocarina'' 'litt...
8: ...pe-shaped). This has different acoustical physics from a pipe. Technically, the cavity acts as a [[Hel...
11: ...e total surface area of opened holes to the total volume enclosed by the instrument. This means that, unli...
22: ...arina part also features prominently in the theme from the 1966 [[spaghetti western]] ''[[The Good, th... - Contrabassoon (3761 bytes)
6: *There is considerably more air volume required in playing, and the instrument does not ...
11: ...ions, the sound can be completely obscured in the volume of the full orchestra.
16: ...]]. While relatively rare, the instrument is most frequently found in larger symphonies, particularly ... - Vertical flute (689 bytes)
1: ...e, but it lacks the ability to play at as loud of volume as transverse flutes. - Jug (1886 bytes)
1: ...h a handle and an opening for pouring or drinking from.
5: ... a resonant cavity to modify and enrich the sound from the pure "buzz". In this way a single jug can ...
9: ...nt, although amplified and "electric jugs" appear from time to time (such as in the [[1960s]] [[psycha...
11: ...ity of fluid (such as [[water]] or [[moonshine]]) from the inside the jug. Loudness is a function of t... - Brass instrument (5234 bytes)
6: (not necessarily made from brass)
21: * [[French horn]]
41: ...l brass instrument prior to about 1795, and the [[French horn]] before about 1820. Natural instruments...
55: ...tary values. Rotary valves are the norm for the [[French horn]] and are also prevalent on the [[tuba]]...
76: ...stically fitted with a cupped mouthpiece, while [[French horns]] are fitted with a conical mouthpiece. - Trumpet (13239 bytes)
1: [[Image:USAFE Band trumpeter.jpg|frame|right|Trumpeter performing with the United Sta...
2: ...[euphonium]], [[trombone]], [[sousaphone]], and [[french horn]]. A person who plays the trumpet is cal...
6: ...pet player can select the [[pitch (music)|pitch]] from a range of [[overtone]]s or [[harmonics]] by ch...
11: ... [[Baroque]] trumpets. The modern trumpet evolved from earlier non-valved instruments, such as the Bar...
16: The B♭ trumpet's typical range extends from the written F♯ (concert E) immediately be... - Harmonica (21752 bytes)
2: A '''harmonica''' is a [[Free reed instrument|free reed]] musical [[wind instrument]] (also
3: ...n, among other things, as a '''mouth organ''', '''french harp''', simply '''harp''', or
6: dimension into which it can freely vibrate, thus repeatedly
9: Unlike most free-reed instruments (such as [[organ (music)|reed ...
14: is made to vibrate more easily by air from above, reeds accessed by a - Pipe organ (24478 bytes)
1: ...ica]], [[Montreal]]. Most of the pipes are behind volume-regulating shutters hidden by the visible pipes. ...
5: Pipe organs range in size from portable instruments having only a few dozen pi...
11: <!--This section is the target of a link from the "organ pipe" article. If you update the tex...
15: ...ue organ]], the [[English romantic organ]], the [[French classical organ]], the [[symphonic organ]] an...
27: The word ''organ'' originates from the [[Latin]] word "[[organum (musical instrume... - Appalachian dulcimer (3259 bytes)
3: ...boards allowing two players to closely sit across from each other to perform duets, hence the name.
5: ...d pluck or strum the strings with one hand, while fretting with the other. In practice, a wide variety...
7: ... as "noters". More contemporary play has borrowed from chord theory and guitar analogues to create a v...
10: The [[fret]]s of the Appalachian dulcimer are arranged in ...
12: ... became used as a parlor instrument, as its sound volume is well-suited to small home gatherings. - George Washington (29551 bytes)
26: ...e was initiated as a [[Freemasonry|Freemason]] in Fredericksburg on [[4 February]] [[1752]]. On Lawren...
28: ==French and Indian War and afterwards==
31: ...nternational incident, and helped to ignite the [[French and Indian War]], which eventually became the...
33: ...ition]], which successfully drove the French away from [[Fort Duquesne]].
37: ...en. In that year, he was chosen as a [[delegate]] from Virginia to the First [[Continental Congress]] ...
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