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- Rosalind Franklin (9829 bytes)
1: ...:Rosalind Franklin.jpg|180px|thumb|right|Rosalind Franklin]]
2: '''Rosalind Elsie Franklin''' ([[July 25]], [[1920]] - [[April 16]], [...
5: ...venings. Later they helped settle Jewish refugees from Europe who had escaped the ''Nazis''.
8: ...ent body) and women were not entitled to a degree from the University. She passed her finals in [[1941...
9: ...e went to Paris to work. She learned [[X-ray]] diffraction techniques during her three years at the ''... - Isaac Newton (23339 bytes)
2: ...n also shares credit with [[Gottfried Leibniz|Gottfried Wilhelm Leibniz]] for the development of diffe...
25: ...later life, to illustrate how he drew inspiration from everyday events.
31: ...ience). Newton argued that this should exempt him from the normal ordination requirement, and [[Charle...
36: ...'s ideas, Newton was so offended that he withdrew from public debate. The two men remained enemies un...
38: ...hristianson is not clear on what Newton concluded from this--> - DNA (29095 bytes)
5: ...gical cell|cell]] organisms, DNA is not separated from the [[cytoplasm]] by a [[nuclear envelope]]. In...
10: ...e-but-impossible-to-read one! It has been assumed from the beginning that this is not necessarily a ve...
14: ...only'' contained scientific data -- that would be frustrating, wouldn't it?
31: ...lit half of the strand plus the bases it collects from the soup will ideally end up as a complete repl...
35: ...or was unknown and only a DNA sample was obtained from the scene (particularly in [[rape]] cases betwe... - Tsunami (29462 bytes)
2: ...te a tsunami. The effects of a tsunami can range from unnoticeable to devastation.
4: The term ''tsunami'' comes from the [[Japanese language]] meaning ''harbour'' (...
18: ...pate quickly and rarely affect coastlines distant from the source area due to the small area of sea af...
22: ...by the huge mass of water behind the initial wave front, as the height of the sea keeps rising fast an...
24: ...ve decreases as the inverse power of the distance from the source. This is the two-dimensional equiva... - Hubble Space Telescope (50930 bytes)
4: ...text-align:center;" | The Hubble Space Telescope, from the [[Space Shuttle Discovery]] during the seco...
8: ...avelength regime'''||optical, ultraviolet, near-infrared
45: ...h, it was found that the main [[mirror]] suffered from [[spherical aberration]], severely compromising...
54: ...be that a space-based telescope could observe [[infrared]] and [[ultraviolet]] light, which are strong...
58: ...observations of [[star]]s and [[galaxy|galaxies]] from its launch in 1968 until 1972, well beyond its ... - Pinhole camera (6994 bytes)
2: ... small aperture; typical exposure times can range from 5 seconds to more than an hour.
8: ...small hole, however, can produce significant [[diffraction]] effects which will result in a less cle...
10: ... perfectly round (to minimise any higher-order diffraction effects off irregularites), and in an extre...
12: ... a sheet of [[brass]] [[shim]] or metal reclaimed from an aluminium drinks can, use fine sand paper to...
19: Where d is diameter, f is focus length (distance from hole to photographic film) and <math>\lambda</m... - Iris (anatomy) (11258 bytes)
3: ...is found in some [[cephalopod]]s. The word comes from [[Greek mythology]], in which [[Iris (mythology...
5: ...together are known as the anterior uvea. Just in front of the root of the iris is the region through ...
10: ...ly, this huge molecule is only slightly different from its equivalent found in [[skin]] and [[hair]].
13: ... due to its melanin pigment, but this varies only from brown to black.
15: ...ck are due to selective reflection and absorption from the other stromal components. Sometimes [[lipof... - Berkelium (5697 bytes)
83: [[X-ray diffraction]] techniques have been used to identify var...
88: ...berkelium-243 ([[half-life]] 4.5 hours) and two [[free neutron]]s. One of the longest lived [[isotope]...
91: ... isotopes of berkelium range in [[atomic weight]] from 235.057 [[atomic mass unit|amu]] (Bk-235) to 25... - Biochemistry (3247 bytes)
8: ...techniques such as [[chromatography]], [[X-ray diffraction]], [[Nuclear magnetic resonance|NMR]], [[ra...
10: ...s, from [[genetics]] to [[molecular biology]] and from [[agriculture]] to [[medicine]]. The first appl... - Technetium (32113 bytes)
182: ...iagnostic tests. Tc-99 is used as a [[gamma ray]]-free source of [[Beta particle|beta ray]]s, and its ...
184: ...um-235]] in [[nuclear reactor]]s and is extracted from [[nuclear fuel rod]]s. No isotope of technetium...
191: ...ion depth]], the largest among the elements apart from [[niobium]].{{inote|''Technetium as a Material ...
201: ...rtechnetate) both isotopes are quickly eliminated from the body (generally within a few days {{inote|T...
205: ... extracted to a high chemical and isotopic purity from radioactive waste. For these reasons, it is a ... - Atomic number (2054 bytes)
7: ...ered a strict relationship between the [[x-ray diffraction]] spectra of elements, and their correct lo... - Physics (25628 bytes)
2: ... contexts, ranging from the sub-nuclear particles from which all ordinary matter is made ([[particle p...
12: The culture of physics research differs from the other sciences in the separation of [[theor...
15: ...mulation of new theories. Likewise, ideas arising from theory often inspire new experiments. In the ab...
34: | [[Boltzmann's constant]], [[Entropy]], [[Free energy]], [[Heat]], [[Partition function (stati...
42: ...lence principle]], [[Four-momentum]], [[Reference frame]], [[Spacetime]], [[Speed of light]] - Scientific method (40667 bytes)
1: ... the form of [[theory|theories]]. [[Prediction]]s from these theories are tested by [[experiment]]. If...
6: ... of methods for scientific inquiry is indivisible from the development of science.
9: ...hilosophical ideas of this time were mostly freed from the constraints of everyday phenomena and commo...
13: ...dent ''verification''. In the [[17th century]], [[Francis Bacon]] attempted to describe a rational pro...
15: ...h wings, but rather hung with weights, to keep it from leaping and flying. Now this has never been don... - Mineral (10947 bytes)
1: ...neral structures]]. Minerals range in composition from pure [[Chemical element|element]]s and simple [...
3: [[Image:minerals.jpg|right|frame|Photo from [http://volcanoes.usgs.gov/Products/Pglossary/m...
7: ...lase]] [[feldspar]]s comprise a continuous series from [[sodium]]-rich [[albite]] (NaAlSi<sub>3</sub>O...
11: ... [[lead]] and [[sulfur]]) and [[periclase]] (made from [[magnesium]] and [[oxygen]]) all share the sam...
20: ...found in a handful of samples, and many are known from only one or two small grains. - Color (30968 bytes)
4: ...glish]]) is a sensation which (in humans) derives from the ability of the [[cone cell|fine structure]]...
13: <th>frequency interval</th>
58: Color, frequency, and energy of light.<br>
69: <td>Infrared</td>
143: ...ity. The full spectrum of the incoming radiation from an object determines the visual appearance of t...
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