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5c938b23f76dcdab0e48e9f09c8e210ce200cbc6
owens won a marie curie reintegration grant. the
owens won a marie curie reintegration grant. the project resulted in a novel biosensor for enteric pathways. in 2009 owens joined ecole des mines de st. etienne, where she was appointed to professor and head of department in 2016. owens began working in bioelectronics after a discussion with her husband, "i was a biolo...
wikipedia
70e8e95aff1d56213d1d3593f9d6c0f5830e5ad7
she moved to cornell university to work as
she moved to cornell university to work as a postdoctoral researcher on host-pathogen interactions of mycobacterium tuberculosis in the department of microbiology and immunology with david russell. owens worked at agave biosystems in new york between 2005 and 2007. she then joined the lab moonsoo jin, developing icam-1...
wikipedia
d4570f7eccc9052085607dcb898cd0d13b83bd10
owens is from glasnevin in dublin. she earned
owens is from glasnevin in dublin. she earned a bachelor's degree in natural sciences with a focus on biochemistry at trinity college, dublin in 1998. she completed her phd at the university of southampton with a thesis, the bipa global regulator interacts with ribosomes.
wikipedia
a378e3c0a6f3e008ca0d19c434ba49efd1b182ab
róisín owens is a professor in the department
róisín owens is a professor in the department of chemical engineering and biotechnology, university of cambridge and a fellow of newnham college, cambridge. her research investigates new engineering technology for biological applications with a focus on organic bioelectronics, developing electroactive materials that ca...
wikipedia
f2de16475b5236ac1f71bd3771548c4ac479e7f8
the qaraötkel bridge, also known as ramstor bridge
the qaraötkel bridge, also known as ramstor bridge is an arch bridge spanning the ishim river in astana, kazakhstan. it was built between 2007 and 2008 as a road bridge crossing the ishim river.
wikipedia
64c21ac0125826c873ede51e6ff4f12fed701fa0
the qaraötkel bridge (kazakh: Қараөткел көпірі, lit. '
the qaraötkel bridge (kazakh: Қараөткел көпірі, lit. ' crossroads bridge '), also known as ramstor bridge (kazakh: Рамстор көпірі) is an arch bridge spanning the ishim river in astana, kazakhstan. it was built between 2007 and 2008 as a road bridge crossing the ishim river.
wikipedia
e9f00bc8dc420343649ea5e3150f8e0ef670250b
apache arrow is a language-agnostic software framework for
apache arrow is a language-agnostic software framework for developing data analytics applications that process columnar data. it contains a standardized column-oriented memory format that is able to represent flat and hierarchical data for efficient analytic operations on modern cpu and gpu hardware. this reduces or el...
wikipedia
a56949ee04e419758637ac13ba29cfcf10e9ee0c
apache arrow was announced by the apache software
apache arrow was announced by the apache software foundation on february 17, 2016, with development led by a coalition of developers from other open source data analytics projects. the initial codebase and java library was seeded by code from apache drill.
wikipedia
4e1a3c81b70e47320c11ee4557a93c9967099799
apache parquet and apache orc are popular examples
apache parquet and apache orc are popular examples of on-disk columnar data formats. arrow is designed as a complement to these formats for processing data in-memory. the hardware resource engineering trade-offs for in-memory processing vary from those associated with on-disk storage. the arrow and parquet projects inc...
wikipedia
3aec7326f87559cf5285a44ec0080e6ac2c9d04d
arrow can be used with apache parquet, apache
arrow can be used with apache parquet, apache spark, numpy, pyspark, pandas and other data processing libraries.the project includes native software libraries written in c, c++, c#, go, java, javascript, julia, matlab, python, r, ruby, and rust. arrow allows for zero-copy reads and fast data access and interchange with...
wikipedia
e9f00bc8dc420343649ea5e3150f8e0ef670250b
apache arrow is a language-agnostic software framework for
apache arrow is a language-agnostic software framework for developing data analytics applications that process columnar data. it contains a standardized column-oriented memory format that is able to represent flat and hierarchical data for efficient analytic operations on modern cpu and gpu hardware. this reduces or el...
wikipedia
8851fc9e7c4e69b27be6ed13899c6e1c9df6a0b2
the term quantum efficiency (qe) may apply to
the term quantum efficiency (qe) may apply to incident photon to converted electron (ipce) ratio of a photosensitive device, or it may refer to the tmr effect of a magnetic tunnel junction. this article deals with the term as a measurement of a device's electrical sensitivity to light. in a charge-coupled device (ccd) ...
wikipedia
e3b439cb5656938c86602828c88fb70d095b1dd9
where t is the measurement time (in seconds),
where t is the measurement time (in seconds), Φ o {\displaystyle \phi _{o}} = incident optical power in watts, Φ ξ {\displaystyle \phi _{\xi }} = optical power absorbed in depletion layer, also in watts.
wikipedia
4c2e093e938d77a376b7eb2f42f63c5ab1ed8b55
where λ is the wavelength in nm, h
where λ is the wavelength in nm, h is the planck constant, c is the speed of light in vacuum, and e is the elementary charge. note that the unit w/a (watts per ampere) is equivalent to v (volts).
wikipedia
d6fdfb2e60051f529121d3fa3b6669fea4e26bcf
spectral responsivity is a similar measurement, but it
spectral responsivity is a similar measurement, but it has different units: amperes per watt (a/w); (i.e. how much current comes out of the device per unit of incident light power). responsivity is ordinarily specified for monochromatic light (i.e. light of a single wavelength). both the quantum efficiency and the resp...
wikipedia
b1c97de92f01e9a34de08607f82ed2df248a512f
conventional measurement of the eqe will give the
conventional measurement of the eqe will give the efficiency of the overall device. however it is often useful to have a map of the eqe over large area of the device. this mapping provides an efficient way to visualize the homogeneity and/or the defects in the sample. it was realized by researchers from the institute o...
wikipedia
788d5e30f2d90dadf76966ec34d97ac6d4b387b6
quantum efficiency (qe) is the fraction of photon
quantum efficiency (qe) is the fraction of photon flux that contributes to the photocurrent in a photodetector ora pixel. quantum efficiency is one of the most important parameters used to evaluate the quality of a detector and is often called the spectral response to reflect its wavelength dependence. it is defined as...
wikipedia
09f2201241e034f19466f8cfb021b7c6ba9d8fcd
the ideal quantum efficiency graph has a square
the ideal quantum efficiency graph has a square shape, where the qe value is fairly constant across the entire spectrum of wavelengths measured. however, the qe for most solar cells is reduced because of the effects of recombination, where charge carriers are not able to move into an external circuit. the same mechanis...
wikipedia
60da35c360dd0700a0f80569c6073ed371061890
the external quantum efficiency therefore depends on both
the external quantum efficiency therefore depends on both the absorption of light and the collection of charges. once a photon has been absorbed and has generated an electron-hole pair, these charges must be separated and collected at the junction. a "good" material avoids charge recombination. charge recombination cau...
wikipedia
18deff631113840c083be0f8d0121689db2370c2
the iqe is always larger than the eqe
the iqe is always larger than the eqe in the visible spectrum. a low iqe indicates that the active layer of the solar cell is unable to make good use of the photons, most likely due to poor carrier collection efficiency. to measure the iqe, one first measures the eqe of the solar device, then measures its transmission ...
wikipedia
d165769c385fba96d72d950e4683aca875941bc9
a solar cell 's quantum efficiency value indicates
a solar cell 's quantum efficiency value indicates the amount of current that the cell will produce when irradiated by photons of a particular wavelength. if the cell's quantum efficiency is integrated over the whole solar electromagnetic spectrum, one can evaluate the amount of current that the cell will produce when ...
wikipedia
57c5221d3620955e39569287cd507ac0998f01e8
this article deals with the term as a
this article deals with the term as a measurement of a device's electrical sensitivity to light. in a charge-coupled device (ccd) or other photodetector, it is the ratio between the number of charge carriers collected at either terminal and the number of photons hitting the device's photoreactive surface. as a ratio, q...
wikipedia
3736dcad6ac7655a4161f01e217693b4d1a33c78
barry opdam is a dutch retired footballer who
barry opdam is a dutch retired footballer who played as a central defender. he spent most of his 16-year professional career with az, amassing eredivisie totals of 316 games and 13 goals over the course of 11 seasons, all with that club.
wikipedia
0c456fe530f931be104000a7977cca73cc4156b8
on 4 june 2005, opdam made his debut
on 4 june 2005, opdam made his debut for the netherlands in a 2–0 win against romania for the 2006 fifa world cup qualifiers. on 8 october, in the same competition, he scored his first and only international goal, in a 2–0 win against the czech republic.
wikipedia
4c0cd621cddfdda96510600fbd374913448fd88f
in 2008, one year after finishing second in
in 2008, one year after finishing second in the dutch cup, 32-year-old opdam had his first abroad experience, signing for austrian club fc red bull salzburg. after two seasons, being an important defensive unit in the conquest of back-to-back national championships, he returned to his country, joining fc volendam in th...
wikipedia
b357680e4b962908459c343a99a5e108560ba6ed
not known as a goal scorer, opdam scored
not known as a goal scorer, opdam scored an essential one in the second leg of the 2006–07 uefa cup round-of-32 clash against fenerbahçe sk. after a 3–3 draw in istanbul, the turkish led 2–0 at half-time, and the defender headed home from a julian jenner free kick with seven minutes to go, making it 2–2 and sending his...
wikipedia
757a329ac825a1e03cc39eee55ec86f318aee5de
born in leiden, south holland, opdam began his
born in leiden, south holland, opdam began his professional career with az alkmaar, being relegated to the second division in his first year and immediately promoting back in the following. subsequently, he became an undisputed starter for the north holland side, amassing more than 400 official appearances.
wikipedia
db283e4a4b8484490f96b8093c66d06978304876
boris borisovich zvyagin was a russian mineralogist and
boris borisovich zvyagin was a russian mineralogist and crystallographer. he is a pioneer in the structural study of layer minerals by electron diffraction and is also known for his work on modular structures, including polymorphism, polytypism, and order-disorder structures in crystals. zvyagin attended moscow state u...
wikipedia
40db055805433094b03a84c95ac73201982feb7f
zvyagin attended moscow state university without entrance exams,
zvyagin attended moscow state university without entrance exams, graduating with a degree in physics in 1944. he worked at the all-union geological institute since 1949 and was awarded doctor of science in 1963 at the moscow soil institute. he then moved to the institute of ore mineralogy of the russian academy of scie...
wikipedia
18246612914626e6befaaabb0f106866eab10d78
boris borisovich zvyagin (april 14, 1921 – september
boris borisovich zvyagin (april 14, 1921 – september 18, 2002) was a russian mineralogist and crystallographer. he is a pioneer in the structural study of layer minerals by electron diffraction and is also known for his work on modular structures, including polymorphism, polytypism, and order-disorder structures in cry...
wikipedia
744f1b79aee1fe94ecf46b8fd11a2775c17dc03d
plasma oscillations, also known as langmuir waves, are
plasma oscillations, also known as langmuir waves, are rapid oscillations of the electron density in conducting media such as plasmas or metals in the ultraviolet region. the oscillations can be described as an instability in the dielectric function of a free electron gas. the frequency depends only weakly on the wavel...
wikipedia
1972defe39b8da485ecf236f9f5962cd7e843071
which is negative when the frequency ω {\displaystyle
which is negative when the frequency ω {\displaystyle \omega } approaches ω p {\displaystyle \omega _{\rm {p}}} from above. metamaterials exploiting the effect of the negative mass in the vicinity of the plasma frequency were reported.
wikipedia
45b8f0e001d9dba97a4b05b22890e9ea52b6a219
the negative effective mass (density) becomes also possible
the negative effective mass (density) becomes also possible based on the electro-mechanical coupling exploiting plasma oscillations of a free electron gas (see figure 2). the negative mass appears as a result of vibration of a metallic particle with a frequency of ω {\displaystyle \omega } which is close the frequency ...
wikipedia
e94de7a89838da37a246ef52c7e1e8a1c4f8a1a1
where ω 0 = k 2 / m
where ω 0 = k 2 / m 2 {\textstyle \omega _{0}={\sqrt {k_{2}/m_{2}}}}. when the frequency ω {\displaystyle \omega } approaches ω 0 {\displaystyle \omega _{0}} from above the effective mass m e f f {\displaystyle m_{\rm {eff}}} will be negative.
wikipedia
c16d9459599833906da4229cc836b75d7ad0efb6
plasma oscillations may give rise to the effect
plasma oscillations may give rise to the effect of the “ negative mass ”. the mechanical model giving rise to the negative effective mass effect is depicted in figure 1. a core with mass m 2 {\displaystyle m_{2}} is connected internally through the spring with constant k 2 {\displaystyle k_{2}} to a shell with mass m 1...
wikipedia
e298dd9fa2377862d6c8245c4270c85017a6958f
so the plasma waves can accelerate electrons that
so the plasma waves can accelerate electrons that are moving with speed nearly equal to the phase velocity of the wave. this process often leads to a form of collisionless damping, called landau damping. consequently, the large- k portion in the dispersion relation is difficult to observe and seldom of consequence.
wikipedia
6ac858eb53bc97806951ec16c563606fcb47e16b
called the bohm – gross dispersion relation. if
called the bohm – gross dispersion relation. if the spatial scale is large compared to the debye length, the oscillations are only weakly modified by the pressure term, but at small scales the pressure term dominates and the waves become dispersionless with a speed of 3 ⋅ v e, t h {\displaystyle {\sqrt {3}}\cdot v_{\ma...
wikipedia
fc8796f563d6428941f0fd23bd29f46993743a96
when the effects of the electron thermal speed
when the effects of the electron thermal speed v e, t h = k b t e / m e {\textstyle v_{\mathrm {e,th} }={\sqrt {k_{\mathrm {b} }t_{\mathrm {e} }/m_{\mathrm {e} }}}} are taken into account, the electron pressure acts as a restoring force as well as the electric field and the oscillations propagate with frequency and wav...
wikipedia
ae4158224d9040976f3576dbe4a4b3c7f53032e9
metals are only transparent to light with a
metals are only transparent to light with a frequency higher than the metal's plasma frequency. for typical metals such as aluminium or silver, n e {\displaystyle n_{\mathrm {e} }} is approximately 10 cm, which brings the plasma frequency into the ultraviolet region. this is why most metals reflect visible light and ap...
wikipedia
8406bc6deea2c7f7aa77e372c8e0cf0e3bd6a8d0
note that, when m ∗ = m e
note that, when m ∗ = m e {\displaystyle m^{*}=m_{\mathrm {e} }}, the plasma frequency, ω p e {\displaystyle \omega _{\mathrm {pe} }}, depends only on physical constants and electron density n e {\displaystyle n_{\mathrm {e} }}. the numeric expression for angular plasma frequency is
wikipedia
9187b7078e76fc4f760c3a0aa4f587da04d95556
but this is also the dielectric constant (see
but this is also the dielectric constant (see drude model) ϵ (ω) = 1 + 4 π i σ (ω) ω {\displaystyle \epsilon (\omega)=1+{\frac {4\pi i\sigma (\omega)}{\omega }}} and the condition of transparency (i.e. ϵ ≥ 0 {\displaystyle \epsilon \geq 0} from a certain plasma frequency ω p {\displaystyle \omega _{\rm {p}}} and above)...
wikipedia
5c6b43e287be8c64be0e0fd23b07e8381db2ff19
proof using maxwell equations. assuming charge density oscillations
proof using maxwell equations. assuming charge density oscillations ρ (ω) = ρ 0 e − i ω t {\displaystyle \rho (\omega)=\rho _{0}e^{-i\omega t}} the continuity equation:
wikipedia
e37f21af1fc5f550b12a218f869810cd83973edb
where n e {\displaystyle n_{\mathrm {e} }} is
where n e {\displaystyle n_{\mathrm {e} }} is the number density of electrons, e {\displaystyle e} is the electric charge, m ∗ {\displaystyle m^{*}} is the effective mass of the electron, and ε 0 {\displaystyle \varepsilon _{0}} is the permittivity of free space. note that the above formula is derived under the approxi...
wikipedia
34de8ee5141b7664e2fafcffe34b2dc7767935c7
consider an electrically neutral plasma in equilibrium, consisting
consider an electrically neutral plasma in equilibrium, consisting of a gas of positively charged ions and negatively charged electrons. if one displaces by a tiny amount an electron or a group of electrons with respect to the ions, the coulomb force pulls the electrons back, acting as a restoring force.
wikipedia
2a8b18bc8a00f76e58e9b94cbb57361234646250
plasma oscillations, also known as langmuir waves (after
plasma oscillations, also known as langmuir waves (after irving langmuir), are rapid oscillations of the electron density in conducting media such as plasmas or metals in the ultraviolet region. the oscillations can be described as an instability in the dielectric function of a free electron gas. the frequency depends ...
wikipedia
07cc93b5311d1fa39c051e723a04c21c51deeea9
social gravity has been used to describe marketing
social gravity has been used to describe marketing campaigns focused on forming partnerships and engaging consumers. the term was coined by the harvard business review to describe companies that build brand identity that "pull customers into their orbit". this is done by using company resources to build relationships w...
wikipedia
a8c0951f70646347df3da346da74fab6e23d8a7e
pownall applied the newtonian concept of gravity to
pownall applied the newtonian concept of gravity to his theory of empire, as evident in his suggestion that the "laws of nature" held the colonies to great britain in a manner "analogous in all cases, by which the center of gravity in the solar system" held the planets in their orbits. in making this analogy, pownall's...
wikipedia
b7173e10db19b9a2620c3143e5b1a77a3f785aeb
the term has been used to describe the
the term has been used to describe the system of commercial and political influence. for instance, in the administration of the colonies (1764), thomas pownall (1722–1805) used the newtonian concept of "attraction" to form the basis of his political and commercial theory of empire. pownall's vision provided an importan...
wikipedia
4a3a739b8417b5172a6e1404c42aa36664dd7892
moditlo private game reserve forms an integral part
moditlo private game reserve forms an integral part of the 10 000 hectare blue canyon private game reserve, located near hoedspruit, limpopo province, south africa. the reserve borders kapama game reserve to the eastern side, the drakensberg mountains forms the backdrop to the west, and falls into the southern/central ...
wikipedia
855415d0257a01b4605c225f733aad39f23563e3
moditlo private game reserve (3 500 hectares, approximately
moditlo private game reserve (3 500 hectares, approximately 7 500 acres) forms an integral part of the 10 000 hectare blue canyon private game reserve, located near hoedspruit, limpopo province, south africa. the reserve borders kapama game reserve to the eastern side, the drakensberg mountains forms the backdrop to th...
wikipedia
fcdc018d124736bd75c898194221bf85b82ee00c
alice leigh-smith, born september 11, 1907, was a
alice leigh-smith, born september 11, 1907, was a croatian born nuclear physicist. she is best known for being the first woman in british history to receive a phd in nuclear physics. additionally, she is remembered for her pioneering research in cancer and for her attempts in the discovery of an elusive element, elemen...
wikipedia
b9301e55e931c671c42697df733bed1827939766
in 1933, at the age of 26, she
in 1933, at the age of 26, she married philip leigh-smith, a british diplomat and son of the arctic explorer benjamin leigh-smith. his published comedy, "ladies in diplomacy" is purportedly based on the adventures of his wife, alice.
wikipedia
ccfcc038cd8ba71c4f0d7b4bb89b2548af541ef7
in 1942, leigh-smith and a swiss chemist, walter
in 1942, leigh-smith and a swiss chemist, walter minder jointly announced the discovery of element 85 (now called astatine) in 1942. they proposed the name anglohelvetium for the new element, in order to honor both of their home countries- "anglo" for leigh-smith's england and "helvetia" after the personification of mi...
wikipedia
9d28a5f4584355acb7a8d6e46181dac3d3ee7072
dr. alice leigh-smith was also involved in the
dr. alice leigh-smith was also involved in the use of radioactive substances as a treatment for cancer. from 1936, she conducted cancer research as part of the british empire cancer campaign. from 1938 to 1940, during the second world war, alice leigh-smith was at the university of bern in switzerland, where she contin...
wikipedia
0d03329ad1868df5bddf7f75706a7b272d028d68
at the age of 25 in 1932, prebil
at the age of 25 in 1932, prebil began working at the radium institute in paris under the tutelage of marie curie. three years later, in 1935, at the age of 28, she would become the first woman in great britain to receive a phd in nuclear physics. it is accepted that leigh-smith defended her thesis in london, however i...
wikipedia
686f99fa85d652893054221f92bee24ddaa6fe3f
alice leigh-smith (née prebil), born september 11, 1907,
alice leigh-smith (née prebil), born september 11, 1907, was a croatian born nuclear physicist. she is best known for being the first woman in british history to receive a phd in nuclear physics. additionally, she is remembered for her pioneering research in cancer and for her attempts in the discovery of an elusive el...
wikipedia
db1f2f78469d37de64b98f077370d46c58229b0c
pico hydro is a term used for hydroelectric
pico hydro is a term used for hydroelectric power generation of under 5 kw. these generators have proven to be useful in small, remote communities that require only a small amount of electricity – for example, to power one or two fluorescent light bulbs and a tv or radio in 50 or so homes. even smaller turbines of 200–...
wikipedia
718515318a08a532d7169a2b40f2347f336c8961
if the power will be used more than
if the power will be used more than 30 metres (98 ft) from the generator, then the transmission distance may be an important consideration. many small systems use automotive alternators producing 12 vdc, and possibly charging a battery. for example, a 12 v system that produces 1 kw of power has a flow of 80 a and the w...
wikipedia
53d88849d0dfc902571a3ca350abcc91eb8545c1
a website has been put together as a
a website has been put together as a forum for ideas and further iterations of the generator that includes a build manual. common centrifugal water pumps, can be operated in reverse to act as turbines. while these machines rarely have optimum hydraulic characteristics when operated as turbines, their availability and l...
wikipedia
1c7dc26a03b67fe7cf8abc4fad7fd6af82bed4e0
sam redfield of the appropriate infrastructure development group
sam redfield of the appropriate infrastructure development group (aidg) has developed a pico-hydro generator made from common pvc pipe and a modified toyota alternator housed in a five gallon bucket. the generator was developed to provide power to communities without access to the electricity grid in developing countri...
wikipedia
e5eab8c6885e15cab7257aa288f68608129c0478
in vietnam, several chinese manufacturers have sold pico-powerplants
in vietnam, several chinese manufacturers have sold pico-powerplants at prices as low as $20–70 for a powerplant of 300–500 w. however, the devices sold are said to be low in quality and may damage connected equipment if connected improperly.
wikipedia
b3623d4f59f28cade723bbefc22878e51bc474a8
with a growing diy -community and an increasing
with a growing diy -community and an increasing interest in environmentally friendly " green energy ", some hobbyists have endeavored to build their own hydroelectric plants from old water mills, from kits, or from scratch. the diy-community has used abandoned water mills to mount a waterwheel and electrical generating...
wikipedia
03cad78682d6697732276b02d6b5ab531bbd37af
pico hydro is a term used for hydroelectric
pico hydro is a term used for hydroelectric power generation of under 5 kw. these generators have proven to be useful in small, remote communities that require only a small amount of electricity – for example, to power one or two fluorescent light bulbs and a tv or radio in 50 or so homes. even smaller turbines of 200–...
wikipedia
b8001aa37aff847e79a0dace62f4577302d02b19
albrecht schmidt is a computer scientist best known
albrecht schmidt is a computer scientist best known for his work in ubiquitous computing, pervasive computing, and the tangible user interface. he is a professor at ludwig maximilian university of munich where he joined the faculty in 2017.
wikipedia
755881cb1d3fedd2e1c44f4fc4dbda6b951c2c52
schmidt was elected to the chi academy in
schmidt was elected to the chi academy in 2018 and to the german national academy of sciences leopoldina in 2020. in 2023, schmidt received the recognition of being named a fellow of the association for computing machinery (acm).
wikipedia
80a6dbaee7b5b9d5bc0faeb5a24defdacefaa1eb
albrecht schmidt received an m.sc. in computing from
albrecht schmidt received an m.sc. in computing from manchester metropolitan university (uk) in 1996. his master thesis was on modular neural networks. in 1997, he finished his master's degree in computer science at the university of ulm (germany). as a research assistant schmidt was working towards a phd at telecooper...
wikipedia
bda378abb30452dc37bf59bf6131a5631ac6cf91
albrecht schmidt (born 1970) is a computer scientist
albrecht schmidt (born 1970) is a computer scientist best known for his work in ubiquitous computing, pervasive computing, and the tangible user interface. he is a professor at ludwig maximilian university of munich where he joined the faculty in 2017.
wikipedia
9cef7d91b1cb1332204ede6348d78d76bec50f15
the al-attar mosque is a congregational mosque (jāmiʿ)
the al-attar mosque is a congregational mosque (jāmiʿ) in the old city of tripoli, lebanon built around 1350 a.d during the mamluk era. the mosque is widely noted for its unusual layout, its interior bears no resemblance to any other known mosque types, and for its square-shaped minaret, an integral part of the skyline...
wikipedia
1c6e800160005f6b3ba1e34d6bbef18c66068644
in the interior, the minbar in the center
in the interior, the minbar in the center is a built-in white marble structure. the mihbar sits off-center on the qiblah wall. this layout is extremely uncommon in mosque construction. the odd configuration of these interior components has been the main cause of speculation surrounding the mosque's history and potentia...
wikipedia
cf4828b8a01d7351857bbf3ada45a9b178991061
notable exterior structures are the grand and richly
notable exterior structures are the grand and richly decorated eastern portal which is made from light and dark-colored alternating stone with stone molding, decorative ablaq, a square plaque of polychrome marble, and a crowning muqarnas niche. another is the towering square-shaped minaret that is made out of sandstone...
wikipedia
a10dab000df5cdef9f82324ce16b74d3ba74448d
the mosque blends in with its surroundings. the
the mosque blends in with its surroundings. the three entrances are direct extensions of three roads, with the dome of the mosque being where these three major streets would intersect. this layout asserts the mosque as meeting place for, and extension of the surrounding community.
wikipedia
fda936d6cdf18da2d23264ef0afb0cd11c195b76
the construction of the mosque is broken up
the construction of the mosque is broken up into three distinct sections that occurred at three different times. the oldest section of the mosque is the southern section, the northern section was constructed in a second phase, and then finally a third phase consisted of adding the ablution room, vestibule, and the adjo...
wikipedia
a82b96e956ea8196d63e621c2acc2abc40539082
there are two main architects attributed to the
there are two main architects attributed to the construction of the mosque whose names are inscribed within the building. one is abu bakr ibn al-basis, a well known architect of the time, and the other is muhammad ibn ibrahim, an unknown architect who is written to have been responsible for the main eastern portal and ...
wikipedia
7600b0124a20d97fa6d3566693b63faf7095c92b
there are three entrances (portals) to the mosque,
there are three entrances (portals) to the mosque, the east entrance, which is the main entrance, the western entrance, and the north entrance. the core of the structure is the main prayer hall (situated south to north) with a barrel vault that leads to a dome structure. there is a vestibule leading into the prayer hal...
wikipedia
28fa6fd22aa90cedd8060267a475ea110bbc927d
the history of al-attar mosque is contested, but
the history of al-attar mosque is contested, but it is largely believed that the mosque was formerly the place of a crusader church, an assertion first made by a scholar named abd al-ghani al-nabulsi in his travelogue al-rihlah al-tarabulusiyah. the exact nature of transformation from church to mosque is theorized in m...
wikipedia
dd9f99b5bb5212d199f1ab636d5b3eed615ef30a
the al-attar mosque (arabic: مسجد العطار) is a
the al-attar mosque (arabic: مسجد العطار) is a congregational mosque (jāmiʿ) in the old city of tripoli, lebanon built around 1350 a.d during the mamluk era. the mosque is widely noted for its unusual layout, its interior bears no resemblance to any other known mosque types, and for its square-shaped minaret, an integr...
wikipedia
fdafa739cb59f5d9c5f7e1ef79e1048759a8b3be
powys is the largest administrative county in wales.
powys is the largest administrative county in wales. with over a quarter of wales's land area, covering much of the eastern half of the country, it is a county of remote uplands, low population and no coastline. it was created in more or less its current form in 1974, and is the only one of the large county units creat...
wikipedia
e4d5399d6cb50d69807363ac5b1216e32e53f8f1
the sites that are scheduled represent the most
the sites that are scheduled represent the most important or interesting examples of the various classes of archaeological sites. for example, a 2012 study identified 1,130 prehistoric burial mounds within powys, of varying styles and ages, dating from 4000bc to 1000bc, most of them belonging to the bronze age. of thes...
wikipedia
33f6e4805a4b37422e563558ee65caa2670e513d
scheduled monuments have statutory protection. it is illegal
scheduled monuments have statutory protection. it is illegal to disturb the ground surface or any standing remains. the compilation of the list is undertaken by cadw welsh historic monuments, which is an executive agency of the national assembly of wales. the lists above derive from the schedules supplied by cadw and i...
wikipedia
2d7be9b81be59d2153dfb8565daf5ebdc059d19a
the statistics below show the total number of
the statistics below show the total number of sites ascribed to each period, and the breakdown for the six lists of scheduled monuments in powys. the allocation to one or another period is not always certain, particularly between the prehistoric periods, and many sites will have remains from more than one period, so th...
wikipedia
fdafa739cb59f5d9c5f7e1ef79e1048759a8b3be
powys is the largest administrative county in wales.
powys is the largest administrative county in wales. with over a quarter of wales's land area, covering much of the eastern half of the country, it is a county of remote uplands, low population and no coastline. it was created in more or less its current form in 1974, and is the only one of the large county units creat...
wikipedia
daba6aebfaa9af8b74a97072ed034bea3c03075f
siemion fajtlowicz is a polish-american mathematician, formerly a
siemion fajtlowicz is a polish-american mathematician, formerly a professor at the university of houston. he is known for creating and developing the conjecture-making computer program graffiti. fajtlowicz received his ph.d. in 1967 or 1968 from the institute of mathematics of the polish academy of sciences, under the ...
wikipedia
9bcfeba482c46d5b2e536a598b80e3c844d6b9af
shafiq bin shaharudin is a malaysian professional footballer
shafiq bin shaharudin is a malaysian professional footballer who plays as a forward for malaysia super league club kelantan. born in batu pahat, johor, shafiq started his career playing for johor youth team.
wikipedia
7701bbdf0a4542b9977a006220afcc25f03245e0
a personal supercomputer (psc) is a marketing ploy
a personal supercomputer (psc) is a marketing ploy used by computer manufacturers for high-performance computer systems and was a popular term in the mid 2000s to early 2010s. there is no exact definition for what a personal supercomputer is. many systems have had that label put on them like the cray cx1 and the apple ...
wikipedia
637abe745e22d4ad384cd274b9498ae428bd147e
they can be used in medical applications for
they can be used in medical applications for processing brain and body scans, resulting in faster diagnosis. another application is persistent aerial surveillance where large amounts of video data need to be processed and stored. also they are used in ai for deep learning and machine learning. one more use is in the fi...
wikipedia
99b365dc63171b8f910bd735f3415f2fa498bba6
this is the closest thing to a formal
this is the closest thing to a formal definition of a personal supercomputer as most computers marketed as personal supercomputers are deskside clusters like the cray cx1. a deskside cluster is as defined by insidehpc.com “deskside clusters come in a chassis that you can plug into the wall of your office, and they are ...
wikipedia
7701bbdf0a4542b9977a006220afcc25f03245e0
a personal supercomputer (psc) is a marketing ploy
a personal supercomputer (psc) is a marketing ploy used by computer manufacturers for high-performance computer systems and was a popular term in the mid 2000s to early 2010s. there is no exact definition for what a personal supercomputer is. many systems have had that label put on them like the cray cx1 and the apple ...
wikipedia
b3fc593734d1dffcb816a2bab8296874895acad6
boris variations is a compilation of previously recorded
boris variations is a compilation of previously recorded and re-recorded audio music, as well as live video music by japanese band, boris. the cd comprises selections from six boris full-length releases that generally keep to their 'heavy rock' style, as well as one single b-side. five of the 13 songs have been re-reco...
wikipedia
ea8f37fe38fe356cba4e753d2d0972381661de50
boris variations is a compilation of previously recorded
pages, all but two are blank. curiously, while the length of the opening introduction track from akuma no uta is identical to the original introduction of the japanese cd, the audio is actually an edit of the 9 minute introduction used for the us pressing of the album. as well, this compilation marks yet another disti...
wikipedia
0ae3050f3bf1e61861d4edaea3205af46229656f
curiously, while the length of the opening introduction
curiously, while the length of the opening introduction track from akuma no uta is identical to the original introduction of the japanese cd, the audio is actually an edit of the 9 minute introduction used for the us pressing of the album. as well, this compilation marks yet another distinct version of the song "a bao ...
wikipedia
843974e8a4d6688241bb7128ea4d21493177dfd2
the dvd is composed of 14 songs and
the dvd is composed of 14 songs and is titled "live in japan" on the menu page. the first 11 tracks were recorded on december 14, 2008, and follow the track list set down by the band on their smile -live at wolf creek- recording and tour at the end of the band's smile world tour at daikanyama unit in tokyo. the last th...
wikipedia
62bc0d41c6cc8339cc7028183b7883c143153719
boris variations is a compilation of previously recorded
boris variations is a compilation of previously recorded and re-recorded audio music, as well as live video music by japanese band, boris. the cd comprises selections from six boris full-length releases that generally keep to their 'heavy rock' style, as well as one single b-side ("floor shaker" is from the "statement"...
wikipedia
424a9b4cfc48e5285f4bcd24e119517e4ec0a7ec
cartoon saloon, the irish animation studio responsible for
cartoon saloon, the irish animation studio responsible for the breadwinner and wolfwalkers, have the most wins in this category with two. the french animation studio folivari have the most nominations with four (winning for co-producing the aforementioned wolfwalkers). gkids is the distributor with the most wins in thi...
wikipedia
e441f0ec9d13760a78d4a60462eea0a7b00b18ce
kakutani's other mathematical contributions include markov–kakutani fixed-point theorem,
kakutani's other mathematical contributions include markov–kakutani fixed-point theorem, another fixed point theorem; the kakutani skyscraper, a concept in ergodic theory (a branch of mathematics that studies dynamical systems with an invariant measure and related problems); his solution of the poisson equation using t...
wikipedia
47d65122bd0781830d791e358033cfda4bbbe1a0
the kakutani fixed-point theorem is a generalization of
the kakutani fixed-point theorem is a generalization of brouwer's fixed-point theorem, holding for generalized correspondences instead of functions. its most important uses are in proving the existence of nash equilibria in game theory, and the arrow–debreu–mckenzie model of general equilibrium theory in microeconomics...
wikipedia
e8b1be7b49bf700d634c46123a15a3592e0b5936
kakutani was married to keiko ("kay") uchida, who
kakutani was married to keiko ("kay") uchida, who was a sister to author yoshiko uchida. his daughter, michiko kakutani, is a pulitzer prize -winning former literary critic for the new york times.
wikipedia
bccc4fd58bbb41496532bd85026695b431f9c03b
kakutani received two awards of the japan academy,
kakutani received two awards of the japan academy, the imperial prize and the academy prize in 1982, for his scholarly achievements in general and his work on functional analysis in particular. he was a plenary speaker of the icm in 1950 in cambridge, massachusetts.
wikipedia
92fc6cef1fb572b192460566b2fd3ef7f0db69be
kakutani received his ph.d. in 1941 from osaka
kakutani received his ph.d. in 1941 from osaka university and taught there through world war ii. he returned to the institute for advanced study in 1948, and was given a professorship by yale in 1949, where he won a students' choice award for excellence in teaching.
wikipedia
0c9a4c64c7223e7e8dbee60df855347afbfd90ec
kakutani attended tohoku university in sendai, where his
kakutani attended tohoku university in sendai, where his advisor was tatsujirō shimizu. at one point he spent two years at the institute for advanced study in princeton at the invitation of the mathematician hermann weyl. while there, he also met john von neumann.
wikipedia
cd1b7bb69370e556cfe49767de0224c419d2a0ea
shizuo kakutani (角谷 静夫, kakutani shizuo, august 28,
shizuo kakutani (角谷 静夫, kakutani shizuo, august 28, 1911 – august 17, 2004) was a japanese and american mathematician, best known for his eponymous fixed-point theorem.
wikipedia