Search for tag: "fabrication"

11:34 2019_NNCI_REU_Presentations_-_Oluchi_Onwuvuche 2019_NNCI_REU_Presentations_-_Oluchi_Onwuvuche	2019_NNCI_REU_Presentations_-_Oluchi_Onwuvuche electronics terminology characteristics concepts in physics resistance surface graphic design chemical elements crystals caption complete memory device silicon computer graphics density interesting capacitance potential project management insulator platinum layer product silicone photography alternative education oxides electron capacitor access memory interface dioxide layer structure physical quantities conducting semiconductor device fabrication vacancies positive voltage solution project elementary geometry high density procedure From James Overhiser on August 16th, 2019 0 plays
09:46 2017 REU Daniel Teal CNF HHMI KEP PARADIM REU… 2017 REU Daniel Teal CNF HHMI KEP PARADIM REU Nano-Convocation	2017 REU Daniel Teal CNF HHMI KEP PARADIM REU Nano-Convocation d.n.a.laser diffraction u.v.positive resist chemical composition tiny molecules concepts in physics silicon dioxide chemical elements pressure drop biological function mirror stack top-level domains electric potential cnf i.t.t.l.d.electricity d.v.r.optical devices reducing agents molecules photo resist signal processing taper channel smooth surface oxides opposite direction protein spot initial pressure distributed brag social concepts p.d.s.cognition microscopy digital electronics electric field electrical components pretty cool bacterial mechanics fluid flow electrons moving electric current beam scattering frequency design measurement electrode bacteria machines cell biology optical microscope substract print international technology roadmap for semiconductors lithography nodes reu current pretty good plasma clean normal electronic molecular machines double helix crystal quality anthropology tuning fork stamping method extrusion loading electrical current geometry electric material immune cells k.p.h.300 nanometer polymer brushes electronic signal image processing $0.00 nanometers electrostatics fiction literature values megahertz wave molecular biology electronic device transistor d.v.r. stacks deep u.v.unique mechanical properties sound physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering mechanics state functions mechanical system silicon wafer graphene single molecule incubation time crystals metaphysics caption complete carbon forms documents sandwich structure atomic layer deposition diffraction grating potential inside talks electric acoustic wave gold electrodes device mediasite electromagnetism photonics side wall diffraction walls pattern protein $25.00 k.p.h.mass media behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 18th, 2019 1 plays
08:42 2017 REU Dante Avalos CNF HHMI KEP PARADIM REU… 2017 REU Dante Avalos CNF HHMI KEP PARADIM REU Nano-Convocation	2017 REU Dante Avalos CNF HHMI KEP PARADIM REU Nano-Convocation d.n.a.laser diffraction u.v.positive resist chemical composition tiny molecules concepts in physics silicon dioxide pressure drop biological function mirror stack electric potential i.t.t.l.d.electricity cherry d.v.r.optical devices molecules stain signal processing taper channel smooth surface oxides opposite direction protein spot initial pressure unique distributed brag social concepts p.d.s.cognition proteins microscopy elementary geometry digital electronics electric field pretty cool bacterial mechanics fluid flow electrons moving electric current beam scattering design single molecule happen bacteria machines mechanical properties genetics cell biology optical microscope substract print international technology roadmap for semiconductors lithography nodes reu cnf internet pretty good method plasmid plasma clean normal electronic molecular machines double helix crystal quality anthropology control tuning fork contamination stamping method extrusion loading change topology geometry electric material studies k.p.h.fantastic color 300 nanometer polymer brushes electronic signal image processing $0.00 nanometers electrostatics question fiction attach electrical current literature values megahertz wave molecular biology electronic device d.v.r. stacks deep u.v.unique mechanical properties physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering groove mechanics mechanical system process silicon wafer binding surface characterize incubation time crystals protein metaphysics caption complete documents sandwich structure atomic layer deposition diffraction grating potential inside talks picture laundry acoustic wave optical spectrum gold electrodes mediasite electromagnetism photonics immune cells side wall diffraction walls pattern protein $25.00 k.p.h.photo resist behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 18th, 2019 0 plays
09:13 2017 REU Monica Lopez Martinez CNF HHMI KEP… 2017 REU Monica Lopez Martinez CNF HHMI KEP PARADIM REU Nano-Convocation	2017 REU Monica Lopez Martinez CNF HHMI KEP PARADIM REU Nano-Convocation d.n.a.laser diffraction u.v.positive resist chemical composition tiny molecules concepts in physics silicon dioxide pressure drop biological function adjustment mirror stack electric potential cnf i.t.t.l.d.electricity d.v.r.optical devices molecules magnetic signal processing taper channel smooth surface oxides opposite direction protein spot initial pressure distributed brag social concepts p.d.s.cognition proteins microscopy digital electronics electric field pretty cool bacterial mechanics fluid flow electrons moving electric current beam scattering design single molecule tether bacteria machines cell biology optical microscope substract print international technology roadmap for semiconductors lithography nodes reu increase pretty good plasma clean electron beam normal electronic molecular machines double helix crystal quality anthropology tuning fork stamping method extrusion loading properties electrical current geometry electric material amount immune cells k.p.h.features 300 nanometer polymer brushes electronic signal image processing $0.00 nanometers electrostatics spots fiction literature values megahertz wave molecular biology electronic device surface d.v.r. stacks deep u.v.unique mechanical properties protocols physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering mechanics mechanical system silicon wafer curves incubation time crystals metaphysics caption complete documents sandwich structure atomic layer deposition diffraction grating potential inside talks molecule acoustic wave gold electrodes mediasite electromagnetism photonics side wall diffraction walls pattern protein $25.00 k.p.h.photo resist behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 18th, 2019 0 plays
09:58 2017 REU Michael Klaczko CNF HHMI KEP PARADIM… 2017 REU Michael Klaczko CNF HHMI KEP PARADIM REU Nano-Convocation	2017 REU Michael Klaczko CNF HHMI KEP PARADIM REU Nano-Convocation d.n.a.laser diffraction u.v.positive resist chemical composition tiny molecules concepts in physics silicon dioxide chemical elements pressure drop biological function scattering mirror stack electric potential i.t.t.l.d.electricity transparent d.v.r.optical devices molecules signal processing taper channel smooth surface oxides opposite direction protein spot initial pressure distributed brag side walls social concepts substrate p.d.s.cognition microscopy specific digital electronics electric field brush pretty cool bacterial mechanics fluid flow electrons moving electric current beam scattering design single molecule wavelength bacteria machines cell biology optical microscope dietary minerals image processing substract print international technology roadmap for semiconductors lithography nodes reu cnf pretty good plasma clean occupational safety and health normal electronic molecular machines double helix crystal quality anthropology tuning fork stamping method extrusion loading topology geometry electric material immune cells k.p.h.300 nanometer polymer brushes transition metals electronic signal chromium $0.00 nanometers electrostatics question fiction electrical current literature values megahertz wave molecular biology electronic device d.v.r. stacks deep u.v.unique mechanical properties physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering mechanics mechanical system process silicon wafer surface incubation time crystals metaphysics caption complete documents sandwich structure atomic layer deposition diffraction grating potential inside talks acoustic wave gold electrodes mediasite structure electromagnetism initiator photonics side wall space diffraction walls pattern protein $25.00 k.p.h.photo resist behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 18th, 2019 0 plays
09:36 2017 REU Gabriel Guisado CNF HHMI KEP PARADIM REU… 2017 REU Gabriel Guisado CNF HHMI KEP PARADIM REU Nano-Convocation	2017 REU Gabriel Guisado CNF HHMI KEP PARADIM REU Nano-Convocation d.n.a.laser diffraction u.v.positive resist chemical composition tiny molecules concepts in physics resistance silicon dioxide experiments pressure drop industrial processes biological function mirror stack top-level domains electric potential cnf i.t.t.l.d.electricity d.v.r.optical devices molecules signal processing distance taper channel smooth surface oxides opposite direction protein spot initial pressure penetrate infectious diseases distributed brag condition social concepts p.d.s.cognition microscopy digital electronics electric field pretty cool bacterial mechanics fluid flow electrons moving electric current beam scattering design single molecule bacteria machines fluid dynamics cell biology optical microscope substract print international technology roadmap for semiconductors lithography nodes reu increase pretty good plasma clean normal electronic molecular machines double helix crystal quality anthropology tuning fork stamping method extrusion loading electrical current geometry electric material immune cells k.p.h.300 nanometer polymer brushes electronic signal image processing $0.00 nanometers electrostatics question fiction exposure literature values megahertz wave molecular biology electronic device infection d.v.r. stacks deep u.v.unique mechanical properties physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering side wall mechanics state functions mechanical system silicon wafer incubation time crystals metaphysics caption complete documents sandwich structure atomic layer deposition diffraction grating potential inside talks constriction photography channel acoustic wave gold electrodes device mediasite fluid mechanics electromagnetism photonics professor diffraction walls pattern protein $25.00 k.p.h.photo resist behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 18th, 2019 1 plays
08:06 2017 REU Jonathan Chandonait CNF HHMI KEP… 2017 REU Jonathan Chandonait CNF HHMI KEP PARADIM REU Nano-Convocation	2017 REU Jonathan Chandonait CNF HHMI KEP PARADIM REU Nano-Convocation d.n.a.laser diffraction u.v.positive resist chemical composition tiny molecules concepts in physics silicon dioxide pressure drop biological function reu mirror stack electric potential i.t.t.l.d.electricity absorption d.v.r.optical devices molecules signal processing taper channel material smooth surface oxides opposite direction protein spot initial pressure distributed brag social concepts substrate p.d.s.cognition microscopy digital electronics electric field optics pretty cool bacterial mechanics fluid flow philosophical terminology electrons moving electric current beam scattering design single molecule wavelength photon reflections nanometer bacteria machines cell biology optical microscope substract print international technology roadmap for semiconductors lithography nodes thickness cnf pretty good plasma clean normal electronic molecular machines double helix crystal quality anthropology tuning fork stamping method extrusion loading electrical current chemical processes geometry electric material refraction immune cells k.p.h.300 nanometer polymer brushes electronic signal image processing reflector $0.00 nanometers electrostatics opportunity fiction literature values megahertz wave molecular biology electronic device d.v.r. stacks deep u.v.unique mechanical properties project management physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering problem mechanics mechanical system d.b.silicon wafer incubation time crystals metaphysics caption complete documents sandwich structure atomic layer deposition diffraction grating roughness potential inside talks acoustic wave gold electrodes mediasite compatibility electromagnetism photonics side wall diffraction walls purification pattern protein $25.00 k.p.h.photo resist behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 18th, 2019 1 plays
11:23 2017 REU Morgan Grandon 2017 PARADIM REU… 2017 REU Morgan Grandon 2017 PARADIM REU Nano-Convocation	2017 REU Morgan Grandon 2017 PARADIM REU Nano-Convocation summer resist heavy gold compressive strain growth parameters superconductors resistance chemical elements cnf criminal law lattice constant atmospheric thermodynamics thermodynamics high energy transmission electron microscopy m.b.e.quantum computing fair lecture concepts in physics magnetic field super conducting compressive film coolants fine edge presidium scandi substrate microscope grid protective layers lecture granted access phases of matter t.c.strain films higher concentration gold standard real space plan view philosophical terminology liquid nitrogen measurement superconducting thin film structural characterization reu starting point spintronics granted access memory scanning transmission electron electron beam model layer strontium ratios superconductor atomically bonded plane lot characteristic reflections high current external field structural change alternating current thin film individual layers tensile strain temperature liquid nitrogen temperature glass slide energy density supporting electrolyte room temperature image transition metal films tensile film pencil strain super conducting film physical quantities semiconductor device fabrication domain wall flux ratio external bias state functions ram superconducting mathematical terminology random access memory helium resistivity measurement caption complete economics terminology face pure potential peaks coming hand side superconductivity applications direct current mediasite superconducting film huge amounts electromagnetism reciprocal space mapping low temperature room temperature current density From James Overhiser on February 18th, 2019 4 plays
01:02:41 2017 CNF HHMI KEP PARADIM REU Nano-Convocation -… 2017 CNF HHMI KEP PARADIM REU Nano-Convocation - Session 3_001	2017 CNF HHMI KEP PARADIM REU Nano-Convocation - Session 3_001 d.n.a.substract print u.v.positive resist chemical composition tiny molecules concepts in physics silicon dioxide pressure drop biological function mirror stack electric potential i.t.t.l.d.electricity d.v.r.optical devices molecules signal processing taper channel smooth surface oxides opposite direction protein spot initial pressure distributed brag social concepts p.d.s.cognition microscopy digital electronics electric field pretty cool bacterial mechanics fluid flow electrons moving electric current beam scattering design single molecule bacteria machines cell biology optical microscope laser diffraction international technology roadmap for semiconductors lithography nodes reu cnf pretty good plasma clean normal electronic molecular machines double helix crystal quality anthropology tuning fork stamping method extrusion loading electrical current geometry electric material immune cells k.p.h.300 nanometer polymer brushes electronic signal image processing $0.00 nanometers electrostatics fiction literature values megahertz wave molecular biology electronic device d.v.r. stacks deep u.v.unique mechanical properties physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering mechanics mechanical system silicon wafer incubation time crystals metaphysics caption complete documents sandwich structure atomic layer deposition diffraction grating potential inside talks acoustic wave gold electrodes mediasite electromagnetism photonics side wall diffraction walls pattern protein $25.00 k.p.h.photo resist behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 15th, 2019 3 plays
13:10 2016 REU Betty Hu CNF & PARADIM REU… 2016 REU Betty Hu CNF & PARADIM REU Convocation	2016 REU Betty Hu CNF & PARADIM REU Convocation renting interesting properties chemical properties high temperature interesting applications concepts in physics side walls chemical elements superhard materials 2nd design electron microscopy fold symmetry generation devices exposure time electricity metallurgy thermodynamics reducing agents pyrotechnic fuels nice square lot materials science hall bars super lot grain structures dimensional material magnetic field electron nanomaterials fact data 1st thing scattered electrons precursor flow $4.00 system large scale oriented dot orientation disorder charge carriers microscopy group microscopy atomic lot elementary geometry scale image electronic devices fourfold symmetry titanium platinum 1st presenter 210 kelvin selenium atoms design measurement dry edge crystallography ray diffraction particle physics banking $210.00 kelvin w.c.reu cnf c.n.n.vast majority scanning transmission electron charge carrier coefficient emerging technologies model layer magnetism ratios grain boundaries lattice orientation topology american rock music groups electrical transport measurements geometry graphic orientation transition lined dots electrical transport misaligned dots alpha psi mineralogy semiconductors magnetic property microscopes future work thin film hard drive hexagonal lattice resolution image transition metals hall fact arts rural community development temperature color composite image growth process white circle nitrides photographic processes quantum mechanics charge care business law inorganic silicon compounds transition metal electromagnetism quantum dot accountancy direction professor david $45.00 degrees previous film t.c.m.grain orientation transmission electron microscopy physical quantities silicon nitride condensed matter physics circle represents density functional theory confounding variables magnetostatics highly misaligned call fact crystal structure atomic lattice false color composite silicon wafer nano wire good agreement metals p.c.b.sample dislocation behavior mathematical terminology caption complete graphics file formats electronic properties baseline measurement economics terminology darkfield transmission electron dimensional system hexagon system chrome gold flower design quantum electronics atomic resolution super lattice single material algebra kelvin state functions local super lattice mismatch green boundaries silicon nitrate mediasite fabrication structure architectural design aesthetics aspect ratio $210.00 calvin voltage drop contact photo resist From James Overhiser on February 12th, 2019 17 plays
16:19 2016 REU Maya Martirossyan PARADIM REU… 2016 REU Maya Martirossyan PARADIM REU Convocation	2016 REU Maya Martirossyan PARADIM REU Convocation renting interesting properties high temperature interesting applications concepts in physics side walls chemical elements flower pattern superhard materials thickness 2nd design electron microscopy difference generation devices exposure time electricity mineralogy transparent metallurgy functional groups pyrotechnic fuels materials science super lot grain structures dimensional material magnetic field electron nanomaterials fact data 1st thing scattered electrons precursor flow $4.00 system large scale hexagon system post-recession charge carriers microscopy group microscopy atomic lot banking scale image cognition fourfold symmetry optics l.f. percentage titanium platinum 1st presenter philosophical terminology 210 kelvin selenium atoms design measurement crystallography ray diffraction particle physics curing agents $210.00 kelvin chemical properties reu cnf vast majority semiconductor scanning transmission electron charge carrier emerging technologies model layer statistical terminology deposition ratios grain boundaries lattice orientation color composite image geometry graphic orientation lined dots electrical transport misaligned dots alpha psi characterization semiconductors magnetic property microscopes future work thin film hexagonal lattice resolution image transition metals quantum mechanics tools hall fact arts rural community development natural philosophy growth process white circle question photographic processes fiction charge care inorganic silicon compounds transition metal percentage electromagnetism quantum dot accountancy professor david $45.00 degrees magnetism previous film p.c.t. tool silicon nitrite grain orientation transmission electron microscopy physical quantities silicon nitride condensed matter physics circle represents semiconductor device fabrication rectangular confounding variables p.c.t.magnetostatics highly misaligned layer call fact crystal structure atomic lattice false color composite silicon wafer nano wire metals characterize dislocation behavior nitrides metaphysics caption complete l.f.electronic properties quantum electronics darkfield transmission electron dimensional system chrome gold flower design semiconductor materials atomic resolution super lattice single material local super lattice mismatch green boundaries mediasite fabrication business law architectural design aesthetics manufacturing aspect ratio $210.00 calvin voltage drop photo resist From James Overhiser on February 12th, 2019 12 plays
12:13 Ceser Lema 2018 Ceser Lema 2018	Ceser Lema 2018 electronics terminology communication concepts in physics metals literature industrial processes transition metals manipulate caption complete semiconductor absorption layered materials nucleation experiment scientific terminology schematic infographics transition metal parameter continuity semiconductor industry interactions material high quality inch wafers chemistry monolayer team semiconductor device fabrication precursor 1st place monolayer phases of matter t.m.t.statistical terminology interesting property correct materials flow rates From Rebecca Vliet on February 5th, 2019 0 plays
17:50 CNF Video Tour DVD CNF Video Tour DVD	CNF Video Tour DVD systems science accelerometers electronic engineering materials cornell fabrication structure ecology concepts in physics biology and pharmacology of chemical elements eye charge carriers nanometer resolution nanostructure researchers electrical engineering industry graphic design philosophical terminology elementary geometry art media animal anatomy design multinational companies electronics terminology non-impact printing systems theory materials science metaphysics environmental science laboratory ontology microscopes substrate human head and neck semiconductor device fabrication artistic techniques c.n.n.particulates smaller nanotechnology facility creativity photography computer-aided design community lithography (microfabrication)technology application electromagnetic spectrum millimeter measuring instruments chemical elements hematology construction lithography process historical scientific instruments caption complete physical chemistry cleaning photographic glass printmaking communication engineering packaging materials business terms From David Botsch on June 26th, 2018 10 plays
49:47 CAM Colloquium, 2016-01-29 - David Bindel:… CAM Colloquium, 2016-01-29 - David Bindel: Nonlinear Eigenvalue Problems: Theory and Applications	CAM Colloquium, 2016-01-29 - David Bindel: Nonlinear Eigenvalue Problems: Theory and Applications integer sequences systems science differential calculus computing terminology broadcasting elementary algebra boundary cam nasa space probes functional analysis problem solving aesthetics construction mathematical analysis logical consequence emotion theology numerical analysis spectral theory function climate change organizations personal life t.v.equation structure motivation reasoning philosophy of mathematics time series analysis conic sections data management chemical processes operator theory number coatings mass human behavior greek alphabet computer programming acoustics set theory ordinary differential equations law buy problem approximation ring theory semiconductor device fabrication infinity applied mathematics differential control theory concepts in physics higher dimensional numerical linear algebra food ingredients elementary geometry characteristic analytic functions tensors elementary mathematics formal sciences arithmetic engineering philosophy dynamical systems communication eigenvalue philosophical terminology mathematical concepts good times abstract algebra singular value decomposition differential equations hardware (mechanical)statistical terminology linear operators in calculus special functions signal processing component david bindel plants problem complex analysis caption complete mechanical vibrations architectural design condition plant morphology geometric measurement region mechanical engineering operator behavior functions and mappings exponentials classical mechanics meromorphic functions order system philosophical logic morality matrix inverse functions cornell types of functions determinants islam substrate telecommunications bit easier scientific terminology thing computational complexity theory mechanics linear algebra grammar cognitive science mathematical objects fiction topology industrial processes approximate psychology algebraic number theory vowel letters measurement inside transformation systems theory information science algebraic topology matrix theory elementary special functions polynomials algebraic varieties integral calculus algebra From E. Cornelius on June 27th, 2017 2 plays
16:30 CNF NanoCourses 2004 – Section 3.3:… CNF NanoCourses 2004 – Section 3.3: Evaporation (Michael S	CNF NanoCourses 2004 – Section 3.3: Evaporation (Michael S charge carriers earth metallurgy source concepts in physics materials temperature plasma processing vacuum electrodes dietary minerals physical objects industrial processes semiconductor device fabrication hydraulics laboratory equipment crystallography chemical engineering properties thin films electrical conductors phases of matter coatings information science atmospheric thermodynamics concentrate phase transitions mechanisms reducing agents requirements contamination chemical processes dielectrics evaporation heat transfer science experiments analytical chemistry biology and pharmacology of chemical elements pyrotechnic fuels liquids separation processes transition metals mechanical vibrations discussion sample caption complete packaging materials deposition materials science geometry surface electron sedimentology frequency evaporators surfaces electricity meteorology thin film deposition management chemical properties classical mechanics nonmetals physical chemistry contaminant library science monitor rate monitor mechanical engineering research energy pressure glass engineering and science solvents topology social psychology glass vapor pressure fluid dynamics solutions geological processes application thermodynamics material metals From David Botsch on January 20th, 2012 97 plays
21:00 CNF NanoCourses 2004 – Section 3.2: Thin… CNF NanoCourses 2004 – Section 3.2: Thin Film Properties,	CNF NanoCourses 2004 – Section 3.2: Thin Film Properties, deposition vacuum influence mechanics physical objects elasticity (physics)iarc group 1 carcinogens nonmetals electron cross-sectional heat transfer granular materials cubic minerals natural resources crystallography material semiconductors surface world health organization essential medicines food colorings coatings volume industry pressure mineralogy dietary minerals topology state functions electricity fluid dynamics vapor deposition solutions electrical engineering surface energy fluid mechanics building materials structure molecules condensed matter physics phase transitions semiconductor device fabrication atmospheric thermodynamics pyrotechnic fuels techniques temperature chemical elements transition metals metal plating atom pair electromigration property materials science environmental economics industrial processes toxicology chemical reactivity glass surfaces chemical properties low surface thermodynamics substrate oxides migration physical chemistry metals metallurgy matter metalloids excipients hydrides concepts in physics weather solvents energy chemical bonding classical mechanics reducing agents systems theory basic meteorological concepts and phenomena grain sensory system ions solid mechanics semiconductor materials technology green growth crystals chlorides silicon thin film deposition materials degradation phases of matter home appliances electrical conductors refractory materials liquids separation processes charge carriers chemistry From David Botsch on January 20th, 2012 51 plays