Search for tag: "metallurgy"

John Mitchell Paradim User Meeting 2019

MRS Conference 2019, Boston, MA Dec 4, 2019

atmospherenational association of independent colleges and universities memberscritical pointpopper structureshigh temperatureconcepts in physicschemical elementswide rangesolutionsharvard universitypreferentially dissolvedelectron microscopyworld health organization essential medicinesinterestingmetallurgydegreesdark region surroundingmaterials sciencesuccess storyface diagramoxide m.b.e.oxidessize scalegreat bigcrystal graphicdiffraction patterninsulator transitioncrystal growthphases of mattercooking techniquesstatistical terminologyremote app taxiclubs and societiesweekly cuprare earthmetric compoundfresh samplebreaking vacuumcrystallographyagriculturetransportindustrial processeschemical propertiesgranular materialsbiology and pharmacology of chemical elementshigher temperature3000 oxideparadigm facilityelectronic structurepublic financesample samplenicolete super lotchemical processesjulia talkedchloridespressuretransitionhard worktransport datahigh qualityinfinite layersuper lot asussquare planar structureoxygen strike yamaanionsneodymium oxidehigh pressureremote abstractlytemperaturem.b.e. growthdouble planecoherent orderingchartsparadigm user facilitydiagramsphase transitionslayer compoundsimple storyanimal crystalcopy interface1st timecommon oxide glass componentscondensed matter physicslanthanumoxide m.b.e. facilityparadigm scientistintel actualcrystalbody centerhigh concentrationstrike yama treeaestheticsanalytical chemistryray spectroscopyincreased amountnarrow windowcrystal lightcrystalscaption completeelectronic propertiesray diffractionapplication layer protocolscrystal aidssodium chloridepreservativesadvanced light sourcecompositionsuper latticedevelopmentgreat opportunitymetal insulator transitiongrow crystalscentral darkbig crystalsingle crystalgraduate studentchemistrylow temperaturedimensional crystalapp taxiparadigmdimension
From  James Overhiser on January 6th, 2020 5 plays

Julia Mundy Paradim User Meeting 2019

MRS Conference 2019, Boston, MA Dec 4, 2019

national association of independent colleges and universities memberscritical pointpopper structureshigh temperatureconcepts in physicschemical elementswide rangesolutionsharvard universityscatteringpreferentially dissolvedelectron microscopyworld health organization essential medicineshigh pressurereducing agentsdark region surroundingmaterials sciencenuclear physicssuccess storyface diagramoxide m.b.e.oxidessize scalegreat bigcompoundoxygendiffraction patterninsulator transitioncrystal growthphases of mattercooking techniquessuper latticeremote app taxiweekly cuprare earthmetric compoundfresh samplebreaking vacuumcrystallographyagricultureoxidizing agentsnicolete superuser facilityindustrial processeschemical propertiesgranular materialsbiology and pharmacology of chemical elementsspintronicscrystal graphic3000 oxideparadigm facilityelectronic structurepublic financesample samplenicolete super lothigher temperaturebuilding materialsjulia talkedchlorideshard worktransport datahigh qualityinfinite layersuper lot asussquare planar structurescientific techniquesoxygen strike yamaanionsundergraduateneodymium oxidemetallurgyremote abstractlytemperaturem.b.e. growthdouble planecoherent orderingnonmetalschartsfictionparadigm user facilitydiagramsphase transitionslayer compoundsimple storyanimal crystalcopy interface1st timecommon oxide glass componentscondensed matter physicsoxide m.b.e. facilityparadigm scientistintel actualbody centerspectroscopyhigh concentrationstrike yama treeaestheticsmeasurementanalytical chemistryray spectroscopyincreased amountnarrow windowcrystal lightcrystalscaption completeelectronic propertiesray diffractionapplication layer protocolscrystal aidssodium chloridepreservativesadvanced light sourceneutrondevelopmentsuperconductivitygreat opportunitygrow crystalscentral darkbig crystalsingle crystalgraduate studentlow temperaturedimensional crystalapp taxi
From  James Overhiser on January 6th, 2020 5 plays

Jian Shi Paradim User Meeting 2019

MRS Conference 2019, Boston, MA Dec 4 19 01 HB 1080

national association of independent colleges and universities memberscritical pointpopper structureshigh temperaturedynamicdistortionwide rangesolutionsharvard universitypreferentially dissolvedelectron microscopyworld health organization essential medicinesmineralogyhigh pressurelocationmaterials sciencesuccess storyconcepts in physicsphotographyface diagramoxide m.b.e.oxidessize scalegreat bigcrystal graphicdifferencedimensionalsubstratediffraction patterninsulator transitioncrystal growthphases of mattercooking techniquesremote app taxigranular materialsdevelopmentweekly cuprare earthmetric compoundfresh samplebreaking vacuumcrystallographyagricultureprocedural programming languagesindustrial processeschemical propertiesresearchnucleationexperimentdark region surroundinghigher temperaturegeography3000 oxideparadigm facilitycall datahigh qualitysample samplenicolete super lotinterfacearticleinteractionjulia talkedchloridessimulationtransport datainfinite layerchildhoodcentral darksuper lot asussquare planar structurecommunicationoxygen strike yamaanionsdislocationresearch methodsmetallurgyremote abstractlym.b.e. growthdouble planecoherent orderingquestionchartsparadigm user facilitydiagramsphase transitionslayer compoundsimple storyanimal crystalmismatch1st timecommon oxide glass componentscondensed matter physicsoxide m.b.e. facilityparadigm scientistintel actualdescriptorbody centeroperations researchhigh concentrationstrike yama treeaestheticsanalytical chemistryray spectroscopyincreased amountnarrow windowcrystal lightcrystalshard workcaption completeelectronic propertiescopy interfaceray diffractionapplication layer protocolscrystal aidssodium chlorideapplicationadvanced light sourcesuper latticeneodymium oxidepublic financegreat opportunitypreservativesgrow crystalselectronic structurestudentbig crystalsingle crystalgraduate studentlow temperaturedimensional crystalthoughtapp taxiparadigm
From  James Overhiser on January 6th, 2020 14 plays

Introduction to Paradim User Meeting 2019 Schlom

MRS Conference 2019, Boston, MA Dec 4, 2019

national association of independent colleges and universities memberscritical pointpopper structureshigh temperatureconcepts in physicswide rangesolutionsharvard universitypreferentially dissolvedelectron microscopyworld health organization essential medicinesfatherhigh pressureplatformmaterials sciencesuccess storyassistantface diagramoxide m.b.e.oxidessize scalegreat bigcrystal graphicbiggerdiffraction patterninsulator transitionproposalscrystal growthphases of mattercooking techniquesincludingremote app taxigranular materialsweekly cuprare earthmetric compoundfresh samplebreaking vacuumcrystallographyagricultureaccomplishnetworkindustrial processeschemical propertiesaudiencecurrentdark region surroundinghigher temperature3000 oxidepublicparadigm facilityelectronic structurehigh qualitysample samplenicolete super lotjulia talkedchlorideshousesmonthshard workcredittransport datainfinite layersuper lot asussquare planar structurecomingperiodoxygen strike yamaanionsspanishneodymium oxidemetallurgyremote abstractlym.b.e. growthdouble planecoherent orderingchartsparadigm user facilityminaretdiagramsphase transitionslayer compoundsimple storyanimal crystalcopy interface1st timecommon oxide glass componentscondensed matter physicsoxide m.b.e. facilityparadigm scientistintel actualbody centerhigh concentrationstrike yama treeaestheticsanalytical chemistryray spectroscopyincreased amountnarrow windowcrystal lightcrystalscaption completeelectronic propertiesray diffractionformatapplication layer protocolsc.b.c.crystal aidssodium chloridepreservativesadvanced light sourcesuper latticedevelopmentuserspublic financegreat opportunitydirectorgrow crystalscentral darkbig crystalsingle crystalamericagraduate studentlow temperaturedimensional crystalcourageapp taxi
From  James Overhiser on January 6th, 2020 5 plays

Nuts and Bolts of Oxide MBE #1 (Schlom)

2019 Cornell Summer School LINK to presentation slides

former components of the dow jones industrial averagenonmetalsminimum temperaturehigh temperaturelow vapor pressurea.t.m.chemical elementsnitrogencommon oxide glass componentsfood coloringsfully electronicvideo camerarunaway reactionmagnesium oxideliquid leadstainless steelinorganic compoundsmetallurgythermodynamicsreducing agentsm.b.e.phases existpyrotechnic fuelsarsenide surfacematerials sciencesubstrate temperaturesolid solution1st principlesface diagramoxidescoolantsiron oxide1st thingsurface chemistrygelsoxygenelementary geometryphases of mattertitanium spheresuper latticediffusion linkopium oxidefully automatedphase diagrambulk diffusionthermodynamic datachemical mixturesstatistical mechanicsenergygas cabinetoptical materialsliquid nitrogeniii-v compoundstransition metalssurfaceshollow sphereoxygen moleculargroup ratecell biologyozone compatiblecameraschemical propertiespipingunion carbidebiology and pharmacology of chemical elementskinetic theoryhigher temperaturebarium oxideelectron beamreference bookelementary shapesgrowth modepressurevapor pressurelow surface energycoop ratesthermal massbuilding materialsgallium arsenide exposednatural resources100 degrees2000 degreesfree pathwater cooledhigh vapor pressureellingham diagramsingle crystalsmaking coopermineralogysurface diffusionr.c.a. laboratoriesecologygallium arsenideprops guyenvironmenthigh surface energyoxidize thinggasesantacidscrucible problemm.b.e. growntopologydiagramsphase transitionsm.b.read oscillationsr.c.a.diffusion lengthface separatingchemical engineeringsafety committeerefractory materialssteelphysical quantitieshigher surface energydepends exponentiallyequilibrium chemistryfree energysilica gelnice smoothcooking techniquesanalytic geometrytungsten filamentlower temperaturecrazy oxideaction contentanalytical chemistrymetalssmooth filmcaption completeozone generatorgood thinggood cruciblealuminum arsenideperiodic tablemeteorologyoxidizing agentslaboratory equipmentsemiconductor materialsarsenidesgrowth ratediffusion coefficienthigher surfaceenergetic specieshydraulicsaction pressureoxygen pressureiarc group 1 carcinogensalkaline earth metalssurface energydiffusionfusion cellzinc oxidelow temperaturegood choice1000 timesreciprocal temperaturemolecular beamsplumbingsafety issuesnice purevalves
From  James Overhiser on August 7th, 2019 100 plays

Nuts and Bolts of Oxide MBE #2—Composition Control and Calibration (Schlom)

2019 Cornell Summer School LINK to presentation slides

high temperatureconcepts in physicschemical elementssingle phase galliummodel aircompound semiconductorsozone pressurelattice constantsmall substratemetallurgythermodynamicsreducing agentsm.b.e.pyrotechnic fuelsmaterials scienceoxidescoolantstitanium ratiolead oxidepoint defecttitanium oxideyear opiumoxygencrazy materialphases of matterand air conditioningopium oxidephase diagramsingle phase regionindustrial processestransmission patterntitanium ridgecrystallographycomposition controllead tighteningcubic zirconiabiggest challengeinternettemperature uniformity1st oxide1st tastetransition metalsvapor pressurearsenic pressureneutral formula unitheatingopium metalgrowth windowsemiconductorsnucleate solidanionsgallium arsenidecharge neutral formulasemiconductor growthgasesrough mapsingle phasediagramsphase transitionsr.b.s.volatile speciesread oscillationsgallium separatechemical engineeringeuphoriantsvolatile constituentdiffraction spotphysical quantitieshalf ordermedicinal plantsface peerfree energylower temperatureopium shuttermetal organictypical arsenic sourceabsolute fluxperfectly stoichiometricmetalscrystalsbig substrateabsorption control workssmallest chargetimes pointpost-transition metalsmaking single phasesingle crystalstrontium typeoxidizing agentsphase regioncalibration methodventilatingbismuth tightknitcaption completeoscillations stay nicegrowth ratetitanium speciesbeat frequencydot dot dotphase gallium arsenidecontrol regimeoxygen pressureblah blahalkaline earth metalsm.b.hand stepvolatile oxidevolatile metal organicbismuth oxideenvironmental chemistryabsorption controlrelative ratio
From  James Overhiser on August 7th, 2019 53 plays

2016 REU Cameron Ruhl CNF & PARADIM REU Convocation

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementsquestionsfilename extensions2nd designelectron microscopygeneration devicesexposure timeelectricityinterestingsystems theorymetallurgypermanentpyrotechnic fuelsmagneticmaterials sciencesuper lotgrain structuresdimensional materialmagnetic fieldoxideselectronnanomaterialsfact data1st thingmatrix theoryscattered electronsprecursor flow$4.00 systemlarge scalehexagon systemcharge carriersmicroscopy groupmicroscopyatomic lotbankingscale imagefourfold symmetrytitanium platinumdetermine1st presenter210 kelvinselenium atomsdesignmeasurementcrystallographyray diffractionparticle physicshuman communication$210.00 kelvinchemical propertiesreucurrentexperimentvast majorityscanning transmission electroncharge carrieremerging technologiesmodel layerenvironmental scienceoxidationagreementmagnetismcomplicatedratiosgrain boundarieslattice orientationpropertiesgraphic orientationlined dotselectrical transportsuperhard materialsthingmisaligned dotsmagnetostaticsalpha psisymmetrymineralogysemiconductorsmagnetic propertyphotographic processesmicroscopesfuture workthin filmhard driveanionshexagonal latticeresolution imagetransition metalshall factartsrural community developmenttemperaturecolor composite imagegrowth processwhite circlesystemquantum mechanicscharge carebusiness lawinorganic silicon compoundstransition metalmolecularquantum dotaccountancyprofessor david$45.00 degreesprevious filmgrain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representsconfounding variablesmechanicshighly misalignedcall factcrystal structureatomic latticefalse color compositesilicon wafernano wiremetalsdislocation behaviorelectromagnetismnitridescaption completeelectronic propertiesquantum electronicsdarkfield transmission electrondimensional systemchrome goldflower designpotentialatomic resolutionparametersuper latticesingle materialalgebralocal superlattice mismatchscandiumgreen boundariescnfmediasiteaspect ratiostructurearchitectural designaestheticsdiffraction$210.00 calvincarbidesvoltage dropmaterialsphoto resist
From  James Overhiser on February 13th, 2019 14 plays

2016 REU Mark Marsalis CNF & PARADIM REU Convocation

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementssuperhard materials2nd designgeographyelectron microscopygeneration devicesexposure timeelectricitymetallurgyfraction patternpyrotechnic fuelsjudicial remediesmaterials sciencejunctionsuper lotgrain structuresdimensional materialmaterialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemlarge scaleelectronic devicescharge carriersmicroscopy groupmicroscopyatomic lotbankingscale imagecognitionfourfold symmetrytitanium platinumresearch methods1st presenter210 kelvinhexagonal latticedesignmeasurementcrystallographyray diffractionparticle physics$210.00 kelvinchemical propertiesreucnfbiology and pharmacology of chemical elementsvast majorityscanning transmission electroncharge carrieremerging technologiesmodel layermagnetismratiosgrain boundarieslattice orientationcollaboratorsgraphic orientationlined dotselectrical transportmisaligned dotsalpha psimineralogycolorsemiconductorsmagnetic propertymicroscopesfuture workthin filmselenium atomsresolution imagetransition metalshall factartsstatisticscolor composite imagegrowth processwhite circlephotographic processesquantum mechanicscharge careinorganic silicon compoundsmohan professor davidtransition metalcomic resolution imageelectromagnetismquantum dotaccountancyprofessor david$45.00 degreesprevious filmgrain orientationtransmission electron microscopyquantum phasesphysical quantitiessilicon nitridecondensed matter physicscircle representsconfounding variablesdislocationmagnetostaticshighly misalignedcall factcrystal structureatomic latticefalse color compositesilicon wafernano wiremetalsdislocation behaviornitridescaption completeelectronic propertiesquantum electronicsrural community developmentdarkfield transmission electronchristian saints from the old testamentdimensional systemhexagon systemchrome goldflower designatomic resolutionscientific methodsuper latticesingle materialmediasitelocal superlattice mismatchgreen boundariesdataaspect ratiobusiness lawarchitectural designaestheticslight$210.00 calvinvoltage dropphoto resist
From  James Overhiser on February 13th, 2019 15 plays

2016 REU Arthur McCray CNF & PARADIM REU Convocation 2016

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallsoriented dotschemical elementssuperhard materials2nd designelectron microscopygeneration devicesexposure timeelectricitymetallurgypyrotechnic fuelsmaterials sciencesuper lotgrain structuresdimensional materialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemgeography terminologylarge scalehexagon systemcharge carriersmicroscopy groupmicroscopyatomic lotbankingpolitical philosophyfourfold symmetrytitanium platinum1st presenter210 kelvinselenium atomsdesignmeasurementcrystallographyray diffractionparticle physicsprocedural programming languagesscattering$210.00 kelvinchemical propertiesscale imagereucnfvast majorityscanning transmission electroncharge carrieremerging technologiesmodel layermagnetismratiosgrain boundariesrural community developmentindividualismgraphic orientationlined dotselectrical transportmisaligned dotsalpha psimineralogysemiconductorsmagnetic propertymicroscopesfuture workthin filmhexagonal latticeresolution imagetransition metalshall factartslattice orientationcolor composite imagegrowth processwhite circlephotographic processesquantum mechanicscharge careinorganic silicon compoundstransition metalelectromagnetismquantum dotaccountancyprofessor david$45.00 degreesprevious filmgrain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representsconfounding variablesmagnetostaticshighly misalignedcall factcrystal structureorientationatomic latticefalse color compositesilicon wafernano wiremetalsdislocation behaviornitridescaption completecomputer graphicselectronic propertiesquantum electronicsdarkfield transmission electrondimensional systemchrome goldflower designatomic resolutionscientific methodsuper latticesingle materiallocal superlattice mismatchgreen boundariesmediasiteaspect ratiobusiness lawarchitectural designaesthetics$210.00 calvinvoltage dropphoto resist
From  James Overhiser on February 13th, 2019 12 plays

2016 REU Betty Hu CNF & PARADIM REU Convocation

rentinginteresting propertieschemical propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementssuperhard materials2nd designelectron microscopyfold symmetrygeneration devicesexposure timeelectricitymetallurgythermodynamicsreducing agentspyrotechnic fuelsnice square lotmaterials sciencehall barssuper lotgrain structuresdimensional materialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemlarge scaleoriented dotorientation disordercharge carriersmicroscopy groupmicroscopyatomic lotelementary geometryscale imageelectronic devicesfourfold symmetrytitanium platinum1st presenter210 kelvinselenium atomsdesignmeasurementdry edgecrystallographyray diffractionparticle physicsbanking$210.00 kelvinw.c.reucnfc.n.n.vast majorityscanning transmission electroncharge carriercoefficientemerging technologiesmodel layermagnetismratiosgrain boundarieslattice orientationtopologyamerican rock music groupselectrical transport measurementsgeometrygraphic orientationtransitionlined dotselectrical transportmisaligned dotsalpha psimineralogysemiconductorsmagnetic propertymicroscopesfuture workthin filmhard drivehexagonal latticeresolution imagetransition metalshall factartsrural community developmenttemperaturecolor composite imagegrowth processwhite circlenitridesphotographic processesquantum mechanicscharge carebusiness lawinorganic silicon compoundstransition metalelectromagnetismquantum dotaccountancydirectionprofessor david$45.00 degreesprevious filmt.c.m.grain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representsdensity functional theoryconfounding variablesmagnetostaticshighly misalignedcall factcrystal structureatomic latticefalse color compositesilicon wafernano wiregood agreementmetalsp.c.b.sampledislocation behaviormathematical terminologycaption completegraphics file formatselectronic propertiesbaseline measurementeconomics terminologydarkfield transmission electrondimensional systemhexagon systemchrome goldflower designquantum electronicsatomic resolutionsuper latticesingle materialalgebrakelvinstate functionslocal superlattice mismatchgreen boundariessilicon nitratemediasitefabricationstructurearchitectural designaestheticsaspect ratio$210.00 calvinvoltage dropcontactphoto resist
From  James Overhiser on February 12th, 2019 23 plays

2016 REU Maya Martirossyan PARADIM REU Convocation

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementsflower patternsuperhard materialsthickness2nd designelectron microscopydifferencegeneration devicesexposure timeelectricitymineralogytransparentmetallurgyfunctional groupspyrotechnic fuelsmaterials sciencesuper lotgrain structuresdimensional materialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemlarge scalehexagon systempost-recessioncharge carriersmicroscopy groupmicroscopyatomic lotbankingscale imagecognitionfourfold symmetryopticsl.f. percentagetitanium platinum1st presenterphilosophical terminology210 kelvinselenium atomsdesignmeasurementcrystallographyray diffractionparticle physicscuring agents$210.00 kelvinchemical propertiesreucnfvast majoritysemiconductorscanning transmission electroncharge carrieremerging technologiesmodel layerstatistical terminologydepositionratiosgrain boundarieslattice orientationcolor composite imagegeometrygraphic orientationlined dotselectrical transportmisaligned dotsalpha psicharacterizationsemiconductorsmagnetic propertymicroscopesfuture workthin filmhexagonal latticeresolution imagetransition metalsquantum mechanicstoolshall factartsrural community developmentnatural philosophygrowth processwhite circlequestionphotographic processesfictioncharge careinorganic silicon compoundstransition metalpercentageelectromagnetismquantum dotaccountancyprofessor david$45.00 degreesmagnetismprevious filmp.c.t. toolsilicon nitritegrain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representssemiconductor device fabricationrectangularconfounding variablesp.c.t.magnetostaticshighly misalignedlayercall factcrystal structureatomic latticefalse color compositesilicon wafernano wiremetalscharacterizedislocation behaviornitridesmetaphysicscaption completel.f.electronic propertiesquantum electronicsdarkfield transmission electrondimensional systemchrome goldflower designsemiconductor materialsatomic resolutionsuper latticesingle materiallocal superlattice mismatchgreen boundariesmediasitefabricationbusiness lawarchitectural designaestheticsmanufacturingaspect ratio$210.00 calvinvoltage dropphoto resist
From  James Overhiser on February 12th, 2019 22 plays

PARADIM JHU Data Meeting

computer dataformal sciencespsychometricsservers (computing)chemical elementsnetworksxmltechnical communicationbig datad.f.t.writingmetallurgyreducing agentscommunicationdrug discoveryinternet culturematerials sciencedata modelingbuilding engineeringcomputing terminologys.f.interoperabilitycomputer file formatsa.p.i.scientific methoddata extractiondata setsdata warehousingmicro structurenistproblem solvingdata serialization formatspython (programming language)models of computationcrystallographyparticle physicsmedical terminologymilitary tacticschemical propertiesresearchp.r.good thingsmedicinejapanese-language singersstatistical charts and diagramsdata analysisdatabase theoryf.t.statistical terminologyvisualization (graphic)database management systemscernmethodologydata expertr.p.i.negotiationmineralogyscientific techniquesmicroscopescyberneticsn.s.f.learningdata miningimage processingstatisticsfictionhuman intensiveinformation scienceaccelerator physicspython softwareartificial intelligencedata pointsknowledge representationmetalsdata collectioncondensed matter physicsfuturologymachine learningjupiter notebooksdata managementtheoretical computer sciencestatistical data typesprocessinginternet slangx.m.l.sashofcomputer graphicshumanitiesapplication layer protocolscomputer visioncomputer sciencemusical quintetsmitsouth korean boy bandsdesign of experimentsliteraturemetal modelbioinformaticst.m.dataapplication programming interfacescooperativeswindows-only free softwaredwb7p.i.computer programmingmarkup languagescouple thingsdatabasesintegrated development environments
From  David Botsch on November 25th, 2018 31 plays