Inventions and Discoveries in Physics and Chemistry

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    Important Inventions and discoveries

    Inventions and discoveries in Physics and Chemistry

    AndersonDiscovered positive electrons.

    ArchimedesDiscovery of the Principles of lever and of specific gravity; invention of

    the famous Archimedean screw.

    AvogadroAn Italian scientist known for Avogadros Hypothesis.

    ac!uerel"adio#activity of uranium.

    aird$elevision.

    aron %apier&ogarithms.

    en'amin (ranklinInvented lightning conductor.

    essemer)teel smelting process.ha*ha+ Dr H.,."esearch in -osmic rays and uantum theory.

    inetIntelligence $est.

    ir*al )ahni"esearches in otany.

    ose+ ,.-.Invented -rescograph and pu*lished many works on plant physiology. He

    discovered that plants have sense and perception.

    ose+ ).%.Discovery of a group of nuclear particles named after him /oson0.

    oyleoyles law; Pressure 1 volume 2 constant at a constant given temperature.

    oyle was the greatest scientist of 3ngland in his time.

    ohr3lectron $heoryAtomic structure.

    raun+ Dr 4ernher vonspace flying.

    unsenInvention of the spectroscope.

    -arothers%ylon plastics.

    -avendishDiscovery of chemical composition of water; discovery of hydrogen

    5Inflamma*le Air6; 7rare gases.

    -hadwickDiscovery of the neutron.

    -handrasekhar8athematical Astrophysics.

    -harles Darwin$heory of 3volution; 9rigin of )pecies.

    -larke+ Arthur -.-oncept of :eostationary 9r*it.

    -urie+ 8adameDiscovery of radium.

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    DaltonAtomic theory; laws of chemical com*ination; law of partial pressures; the law

    of multiple proportions.

    Democritus:reek philosopher5Atomic theory6.

    DewarInvented cordite+ li!uid o1ygen and introduced thermos flask.

    3instein$heory of relativity.

    3uclid)cience of geometry.

    (ahrenheit(ahrenheit mercury thermometric scale in which freeing point is ? and

    *oiling point is >@>?.

    (araday3lectromagnetic induction and laws of electrolysis.

    (ermiDiscovered artificial splitting of atoms.

    (reudDoctrine of Psycho#analysis.

    :ay &ussac&aw of gases.

    :auss)ystem of a*solute electric measurements.

    :ood earDiscovered the art of vulcanising ru**er.

    Herschel+ 4illiamDiscovered the PlanetBranus.

    Hert3lectrical waves.

    Hippalus(ounder of scientific astronomy.

    HoffmannDiscovered the first aniline dye.

    Celvin+ &ordDynamical theory of heat.

    Chorana+ Dr Hargo*indDeciphering the genetic code.

    Codak(ilm and photographic goods.

    &a*lanc8anufacture of washing soda.

    &awrenceInvention of cyclotron.

    &ockyerHelium gas.

    &ouis raillePerfected his system of reading and writing for the *lind.

    8arconi4ireless telegraphy; radio.

    8aria#8ontessori78ontessori method of teaching children.

    8a1well3lectro#magnetic $heory of &ight.

    8eghnad )aha3ffect of pressure on "adiation through *odies.

    8endel&aws of heredity.

    8andeleevPeriodic $a*le.

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    8orse8orse system of electric telegraphy.

    %ewton&aws of gravitation; &aw of 8otion.

    %o*elDynamite.

    9liver &odgePhysicist. "esearches in wireless communications.

    9ppenheimer"esearches in atomic theory.

    9tto HahnDiscovery of uranium fission.

    Parkes-elluloid.

    Parsons)team tur*ine.

    Pavlov$heory of -onditioned "efle1.

    Perkin78auve dye.

    Pitman(ounded the Pitman system of phonographic shorthand.

    Planckuantum theory.

    PlimsollIntroduced a line of demarcation on the ships *eyond which the ships cannot

    *e loaded.

    PriestleyDiscovery of 91ygen.

    "aman+ -../"aman 3ffect0 on polarisation of light and theories on crystals and

    diamond formation.

    "amanathan8olecular scattering of light in fluids.

    "amanu'amA great Indian mathematician.

    "amsayDiscovery of Inert gases such as Argon+ %eon+ Helium etc.

    "ay+ P.-."esearches in chemistry.

    "egnault31periments in regard to the physical properties of *odies and their relation to

    heat.

    "oger acon:un powder.

    "ontgenDiscovery of E#rays.

    "ohmkorffInduction coil.

    "utherfordAtomic "esearch; succeeded in splitting the atom for the first time in @F@G.

    )halimarPaints.

    )tephensonritish engineer and pioneer in "ailways. He was the first to put a

    locomotive on the line that was a*le to draw a train of =@ carriages.

    $homson+ ,.,.Discovered electron.

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    $raversDiscovery of %eon gas 54orking with "amsay6.

    BreyDiscovery of Heavy Hydrogen.

    olta-urrent electricity and electric *attery.

    Pioneers in Mechanical Inventions and Discoveries

    Austin8otor -ar.

    ell+ :raham$elephone.

    erliner8icrophone.

    re!uetHelicopter.

    ushwell)u*marine.

    -a1tonPrinting Press.

    -olt"evolver.

    Daimler:as engine.

    Davy8iners )afety &amp.

    DieselInternal -om*ustion engine 5Diesel engine6.

    DunlopPneumatic tyre.

    3dison(irst electric *ul* and gramophone.

    (aradayDynamo.(ick&aw of Diffusion(icks &aw.

    (rank 4hittle,et propulsion.

    (ulton)tream *oat.

    :alileo$elescope.

    :illette)afety raor.

    :utten*urgArt of Printing.

    Hoe"otary Printing Press.

    Howe)ewing 8achine.

    HuygensPendulum clock.

    ,ames 4att)team engine 5patented in @F6.

    &andstrom+ ,.3.)afety 8atches.

    8acmillanicycle 5@GJ>6.

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    8auser8againe of rifle.

    8ercator-elestial and a terrestrial glo*e.

    8ontgolfieralloon 5@GG=6

    Pascal-alculating 8achine.

    Puckle+ ,ames8achine gun

    )hockley$ransistor.

    )holes$ypewriter.

    )tephenson"ailway engine.

    )winton8ilitary tank.

    $orricelliarometer.

    4att+ "o*ert 4atson"adar.

    4. K 9. 4right 54right rothers6Aeroplane 5@FL=6.

    4aterman(ountain pen.

    Meiss&enses; -amera.

    Pioneers in Medical Inventions and Discoveries

    antingInsulin 5as a palliative for dia*etes6.

    arnard+ -hristian"eplacing the human heart.

    rahmchari+ B.8.-ure of Cala#a#ar fever.

    DavyIsolation of metals *y electricity; studied properties of chlorine.

    Domagk)ulpha drugs as *actericides.

    3i'kman-ause of eri#eri.

    (insenDiscovered curative effect of ultra violet rays; photography.

    (leming+ Ale1anderPenicillin 5in @F>F6.

    Harvey-irculation of *lood.

    HahnemannHomoeopathy 5founder6.

    Hopkins+ (rederick :owlanditamin D.

    ,enner)mallpo1 accination.

    Coch$u*ercle acillus.

    &ainnec)tethoscope.

    &ister+ &ordAntiseptic treatment.

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    Pasteur+ &ouis$reatment of ra*ies; cure of hydropho*ia.

    "onald "oss8alaria Parasite.

    )alk+ ,onas 3.Anti#polio accine.

    )impson and Harrison-hloroform.

    4aksman)treptomycin.