All History articles – Page 49

  • CLASSIC-KIT-190
    Opinion

    'Perkin's' triangle

    2009-01-08T10:14:00Z

    The vacuum distillation apparatus invented by Leonard Temple Thorne, but with Perkin's name on it

  • Periodic table of the elements – 84 – Polonium
    Podcast

    Polonium

    2009-01-07T00:00:00Z

    Is it a metal, a metalloid or a nonmetal? Johnny Ball deciphers polonium

  • Periodic table of the elements – 19 – Potassium
    Podcast

    Potassium

    2008-12-31T00:00:00Z

    Peter Wothers on how potassium got its name

  • Periodic table of the elements – 59 – Praseodymium
    Podcast

    Praseodymium

    2008-12-24T00:00:00Z

    The 'green twin' from didymium safety glasses

  • Periodic table of the elements – Promethium
    Podcast

    Promethium

    2008-12-17T00:00:00Z

    Enter the world of Greek mythology to reveal the great powers of the element promethium

  • Periodic table of the elements – 91 – Protactinium
    Podcast

    Protactinium

    2008-12-10T00:00:00Z

     Eric Scerri on the mysteries of protactinium

  • Periodic table of the elements – 88 – Radium
    Podcast

    Radium

    2008-12-03T00:00:00Z

    The self illuminating story of element number 88

  • FEATURE-INGOLD-200
    Feature

    Organic pioneer

    2008-11-27T11:23:00Z

    Christopher Ingold's insights into mechanism and reactivity established many of the principles of organic chemistry. John Ridd reveals more about his life and work

  • Opinion

    Flashback

    2008-11-27T11:18:48Z

    20 years ago in Chemistry in Britain

  • Rudolf Signer (1903-1990)
    Opinion

    Signer's Osmometer

    2008-11-27T08:55:00Z

    Signer's elegant apparatus for measuring molecular weights in solution

  • Periodic table of the elements – 86 – Radon
    Podcast

    Radon

    2008-11-26T00:00:00Z

     Katherine Holt on the element that accounts for half of the UK population's annual radiation dose

  • Periodic table of the elements – 75 – Rhenium
    Podcast

    Rhenium

    2008-11-19T00:00:00Z

    One of the rarest naturally occuring elements – and full of surprises – Eric Scerri introduces rhenium

  • Periodic table of the elements – 45 – Rhodium
    Podcast

    Rhodium

    2008-11-12T00:00:00Z

    An element whose rarity and reluctance to react make it oh so special

  • Periodic table of the elements – 111 – Roentgenium
    Podcast

    Roentgenium

    2008-11-05T00:00:00Z

    An element that needs just the right conditions in order to get a successful collision

  • Opinion

    Flashback

    2008-10-29T10:06:33Z

    40 years ago in Chemistry in Britain

  • CLASSIC-KIT-200
    Opinion

    Abbes refractometer

    2008-10-29T09:25:00Z

    The other day I found myself in the supermarket staring at a frozen cliff of buttery spreads

  • Periodic table of the elements – 37 – Rubidium
    Podcast

    Rubidium

    2008-10-29T00:00:00Z

     A radioactive element that's good at keeping time

  • Periodic table of the elements – 44 – Ruthenium
    Podcast

    Ruthenium

    2008-10-22T00:00:00Z

    An element for 'connoisseurs'

  • Periodic table of the elements – 104 – Rutherfordium
    Podcast

    Rutherfordium

    2008-10-15T00:00:00Z

    An element born from the intense scientific competition between Russia and America

  • Periodic table of the elements – 62 – Samarium
    Podcast

    Samarium

    2008-10-08T00:00:00Z

    A rare, lustrous element whose isotopes have unfathomably long half-lives