The Physical World

  The Physical World - 01 Seeing

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  The Physical World - 02 The Duality Of Light

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  The Physical World - 03 The Mysteries Of Colour

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  The Physical World - 04 The Thermodynamic Arrow Of Time

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  The Physical World - 05 Stephen Hawking And Time

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  The Physical World - 06 Natural Radiation

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  The Physical World - 07 The Final Straw Principle

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  The Physical World - 08 The Final Straw Principle In Bubble Chambers

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  The Physical World - 09 Low Temperatures

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  The Physical World - 10 Superconductors

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  The Physical World - 11 Is Matter Immortal_ I

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  The Physical World - 12 Is Matter Immortal_ Ii

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  The Physical World - 13 Planck's Constant

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  The Physical World - 14 Implications Of The Size Of Planck's Constant

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  The Physical World - 15 Pythagoras

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  The Physical World - 16 Infinity - Small

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  The Physical World - 17 Infinity - Large

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  The Physical World - 18 Orbiting Satellites

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  The Physical World - 19 Orbiting Electrons

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  The Physical World - 20 Electrons As 'Ambassadors'

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  The Physical World - 21 From Dirac's Hypothesis To Medical Imaging

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  The Physical World - 22 Positron Emission Tomography (Pet)

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  The Physical World - 23 The 'Mystery Box'

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