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There is nothing new to be discovered in physics now. All that remains is more and more precise measurement. (Lord Kelvin, 1900) Address to the British.

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Presentation on theme: "There is nothing new to be discovered in physics now. All that remains is more and more precise measurement. (Lord Kelvin, 1900) Address to the British."— Presentation transcript:

1 There is nothing new to be discovered in physics now. All that remains is more and more precise measurement. (Lord Kelvin, 1900) Address to the British Association for the Advancement of Science, 1900 ©Hunterian Museum and Art Gallery, University of Glasgow. Licensor www.scran.ac.uk.

2 All that remains to do in physics is to fill in the sixth decimal place (Albert Michelson, 1894)

3 What did we know about science, the world and the universe in 1900?

4 What has been discovered in physics since 1900?

5 Fortunately… ‘No matter how we may single out a complex from nature...its theoretical treatment will never prove to be ultimately conclusive... I believe that this process of deepening of theory has no limits.’ (Albert Einstein, 1917)

6 Lord Kelvin did have a little idea… … he mentioned two ‘clouds’ on the horizon of physics: 1) blackbody radiation 2) the Michelson–Morley experiment.

7 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 FieldsParticles Electromagnetic Special relativity Quantum mechanics Wave / particle Fermions / Bosons Spin Antimatter W bosons QED Maxwell SUSY Higgs Superstrings Universe Newton Kinetic theory, Thermodynamics Brownian motion General relativity Big Bang Nucleosynthesis Inflation Atom Nucleus e- p+ n Particle zoo u μ - π νeνe νμνμ ντντ ds c τ-τ- τ-τ- b t Galaxies; expanding universe Nuclear fusion Cosmic Microwave Background GUT ν mass QCD Colour Dark Energy (?) Dark Matter WZ g Photon WeakStrong e+ p- Fermi Beta- Decay Yukawa π exchange Boltzmann Radio- activity Technologies Geiger Cloud Bubble Chamber Cyclotron DetectorAccelerator Cosmic rays Synchrotron e+e- collider p+p- collider Beam cooling Wire chamber Online computers WWW GRID Modern detectors P, C, CP violation STANDARD MODEL EW unification 3 generations CMB Inhomgeneities (COBE, WMAP) 1895 1905 1975

8 What are the most important questions that physics is asking?

9 © CERN http://cdsweb.cern.ch/record/910381/

10 Three fundamental questions drive the research at CERN Where do we come from? What are we made of? What is the future of the universe?

11 What do you need to be successful in Higher Physics? What do you need to be successful ?

12 Alvaro de Rujula, theoretical physicist, CERN It pays not to know very much (no preconceived ideas!) Challenge what you do know (let go of your misconceptions) Be young (most big discoveries are made by scientists early in their careers)

13 How Higher Physics students view physics Physics learning climbing wall mgh 1/2mv 2 What am I doing here? CERN February 2010CERN RCUK Teacher Programmes

14 Taking you on a tour … or a journey CERN February 2010CERN RCUK Teacher Programmes Skills Particles Electricity Waves Our Dynamic Universe Uncertainties Researching Physics NABs Electronics

15 And remember... to study physics © Mary Evans Picture Library

16 ‘The only way of discovering the limits of the possible is to venture a little way past them into the impossible.’ (Arthur C. Clarke, author of 2001 : A Space Odyssey)


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