This time last year I talked about the great discovery of the Higgs boson, and just a year later the 2013 Nobel Prize was awarded to Peter Higgs and Francois Engelbert for "the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles". This was confirmed by the ATLAS and CMS experiments at CERN's Large Hadron Collider, and Australian scientists were involved in the development of the ATLAS detector. Now there is only dark matter and dark energy to go, which happen to be 95% of the Universe!
Closer to home, for the first time last year I taught 1st-year University Physics. I began with the question "What is the time?", and then dropped "the" and asked "What is time?". In case it helps, Einstein said "Time is that which is measured by clocks". Perhaps you can do better?
Another person who asks deep questions is Professor Lawrence Krauss, who is the author of this year's book-prize entitled "A Universe from nothing". It gives me great pleasure to award this prize, which has a personalised dedication from Lawrence, to ...

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