• "The Final Frontier" - posted 3 January 2010 [open]
  

• "Quantum Fluctuations in the Early Universe" - posted 20 September 2009 [open]
  

• "The Uncertainty Principle" - posted 12 July 2009 [open]
  

• "The Standard Model" - posted 24 May 2009 [open]
  

• "The Observable Universe" - posted 19 April 2009 [open]
  

• "Neutrinos and the Universe" - posted 19 March 2009 [open]
  

• "Speculative Theories of the Early Universe" - posted 1 January 2009 [open]
  

• "The Mass of the Universe" - posted 7 December 2008 [open]
  "The distribution of matter in the Universe is closely related to the shape of and the rate of expansion of the Universe."

• "The Evolution of Our Universe" - posted 29 November 2008 [open]
  
  
• "The Cosmological Origin of Time Asymmetry" - posted 27 November 2008 [open]
  Time asymmetry refers to the flow of time from present to the future; time never flows backwards.
  
  
• "The Quantum Universe" - posted 20 November 2008 [open]
  Many problems remain to puzzle cosmologists, but a theory developed in 1980 to combine general relativity and quantum mechanics may shed more light on how the big bang began.
  
  
• "The Infinite Universe" - posted 21 September 2008
  Infinity means different things to different people. It could mean boundless, endless or very great. To the mathematician it means a quantity greater than any assignable quantity or a number. [open]
  

• "Quantum Geometry" - posted 25 July 2008
  In quantum geometry a point in spacetime and a straight line are non-existent. [read]
  
  
  
• "Particle Physics, Astronomy and Cosmology" - posted 10 June 2008
  "The synergy between particle physics, astronomy and cosmology created numerous breakthroughs in our understanding of nature, matter and the birth of the universe." [read]
  
  

• "Perceptions of Reality and Our View of the Universe" - posted 24 May 2008
  In a conversation with a fellow amateur astronomer I asked the question: “What is reality?” The response was very quick: “Reality is what we see...” [read]
  
  

• "The Pillars of the Big Bang Theory" - posted 27 April 2008.
  "When you drink water, remember the hydrogen in the water was forged in the furnace of the big bang. We are truly part of the universe." [read]
  
  
  
• "The Importance of the Evolution of Stars for the Universe" - posted 31 March 2008
  ' Without stars there would be no life, no planets, no interstellar gas and dust and no galaxies...’ [read]
  
  
  
• "The Multiverse " - posted 23 February 2008
  We are all familiar with Schrodinger's thought experiment in which a cat is in a box with a bottle of poison gas
  connected to a hammer...’ [read]
  
  
  
• "Challenges to the Big Bang Theory" - posted 6 January 2008
  This article is written in response to the ideas put forward by a group of scientists known as ‘alternative cosmology’. [read]
  
  
  
• "Tidal Forces and the Universe" - posted 26 November
  An account on how tidal forces affects bodies in space, including the Earth-Moon, planets, stars, black holes, galaxies and galaxy clusters [read]
  
  
  
• "The End " - posted 1 November
  "In a recent conversation with a fellow amateur astronomer I talked about Stephen Hawking’s statement that humans should leave the Earth if they want to survive as specie" [read]
  
  

• "A Journey through Time " - posted 3 October 2007
  According to Einstein’s General Theory of Relativity the entire universe was created in a tremendous explosion about
  13.7 billion years ago. [read]
  
  
  
• "Everyday Mysteries and the Universe" - posted 16 September 2007
  I can hardly imagine a more mind stretching experience than to find that reality is not what we always perceived
  it to be. [read]
  
  
  
• "Einstein was right, but..." - posted 26 August 2007
  Time is interwoven with space in the theory of relativity. It is spacetime. Spacetime is elastic. It can be stretched and bent. Space and time are mutually distorted. If space is stretched, time is shrunk. [read]
  
  
  
• "Is the speed of light constant?" - posted 19 August 2007
  The idea that the speed of light in a vacuum may somehow vary sounds crazy, doesn’t it..? [read]
  
  
  
• "Astronomy needs Quantum Mechanics " - posted 19 August 2007
  Astronomy, the scientific study of heavenly bodies, has a strange relationship with quantum mechanics, the study of the behaviour of atoms, sub-atomic particles and radiation... [read]
  
  
  
• "About Time" - posted 19 August 2007
  Time is a dimension we all thought we knew what it was, until we were asked to describe it... [read]
  
  

• "Choices and the Early Universe" - posted 23 July 2007
  Suppose you want to order an English breakfast in a restaurant and the waiter gives you a menu of
  thousands of different choices... [read]
  
  

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