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Burt Jordaan's Articles in Reference & Education

  • The Origin of Inertia
    Inertia is the well-known effect of matter resisting being accelerated. But where does inertia come from. This article explores two possibilities.
  • What is Cosmology?
    A brief answer to the question "what is cosmology?" Introducing non-technical people to physical cosmology, the scientific study of the Universe at large.
  • What is Gravity?
    A look at 'what is gravity?' from the viewpoints of Kepler, Newton and Einstein - a brief comparison and the possible future of gravity theory.
  • What is Relativity?
    The evolution of relativity from Galileo to Newton to Einstein - a brief comparison.
  • Travel Keeps You Younger
    The "twin paradox" of Albert Einstein's theory of relativity has bemused many people for almost a century. Here's a non-technical solution that will appeal to the enquiring and curious mind.
  • Free Green Electricity from Garbage
    The quest for free energy has fascinated humankind ever since we became "energy-hungry". So far the quest has been without success, but out there, in deep space, may hide a solution – spinning black holes.
  • Can a Black Hole Lose its Clothes?
    Black holes are theorized to have singularities in their centers. The event horizons of black holes shield the central singularities from outside observation, a principle called the "cosmic censorship hypothesis", coined by Sir Roger Penrose. However, black holes may have a way to sidestep Sir Roger's censorship.

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