A simplified explanation of Classical Relativity and Quantum Mechanics including the differences between them and how these impact on our concept of what is real in our universe. Without using mathematical algorithms or complicated scientific symbolism, this book explores examples of physics and chemistry which do not fit within the Classical Newtonian or Einsteinian models but which are explained by Quantum Mechanics and a few which as yet are unexplained by any human intellect.

The intention is to provide the reader with the understanding to make reasoned judgements when tackling some of the philosophical questions raised by recent advances in our knowledge of the universe in which we live..