Addition of velocities 20 THE GENERAL THEORY OF RELATIVITY 469 The principle of equivalence The bending of light The perihelion of Mercury The gravitational time dilation The frontiers of physics: Orbiting clocks The frontiers of physics: Spacetime drag 94 21 THE EARLY ATOMIC THEORY The physics of the atom Black body radiation The photoelectric effect The bohr model of the atom revisited Physics in our world: Using photons to detect tumors De broglie waves antum mechanics 22 QUANTUM MECHANICS The beginnings of quantum mechanics 511 The new mechanics of the atom 51 Wave mechanics Pioneers of physics: Schradinger's inspired &u Heisenbergs uncertainty principle The new physics The frontiers of physics: Knowledge and certainty Physics in our world: Electron microscopes The frontiers of physics: Quantum teleportation 23 NUCLEAR PHYSICS 532 Bevond the atom Radioactivity Nuclear reactions Nuclear energy: Fission and fusion Applications of nuclear physics Pioneers of physics: Enrico Fermi (1901-1954 Physics in our world: Proton beams for cancer therapy !  B;B # !1 B;6 12       /       .   /   4    B;=   ! : B;= < " " B57  & ! & B5=   ! * BA7  & "  BA6 $     1  3 BAA 0'  BA= $      !   B=B 13     /    *        B=;    !  " B=; 0'   B=;   !! B==  0 " !  "  627    ' :      ! 62B  0&C % 62; F" " 62= 11 F   * *     
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