Features

• Real Time

  The pace of living quickens continuously, yet a full understanding of things temporal still eludes us

  Gary Stix   | September 1, 2002  | 1

• A Chronicle of Timekeeping

  Our conception of time depends on the way we measure it

  William J. H. Andrewes   | September 1, 2002  |

• That Mysterious Flow

  From the fixed past to the tangible present to the undecided future, it feels as though time flows inexorably on. But that is an illusion

  Paul Davies   | September 1, 2002  | 1

• Times of Our Lives

  Whether they're counting minutes, months or years, biological clocks help to keep our brains and bodies running on schedule

  Karen Wright   | September 1, 2002  |

• From Instantaneous to Eternal

  The units of time range from the infinitesimally brief to the interminably long.The descriptions given here attempt to convey a sense of this vast chronological span.

  September 1, 2002  |

• Remembering When

  Several brain structures contribute to "mind time," organizing chronologies of remembered events

  Antonio R. Damasio   | September 1, 2002  |

• How To Build a Time Machine: Existing Forms of Forward Time Travel

  Paul Davies   | September 1, 2002  |

• A Hole at the Heart of Physics

  Physicists can't seem to find the time--literally. Can philosophers help?

  George Musser   | September 1, 2002  |

• Clocking Cultures

  What is time? The answer varies from society to society

  Carol Ezzell   | September 1, 2002  |

• How to Build a Time Machine: Mother of All Paradoxes

  Paul Davies   | September 1, 2002  | 1

• How to Build A Time Machine: A Wormhole Time Machine in Three Not So Easy Steps

  Paul Davies   | September 1, 2002  |

• Ultimate Clocks

  Atomic clocks are shrinking to microchip size, heading for space--and approaching the limits of useful precision

  W. Wayt Gibbs   | September 1, 2002  |

• How to Build a Time Machine

  It wouldn't be easy, but it might be possible

  Paul Davies   | September 1, 2002  | 75