THE HISTORY OF TIMEKEEPING KEEPING TIME THE SUN THE STARS ROMAN TIMEKEEPING WATER MECHANICAL QUARTZ CLOCKS ATOMIC CLOCKS LINKS HOROLOGY WITH RESPECT TO HUMAN HISTORY RECENT HUMAN DESIRE INITIATED THE MIDDLE EAST NORTH CLOCK DEFINED DEVICE CONSTANT PROCESS ACTION MARK EQUAL ACROSS THE SKY CANDLES MARKED OIL LAMPS SAND GLASSES SMALL STONE METAL MAZES INCENSE BURN CERTAIN MEANS TRACK DISPLAYING TIME MEASUREMENT DEGREE INACCURACY THEMSELVES ACCURATE CLOSE RESEARCHERS PROGRESSED TIME MANAGEMENT SOFTWARE ELECTRONICALLY MEASURE EGYPTIANS FIRST GROUP PEOPLE WE CAN PROVE BELIEVE SUMERIANS THOUSANDS PROOF STRATEGIC SHADOWS MOVING KIND ENABLING CITIZENS PARTITION THE DAY PARTS DAYS THE SHADOW NOON THE BASE THE MONUMENT THE NEXT STEP FORWARD THE SUNDIAL DIVIDED TWILIGHT HOURS SUNDIAL KEPT HALF THE DEVICE HAD TO TURNED AFTERNOON TRACKS CELESTIAL POLE CASTING SHADOW POINT OF LIGHT ONTO SURFACE HOUR MINUTE OBJECT GNOMON MUST POINT THE NORTH THE NORTH STAR AXIS APPEARS SHARPER THE SHADOW LINE GREATER GENERALLY THE HOUR SMALLER GETS POINT OF DIMINISHING RETURNS REACHED DIFFRACTION OF LIGHT WAVES WIDTH THE DIAL THE QUEST SUNDIALS EVOLVED FLAT VERTICAL VERSION HEMISPHERICAL DEPRESSION CUT BLOCK CARRYING CENTRAL LINES DIFFERENT SEASONS HEMICYCLE THOUGHT INVENTED USELESS HEMISPHERE GIVE APPEARANCE THE EDGE SQUARED OBELISK COPPER STARS SYNC CARDS STAR TIME SERVER CELL MERKHET DEVELOPED USES STRING THE END STRAIGHT VERTICAL LINE CARPENTER PLUMB BOB PAIR MERKHETS USED TO LINING POLE STAR MEASUREMENT NIGHTTIME HOURS AS IT MEASURED CROSSED MERIDIAN ASIA MINOR WATER CLOCKS THE PASSAGE CELESTIAL BODIES THE TOMB ANCIENT EGYPTIAN KING AMENHOTEP BURIED THE GREEKS REGULAR DRIPPING OPENING FLOAT ROSE WATER CLOCK REGULATED RATE BOWL COMMON THE MIDDLE AFRICA THE EARLY TELL TIME FRACTION IMPRESSIVE GREEK ROMAN COMPLEXITY THE FLOW THE PRESSURE DISPLAYS RANG BELLS DOORS AND WINDOWS SHOW LITTLE FIGURES ASTROLOGICAL GREEK ASTRONOMER CONSTRUCTION OF THE TOWER WINDS ATHENS OCTAGONAL STRUCTURE SCHOLARS MARKETPLACE SHOPPERS THE EIGHT DISPLAYED THE SEASONS THE YEAR DATES THE FAR EAST CHINESE ILLUSTRATED CLOCK TOWERS ASSOCIATES MECHANISM ESCAPEMENT POSSESSED BRONZE ARMILLARY SPHERE ROTATING CELESTIAL GLOBE FRONT DOORS VIEWING MANNEQUINS TABLETS SPECIAL TIMES SU SUNG TOWER OF THE WINDS GREECE