Introduction: now is the time -- The birth of time -- Here come the hours -- Telling time after twilight -- What is a clock, anyway? -- Escaping the time traps of old -- Back and forth and back and forth -- Slicing the world into time zones -- Crystal clear timekeeping -- Measuring time without moving -- Time on your hands.
Summary
"[This book] travels through the past and into the future to explore how humans have measured the passage of time."--P. [4] of cover.