EN
Why Cesium-133 Defines a Second — and Why ODTOE Says That's Wrong — Overview
所有人哲学家
Since 1967 the SI second has been 9,192,631,770 cycles of cesium-133. The choice is engineering convenience, not metaphysics. ODTOE argues the true unit of time
详细摘要（English）显示
Since 1967 the SI second has been 9,192,631,770 cycles of cesium-133. The choice is engineering convenience, not metaphysics. ODTOE argues the true unit of time is observer-internal: coherence cycles, not atomic ticks.