Temporal cycles - Topics

School capsules opened at a 25-year reunion rarely surprise anyone El Nino arrives every 2 to 7 years and never on schedule Cicadas emerge on 13 and 17 year prime cycles to starve their predators Why forecasters see cycles in noise that has none Why the tide comes twice a day but spring tides come twice a month The hog cycle: farmers overbreed after high prices and crash the market Tidal locking: why the Moon's rotation period equals its orbital period The 11-year sunspot cycle and the Maunder Minimum: what happens when the rhythm skips Ice cream sales and drowning deaths both follow the thermometer: the common cause behind a lag Housing cycles and why this time is different keeps failing Bacteria in a dish double until they crash: exponential growth is always temporary Economists still argue over what counts as a recession because the cycle has no clear edge The eleven-year solar cycle and what it does to satellites What makes a cycle a cycle: period amplitude and phase Appetite rises in the luteal phase: the monthly rhythm few people plan for Product life cycles: companies retire good products on a schedule Kondratieff waves: the fifty-year cycle that probably is not one Milankovitch cycles: 100000-year ice ages driven by orbital wobble Fashion seasons and fiscal years keep a cyclical rhythm alive inside linear institutions Cycle tracking apps assume 28 days and most cycles are not Why seasonal planting calendars made time feel like a wheel rather than a road Fashion revives every twenty years — why trends come back on schedule The census is legally tied to a decade and the mid-decade count breaks the pattern