Waves may not be that predictable, even though technology and forecasting has improved (from World War II, when wave forecasting began in earnest, thanks to the requirements of the D-Day landing, up through the sophisticated models used by sports organizations like Surfline today), but the tides are thoroughly predictable.
Exceptionally high tides caused by a rare conjunction of celestial events could have placed the fateful iceberg in the Titanic's path.
Last summer, we reported on the progress of a novel hydrokinetic river turbine on the Yukon River.
The internet is awash with rumors that this month's 'supermoon' - a full moon coinciding with the moon's closest approach to earth - will bring earthquakes, volcanic eruptions and floods.
The so-called 'habitable zone' around low-mass stars is often nothing of the sort, according to astronomers, because of the effect of tides.
Astrophysicists have for the first time got the opportunity to watch a planet being distorted and destroyed by its host star.