The grid-pattern “square waves” that appear in viral social media posts each summer are real — they’re called cross seas, and they’re caused by two wave systems meeting at nearly right angles. The ...

If you ever see the rare phenomenon known as square waves, also known as a cross-sea, in the ocean, get out immediately. While most waves form parallel to the shore and break at the coastline, square ...

A waveform that rises quickly to a particular amplitude, remains constant for a time period and drops fast at the end. In digital systems, square waves are the norm, because they represent a binary ...

Heading to the coast for a seaside trip is what vacation dreams are made of. Soaking in the sun while feeling the warm sand between your toes as the shore laps against your feet makes for a magical ...

WITH thousands of people flocking to the seaside to cool off, beach safety is all the more important. And there is one phenomenon called “square waves” which are extremely dangerous for anyone in the ...