Learn about the causes of tsunamis, their characteristics, and the destruction they can cause. Tsunamis are a form of natural disaster where a huge wave or waves form. Understand the importance of preparing for these powerful storms, as...

In this video Paul Andersen explains how the amplitude of a wave is a measure of the energy of the wave. He gives several examples of wave amplitude and shows you how to calculate the wave of a transverse and longitudinal wave.

Rogue waves - enormous, spontaneous surface waves in the open ocean - were once the tall tales of sailors. They are waves that reach 2-3x taller than the largest average waves in the area, reaching heights of 75 – 100ft. With the help of...

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The information that we know about the universe comes almost exclusively from the analysis of electromagnetic radiation. But there is only so much this light can reveal because there is an inherent...

The physical and chemical characteristics of ocean waters are discussed including salinity, temperature, density, and pressure. Footage from Maine, the Canadian Maritimes, and the Pacific coast highlight dynamic characteristics of the...

Today we wrap up the first half of our series on physical geography by taking a closer look at natural hazards - which are physical processes like heat waves and cyclones, earthquakes and volcanic eruptions, and floods and droughts. And...

You might think the most dangerous thing that can happen at a beach is a shark attack, or that the scariest thing might be a tsunami - but instead, rip currents kill more beachgoers than all other causes combined.

There are cosmic events so powerful that they leave permanent marks on the fabric of the universe itself. Imagine two colossal black holes spiraling into each other, yes they send ripples in the fabric of spacetime—gravitational waves...