rotor

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Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Easter Procession of Maria Santisima del Sacromonte in Granada, Spain. This statue is known as Virgen de los Gitanos or The Virgin of the Gypsies.

What is Holy Week?

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

rotor

vortex

Learn about this topic in these articles:

occurrence in lee wave

In lee wave
…of sufficient amplitude for a rotor, a vortex with a horizontal axis of rotation perpendicular to the direction of flow, to occur. In a rotor, the wind at the ground blows toward the mountain.
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