ArcaMax

Knowledge

on Jan 24, 2026

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Duluth. Large oceangoing ships only reached Montreal before the St. Lawrence Seaway opened in 1959.

Science Trivia / January 24, 2026

Seamounts. A seamount never reaches the surface of the ocean, thus never becoming an island.

Science Trivia / January 23, 2026

4.5 Volts. Batteries deliver their maximum voltage at room temperature.

Science Trivia / January 23, 2026

Hadal Zone. "Hadal" comes from a Greek word that means "unseen".

Science Trivia / January 22, 2026

Temperature Difference By Depth. OTEC, which stands for Ocean Thermal Energy Conversion, is an energy technology.

Science Trivia / January 22, 2026

Uranus. In 1977, the first nine rings of Uranus were discovered.

Science Trivia / January 21, 2026

Echolocation. Echolation, similar to radar, bounces sound waves off objects in order to locate them.