ArcaMax

Knowledge

on Sep 12, 2025

Leadstone
Lodestone
Lardstone
Heavy Stone

Lodestone. A lodestone is a naturally magnetized piece of the mineral magnetite.

Science Trivia / September 11, 2025

Gold. As of 2009, about 165,000 tons of gold have been mined in human history.

Science Trivia / September 11, 2025

Physicist. Albert Einstein is probably the world's best known physicist.

Science Trivia / September 10, 2025

Trees. Trees become a renewable resource by the replanting of trees.

Science Trivia / September 10, 2025

1.5 Volts. Alessandro Volta invented the volaic pile in 1800.

Science Trivia / September 09, 2025

76 Years. Halley's Comet was first seen in 240 BC.

Science Trivia / September 09, 2025

The Ground. "Virga "is rain or snow that falls towards Earth but does not touch the ground.