ArcaMax

Knowledge

on Feb 15, 2025

Albert Einstein
Nelson Mandela
Mahatma Gandhi
George Washington

Albert Einstein. Albert Einstein declined to be Israel's president in 1952.

Science Trivia / December 18, 2025

Scanning Electron Microscope. The SEM has great magnification power, but resolution is better with the TEM.

Science Trivia / December 18, 2025

4. The heart has two atria and two ventricles.

Science Trivia / December 17, 2025

Trade Winds. The trade winds have been used by captains of sailing and merchant ships for centuries.

Science Trivia / December 17, 2025

The Sea Of Tranquility. Apollo 11 landed on the moon in 1969.

Science Trivia / December 16, 2025

Metal. Some metals are nonmagnetic.

Science Trivia / December 16, 2025

1,000. Most meteoroids burn up upon entering the earth's atmosphere, turning them to dust.