ArcaMax

Knowledge

on Dec 2, 2023

Aristotle
Socrates
Eratosthenes
Aristarchus

Eratosthenes. Eratosthenes used geometry, trigonometry, and a well in Alexandria, Egypt, to calculate the earth's diameter.

Science Trivia / September 07, 2024

Refraction. Refraction is the change in direction of a light wave due to a change in its speed.

Science Trivia / September 07, 2024

All Cells Possess A Cell Membrane. Matthias Jakob Schleiden and Theodor Schwann proposed the "cell theory" in 1838.

Science Trivia / September 06, 2024

Venus. The surface of Venus is rocky, dusty and waterless.

Science Trivia / September 06, 2024

Tracking Force. A tonearm tracking force should be adjusted for the cartridge specifications.

Science Trivia / September 05, 2024

Quartz. Many beaches claim to be the worlds longest including 90 Mile Beach in Australia and Long Beach, Washington.

Science Trivia / September 05, 2024

Landforms. Landforms are natural features of the earth's surface, like mountains, valleys, plains and hills.