The name "aneroid" literally means "without liquid" (from the Greek a-nēros ). At its core, the device relies on mechanical physics rather than fluid dynamics: Barometer - National Geographic Education

An is a precision instrument used to measure atmospheric pressure without the use of liquids like mercury. Invented in 1844 by French scientist Lucien Vidi , it revolutionized weather monitoring by being more portable, durable, and safer than its liquid-based predecessors. How It Works


Announcing the Return of the
Foundation for Critical Thinking Press

The Foundation for Critical Thinking has reopened its publishing house at FCTPress.Org. Several publications are available now, including the award-winning Critical Thinking Therapy: For Happiness and Self-Actualization, with more to come.

The FCT Press also offers self-publishing services for authors. aneroid barometer