TwistedSifter on MSN

Ancient Clay Tablet Reveals That The Babylonians Knew The Pythagorean Theorem Over 1,000 Years Before Pythagoras Lived

The earliest known evidence for the Pythagorean Theorem comes from an ancient clay tablet called, “IM 67118.” This tablet ...
IEEE

Simultaneous Measurement of Conductivity and Diameter of an Infinite Length Metallic Rod Using the Phase Signature of Induced Eddy Current

Abstract: This article proposed an eddy current testing (ECT) method to simultaneous measure conductivity and diameter of metallic rod using phase feature. The eddy current sensor with single coil ...