Newton

Physics

The Amtrak Derailment And Newton's First Law

If speed was the problem, then here is the physics of what may have happened.
Sara Rennekamp, Contributing Editor
Physics

Measuring The Earth With A Wire

You can examine the power of gravity on a table top.
Sara Rennekamp, Contributing Editor
Physics

Gravity Up Close

Looking for extra dimensions by measuring gravity at the microscopic level.
Phil Schewe, Contributor
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