Archimedes's Principle: Archimedes, Buoyant Force, Floating Objects, and a Gold Crown
By: 
Paul A. Heckert
What are Vectors and Scalars: Types of Quantities in Physics Depend on Importance of Direction
By: Paul A. Heckert
Understanding Mass and Weight: Fundamental Physics Concepts Related by Acceleration due to Gravity
By: Paul A. Heckert
Understanding Mass: Fundamental Quantity in Physics Measures the Amount of Matter
By: Paul A. Heckert
The Third Law of Thermodynamics: Carnot Cycle, Efficiency, Heat Engines, and Absolute Zero
By: Paul A. Heckert
Perpetual Motion Machine: Violates First or Second Laws of Thermodynamics
By: Paul A. Heckert
Physics and Investment Fraud: Apply the Laws of Thermodynamics to Avoid Investor Scam
By: Paul A. Heckert
By: Paul A. Heckert
The First Law of Thermodynamics: Conservation of Energy in Disguise; Work Output Cannot Exceed Input
By: Paul A. Heckert
The Second Law of Thermodynamics: Entropy Increases and Efficiency of Heat Engines Is Less Than 100%
By: Paul A. Heckert
The Laws of Thermodynamics: Three Basic Principles Govern Thermal Physics, Heat, & Work
By: Paul A. Heckert
Why no Metal in Microwave Ovens? Can Metallic Objects Be Inside; What About the Interior Walls?
By: Paul A. Heckert
By: Paul A. Heckert
How Do Microwave Ovens Work? Heating Water Molecules in Food with Electromagnetic Waves
By: Paul A. Heckert
Bernoulli's Principle and Storms: Why a Tornado or Hurricane Can Lift the Roof off a House
By: Paul A. Heckert
Bernoulli Effect While Driving: Examples of Bernoulli's Principle: Convertibles and Passing Traffic
By: Paul A. Heckert
Doppler Effect for Moving Objects: A Red Shift or Blue Shift in Light and a Pitch Change in Sound
By: Paul A. Heckert
Einstein's General Relativity: A Simplified Explanation of the General Theory of Relativity
By: Paul A. Heckert
Basic or Applied Research: Basic Research, X-rays, and Unforeseen Applications
By: Paul A. Heckert
Einstein's Special Relativity: Time Dilation, Lorentz Contraction, and Other Relativity Effects
By: Paul A. Heckert
Bernoulli's Principle Examples: Airplane Wings and Curve Balls Use Bernoulli's Principle
By: Paul A. Heckert
Physics Homework Help: A Strategy for Solving Physics Homework Problems
By: Paul A. Heckert
