Nov 1, 2009

CERN Large Hadron Collider to Restart Late 2009: Damage from Fall 2008 LHC Accident Required Extensive Repairs

In: Particle Physics

By: Paul A. Heckert

Oct 18, 2009

Halloween Costumes Improved by Physics: How Physicists Can Make Spooky Holiday Witches and Ghosts Realistic

In: Physics (general)

By: Paul A. Heckert

Oct 13, 2009

How Medical Diagnostic Ultrasound Imaging Works: Physics, Images of Fetuses and Internal Organs, & Echocardiograms

In: Physics (general)

By: Paul A. Heckert

Oct 11, 2009

How Magnetic Resonance Imaging (MRI) Works: Physics, NMR, and Diagnostic Medical Images of the Human Body

In: Physics (general)

By: Paul A. Heckert

Oct 9, 2009

Understanding Nuclear Magnetic Resonance: Atomic Nuclei, Physics, NMR Spectroscopy, and MRI Medical Imaging

In: Quantum Physics

By: Paul A. Heckert

Sep 13, 2009

How Fast Are Record-Setting 100 Meter Sprints: Top Speeds for Usain Bolt's & Cheetah's World Running Records

In: Physics (general)

By: Paul A. Heckert

Sep 12, 2009

Is Cincinnati Zoo's Cheetah the Fastest Mammal: Cheetah's Animal 100 Meter Running Speed Record is Not Highest Speed

In: Physics (general)

By: Paul A. Heckert

Sep 10, 2009

Balancing an Egg on the Equinox: Urban Myths, Scientific Method, and Experimental Controls

In: Physics (general)

By: Paul A. Heckert

Sep 8, 2009

Feynman Lectures on Physics: Richard Feynman's Famous Lecture Series is Tutorial for Physicists

In: Physics (general)

By: Paul A. Heckert

Aug 19, 2009

How Fast Can Humans Swim: What Is Swimming Speed of World's Fastest Man or Woman Swimmers

In: Physics (general)

By: Paul A. Heckert

Aug 17, 2009

How Fast can Humans run 100 Meters to Marathon: What is Speed of World's Fastest Man or Woman and of Average People

In: Physics (general)

By: Paul A. Heckert

Aug 7, 2009

What is Resonance in Physics: Resonant Phenomena, Musical Instruments, Radio Tuners, and Bridges

In: Physics (general)

By: Paul A. Heckert

Jul 24, 2009

What Causes Northern and Southern Lights: The Physics Behind the Aurora Borealis and Aurora Australis

In: Geophysics

By: Paul A. Heckert

Jul 6, 2009

Centripetal Forces and Centrifugal Effects: Understanding the Physics of Uniform Circular Motion

In: Mechanical Physics

By: Paul A. Heckert

Jul 3, 2009

How Fireworks Produce Sounds and Colors: The Science, Physics, and Chemistry Behind Fireworks Displays

In: Physics (general)

By: Paul A. Heckert

Jul 2, 2009

Understanding Physics of Inertial Forces: Force Effects Caused by Inertia and Accelerating Reference Frames

In: Mechanical Physics

By: Paul A. Heckert

Jun 12, 2009

Millikan Oil Drop Experiment: First Measurement of Fundamental Electric Charge on Electron

In: Physics History

By: Paul A. Heckert

Jun 12, 2009

Biography of Physicist Robert Andrews Millikan: Won Nobel Prize in Physics for Measuring the Charge on the Electron

In: Physics History

By: Paul A. Heckert

Jun 10, 2009

Converting Pounds, Kilograms, Newtons, & Slugs: Physics Units for Mass, Weight, & Force Often Converted Incorrectly

In: Physics (general)

By: Paul A. Heckert

Jun 3, 2009

Understanding Volts, Amps, and Ohms in Physics: Units of Electric Current, Resistance, and Potential Difference

In: Electricity & Magnetism

By: Paul A. Heckert

May 31, 2009

Obama's Energy Secretary Suggests White Roofs: Physics of Chu's Claim Reflective Surfaces Will Slow Global Warming

In: Physics (general)

By: Paul A. Heckert

May 27, 2009

What are Electron Volts: eVs & MeVs Are Units of Energy for Fundamental Elementary Particles

In: Physics (general)

By: Paul A. Heckert

May 26, 2009

What are Calories, Joules, BTUs, and Ergs: Units To Measure Energy and Work in Physics and Other Sciences

In: Physics (general)

By: Paul A. Heckert

May 9, 2009

Earth's Interior Structure and Composition: Rocky Crust and Mantle, Nickel Iron Inner and Outer Core

In: Geophysics

By: Paul A. Heckert

Apr 20, 2009

Tectonic and Geologic Activity on Venus: Venus's Surface Has Processes Different from Earth's Plate Tectonics

In: Geophysics

By: Paul A. Heckert

Apr 20, 2009

Volcanoes and Geology of Venus: Venus's Surface Has much Volcanic, Tectonic, and Geologic Activity

In: Geophysics

By: Paul A. Heckert

Apr 20, 2009

Why Earth has Fewer Craters than Moon: Plate Tectonics and Geological Activity Destroy Earth's Craters

In: Geophysics

By: Paul A. Heckert

Mar 15, 2009

Understanding the Derivation of Escape Velocity: The Minimum Speed Needed to Escape a Gravitational Field

In: Mechanical Physics

By: Paul A. Heckert

Mar 15, 2009

Why There Is no Atmosphere on the Moon: Weak Gravity Allows Gas Atoms to Escape so no Air on Small Planets

In: Physics (general)

By: Paul A. Heckert

Mar 14, 2009

Can Hubble Space Telescope See Flag on the Moon? What Is the Smallest Detail HST Can Photograph on Lunar Surface?

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Mar 3, 2009

Is There Gravity on the Moon or in Space? Yes, Gravitational Forces Exist Everywhere in the Universe

In: Mechanical Physics

By: Paul A. Heckert

Feb 23, 2009

Plate Tectonics and Geology in the Solar System: Tectonic Activity on Other Planets: Moon, Mars, Venus, Mercury

In: Geophysics

By: Paul A. Heckert

Feb 17, 2009

Plate Tectonics and Geologic Features on Mars: Olympus Mons, Valles Marineris, & Tharsis Ridge Dwarf Earth Geology

In: Geophysics

By: Paul A. Heckert

Feb 16, 2009

What Is a Kilowatt-Hour on Electric Bills: Power Companies Bill Customers for Kilowatt-Hours of Electricity

In: Mechanical Physics

By: Paul A. Heckert

Feb 2, 2009

Understand Plate Tectonics & Continental Drift: Geological Mountain Building Forces Cause Earthquakes and Volcanoes

In: Geophysics

By: Paul A. Heckert

Jan 21, 2009

Magnetism and Earth's Interior Structure: How Magnetic Fields Probe Planetary Interiors

In: Geophysics

By: Paul A. Heckert

Jan 21, 2009

How Earthquakes Reveal Earth's Interior: Seismic Waves Probe Structure & Composition of Planetary Interiors

In: Geophysics

By: Paul A. Heckert

Jan 21, 2009

Earth's Density and Interior Composition: Densities Help Scientists Probe Structure of Planetary Interiors

In: Geophysics

By: Paul A. Heckert

Jan 18, 2009

Understanding Density and Specific Gravity: Mass Divided by Volume is a Property of the Type of Material

In: Physics (general)

By: Paul A. Heckert

Dec 22, 2008

Understanding the Cavendish Experiment: Measuring Newton's Universal Gravitational Constant, G

In: Physics History

By: Paul A. Heckert

Dec 20, 2008

Understanding Physics Collision Problems: Elastic, Inelastic Collisions; Momentum, Kinetic Energy Conservation

In: Mechanical Physics

By: Paul A. Heckert

Dec 20, 2008

Fun Classroom Demonstrations for Newton's Laws: How to Liven up Science Lessons by Demonstrating Physical Principles

In: Mechanical Physics

By: Paul A. Heckert

Dec 20, 2008

Understanding Physics Conservation of Momentum: Fundamental Physical Law Is a very Useful Problem Solving Technique

In: Mechanical Physics

By: Paul A. Heckert

Dec 16, 2008

Obama Taps Steven Chu, Physics Nobel Laureate: The Science Behind Designated Energy Secretary Chu's 1997 Prize

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Dec 16, 2008

Basic Physics of Rocket Propulsion: How Newton's Third Law and Conservation of Momentum Propel Rockets

In: Mechanical Physics

By: Paul A. Heckert

Nov 24, 2008

What Happened to the CERN Large Hadron Collider: Liquid Helium Leak & Warming Magnets Shut Down LHC until April 2009

In: Particle Physics

By: Paul A. Heckert

Nov 23, 2008

Simplified Nuclear Fission and Fusion for Kids: Two Types of Reactions Fuse Light Atoms or Split Heavy Elements

In: Physics (general)

By: Paul A. Heckert

Nov 10, 2008

Why do Hot Air Balloons Fly: How the Ideal Gas Law and Archimedes's Principle Apply to Ballooning

In: Physics (general)

By: Paul A. Heckert

Oct 26, 2008

Understanding the Ideal Gas Law: Boyle's & Charles' Laws and Pressure, Volume & Temperature of Gasses

In: Physics (general)

By: Paul A. Heckert

Oct 18, 2008

Understanding Bosons and Fermions: The Elusive Higgs Boson and the Large Hadron Collider (LHC)

In: Particle Physics

By: Paul A. Heckert

Sep 25, 2008

What Are Leptons: Electrons, Neutrinos, Other Subatomic Particles, and the Weak Force

In: Particle Physics

By: Paul A. Heckert

Sep 22, 2008

What Are Hadrons: Protons, Other Elementary Subatomic Particles, and the Strong Force

In: Particle Physics

By: Paul A. Heckert

Sep 18, 2008

Can the CERN LHC Destroy Earth? Will Energy from the Large Hadron Collider Form a Black Hole?

In: Particle Physics

By: Paul A. Heckert

Sep 9, 2008

Fermi Problems Physics Estimation: Physicists Often Use Order of Magnitude or Power of Ten Estimates

In: Physics (general)

By: Paul A. Heckert

Aug 23, 2008

College Physics Laboratory Tips: How to Succeed in a Conceptual, Algebra, or Calculus Based Lab

In: Physics (general)

By: Paul A. Heckert

Aug 22, 2008

Success in College Physics Classes: How Students Can Succeed in a Calculus or Algebra Based Course

In: Physics (general)

By: Paul A. Heckert

Aug 21, 2008

Selecting the Right Physics Course: Introductory Classes Can Be Conceptual, Algebra-, or Calculus-Based

In: Physics (general)

By: Paul A. Heckert

Aug 7, 2008

Understanding Convection Currents: Convective Heat Energy Transfer in a Circulating Liquid or Gas

In: Physics (general)

By: Paul A. Heckert

Aug 7, 2008

Physics of Blood Pressure: Physical Meaning of Diastolic, Systolic, High, or Low Readings

In: Physics (general)

By: Paul A. Heckert

Jul 28, 2008

Latent Heat Fusion & Vaporization: Energy Needed for Phase Change Between Solid, Liquid, & Gas

In: Physics (general)

By: Paul A. Heckert

Jul 23, 2008

Why Continental Climates are Extreme: Heat Capacity of Large Water Bodies Moderates Temperatures

In: Physics (general)

By: Paul A. Heckert

Jul 21, 2008

Specific Heat Capacity: Thermal Energy Needed To Change an Object's Temperature

In: Physics (general)

By: Paul A. Heckert

Jul 20, 2008

Temperature and Heat Content: Random Molecular Kinetic Energy and Total Thermal Energy

In: Physics (general)

By: Paul A. Heckert

Jul 7, 2008

Physics of Weight Loss Programs: Conservation of Energy, Exercise, Diets, & Staying or Becoming Slim

In: Physics (general)

By: Paul A. Heckert

Jun 23, 2008

Understanding Kepler's Third Law: Planetary Motion, Orbital Period, Distance from Sun, and Mass

In: Mechanical Physics

By: Paul A. Heckert

Jun 23, 2008

Understanding Kepler's Second Law: Planetary Motion, Changing Speeds, Equal Areas, and the Cosmos

In: Mechanical Physics

By: Paul A. Heckert

Jun 23, 2008

Kepler's First Law: Planetary Motion, Elliptical Orbits, & Understanding the Cosmos

In: Mechanical Physics

By: Paul A. Heckert

Jun 23, 2008

Kepler's Laws of Planetary Motion: Kepler & New Vision of the Cosmos with Planet's Elliptical Orbits

In: Mechanical Physics

By: Paul A. Heckert

Jun 19, 2008

Importance of Maxwell's Equations: Brilliant Electromagnetic Synthesis of Electrical & Magnetic Effects

In: Electricity & Magnetism

By: Paul A. Heckert

Jun 17, 2008

Understanding Ampere's Law: Electric Currents, Induced Magnetic Fields, & Current in Closed Loop

In: Electricity & Magnetism

By: Paul A. Heckert

Jun 12, 2008

Understanding Gauss's Law: Electric Field, Flux, Closed Gaussian Surface, and Enclosed Charge

In: Electricity & Magnetism

By: Paul A. Heckert

Jun 10, 2008

Physics of Sweating: Why Evaporating Sweat Cools our Bodies in Hot Weather

In: Physics (general)

By: Paul A. Heckert

Jun 4, 2008

Weight of Earth's Atmosphere: Gravity, Force, and Pressure in Fluids & the Power of Physics

In: Physics (general)

By: Paul A. Heckert

Jun 1, 2008

Understanding Pascal's Principle: Pascal, Pressure, Force, Physics of Fluids, & Hydraulic Engineering

In: Physics (general)

By: Paul A. Heckert

Jun 1, 2008

Understanding Pressure in Physics: The Physical Concept of Force Divided by Area and its Applications

In: Physics (general)

By: Paul A. Heckert

May 23, 2008

Magnetic Brakes and Lenz's Law: Random Eddy Currents Induce Magnetic Fields and Cause Braking Effect

In: Electricity & Magnetism

By: Paul A. Heckert

May 23, 2008

Understanding Faraday's Law: Electromagnetic Induction from Changing Magnetic Flux

In: Electricity & Magnetism

By: Paul A. Heckert

May 23, 2008

Understanding Lenz's Law: Conservation of Energy & Direction of Induced Electromagnetic Fields

In: Electricity & Magnetism

By: Paul A. Heckert

May 9, 2008

Faraday Cages and Lightning Safety: Physics, Conducting Enclosures, and Protection in Electrical Storms

In: Electricity & Magnetism

By: Paul A. Heckert

May 9, 2008

Understanding the Faraday Cage: What Is the Physics of Shields for Electromagnetic Fields and Waves?

In: Electricity & Magnetism

By: Paul A. Heckert

Apr 27, 2008

Oersted's Electromagnetic Effects: Oersted Discovers Electric Currents Induce Magnetic Fields

In: Electricity & Magnetism

By: Paul A. Heckert

Apr 24, 2008

Dispersion & Refraction in Optics: Prisms and Raindrops Break White Light into Rainbows of Color

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Apr 19, 2008

Optics & Total Internal Reflection: Optical Physics, Fiber Optic Cables, Diamond Brilliance, & Rainbows

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Apr 15, 2008

Reflection of Light in Optics: Specular and Diffuse; Equality of Incident and Reflected Angles

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Apr 13, 2008

Refraction of Light: Refractive Index, Snell's Law in Optics, & Refracting Light in Media

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Apr 3, 2008

Energy and Power in Physics: Watts, Joules, the Ability To Do Work, and Time

In: Mechanical Physics

By: Paul A. Heckert

Mar 31, 2008

Understanding Work in Physics: Physicists Multiply Force by Displacement

In: Mechanical Physics

By: Paul A. Heckert

Mar 24, 2008

Understanding Potential Energy: Position in a Conservative Force Field Gives PE

In: Mechanical Physics

By: Paul A. Heckert

Mar 22, 2008

Geosynchronous Satellite Orbits: Communications Satellites Orbit above Same Location on Earth

In: Mechanical Physics

By: Paul A. Heckert

Mar 16, 2008

Archimedes' Principle: Archimedes, Buoyant Force, Floating Objects, and a Gold Crown

In: Physics (general)

By: Paul A. Heckert

Feb 26, 2008

Understanding Kinetic Energy: Motion, Net Work, Heat as Random KE, and Joules as Units

In: Mechanical Physics

By: Paul A. Heckert

Feb 24, 2008

Early Theories of Atomic Structure: Thomson's Plum Pudding & Rutherford's Nuclear Models of the Atom

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Feb 24, 2008

Bohr's Model of the Atom: Niels Bohr Uses Quantum Mechanics to Explain Atomic Structure

In: Atomic/Molecular/Optical Physics

By: Paul A. Heckert

Feb 20, 2008

Wave Particle Duality: De Broglie Said Light & Elementary Particles Show both Properties

In: Particle Physics

By: Paul A. Heckert

Feb 20, 2008

Heisenberg Uncertainty Principle: Understanding the Role of Uncertainty in Quantum Mechanics

In: Particle Physics

By: Paul A. Heckert

Feb 20, 2008

The Photoelectric Effect: Einstein's 1905 Explanation Earned the Nobel Prize

In: Particle Physics

By: Paul A. Heckert

Feb 17, 2008

Resonant Orbits and Saturn's Rings: Physics of How Moons Cause Complex Planetary Ring Structures

In: Mechanical Physics

By: Paul A. Heckert

Feb 17, 2008

Shepherd Moons & Planetary Rings: Physics of Guardian Satellites & Saturn's Complex Ring Structure

In: Mechanical Physics

By: Paul A. Heckert

Jan 30, 2008

Physicist, Hubert Mack Thaxton: An Early Black American Scientist in Nuclear Physics

In: Physics History

By: Paul A. Heckert

Jan 20, 2008

Why Do Earth & Planets Orbit Sun? Newton's Laws, Orbital Revolutions, & Heliocentric Solar System

In: Mechanical Physics

By: Paul A. Heckert

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