Physics: Most Popular Articles
These articles are the most popular over the last month.
Major Laws of Physics
Physics is the study of the fundamental laws of nature. If you want to know what some of the most important and useful of those laws of physics are, this is where you can find out.
Physics is the study of the fundamental laws of nature. If you want to know what some of the most important and useful of those laws of physics are, this is where you can find out.
Physics
A brief description of the science of physics.
A brief description of the science of physics.
Quantum Physics Overview
This overview of the different aspects of quantum physics is intended to provide some perspective to those new to the subject, so that they can further explore the wonders inherent in this miraculous realm.
This overview of the different aspects of quantum physics is intended to provide some perspective to those new to the subject, so that they can further explore the wonders inherent in this miraculous realm.
Six Simple Machines
There are six kinds of simple machines which have few or none moving parts which provide great mechanical advantage. Learn about these 6 machines and how they are used in your daily lives!
There are six kinds of simple machines which have few or none moving parts which provide great mechanical advantage. Learn about these 6 machines and how they are used in your daily lives!
What is a Photon?
A description of the photon theory of light and what it means, as well as how it developed and its bizarre implications
A description of the photon theory of light and what it means, as well as how it developed and its bizarre implications
Energy
definition of energy
definition of energy
Physics Theories
There are a lot of interesting theories in physics. Matter exists as a state of energy, while waves of
There are a lot of interesting theories in physics. Matter exists as a state of energy, while waves of
Kirchhoff's Laws
Kirchhoff's Laws are some of the most fundamental and important rules in electronics. Kirchhoff's Current Law defines how current is distributed in an electronic circuit, while Kirchhoff's Voltage Lawdefines the distribution of voltage.
Kirchhoff's Laws are some of the most fundamental and important rules in electronics. Kirchhoff's Current Law defines how current is distributed in an electronic circuit, while Kirchhoff's Voltage Lawdefines the distribution of voltage.
Heat Energy
definition of heat energy
definition of heat energy
Newton's Laws of Motion
A basic introduction to Newton's Three Laws of Motion. Each law of motion has important physical and mathematical interpretations needed to analyze most any problem involving the motion of physical objects
A basic introduction to Newton's Three Laws of Motion. Each law of motion has important physical and mathematical interpretations needed to analyze most any problem involving the motion of physical objects
Newton's Law of Gravity
An introduction to the basic principles of the law of gravity, as developed by Newton and revised over the years. This provides the foundation for any significant work in understanding gravity, including its application to planetary motion.
An introduction to the basic principles of the law of gravity, as developed by Newton and revised over the years. This provides the foundation for any significant work in understanding gravity, including its application to planetary motion.
Neutron
definition of a neutron
definition of a neutron
Physics Skills
If someone is interested in physics and wants to pursue it in college and as a career, there are a number of fundamental concepts they must become familiar with.
If someone is interested in physics and wants to pursue it in college and as a career, there are a number of fundamental concepts they must become familiar with.
Induction
definition of electromagnetic induction
definition of electromagnetic induction
The Fields of Physics
An overview of the various fields of physics.
An overview of the various fields of physics.
Velocity
Definition of velocity
Definition of velocity
Schroedinger's Cat
In 1935, Erwin Schroedinger developed a thought experiment which illuminated some of the problems with extending the microscopic concepts of quantum physics into the macroscopic realm. The thought experiment has been used in the years since to highlight the key concepts of quantum physics, ranging from the role of the observer to the meaning of the wave function.
In 1935, Erwin Schroedinger developed a thought experiment which illuminated some of the problems with extending the microscopic concepts of quantum physics into the macroscopic realm. The thought experiment has been used in the years since to highlight the key concepts of quantum physics, ranging from the role of the observer to the meaning of the wave function.
Surface Tension
An explanation of surface tension, along with some basic experiments and tricks that make use of the phenomenon.
An explanation of surface tension, along with some basic experiments and tricks that make use of the phenomenon.
Laws of Thermodynamics
An introduction to the laws of thermodynamics and how they are used to solve problems involving heat or thermal energy transfer.
An introduction to the laws of thermodynamics and how they are used to solve problems involving heat or thermal energy transfer.
Doppler Effect in Light
Learn about the manifestation of the Doppler effect from a moving light source and how the observed light exhibits either a red shift or blue shift to the wavelength and frequency.
Learn about the manifestation of the Doppler effect from a moving light source and how the observed light exhibits either a red shift or blue shift to the wavelength and frequency.
The Big Bang
One of the most impressive theories of the 20th century, the Big Bang explains the origins of the universe ... at least up to a point. Find out what the theory actually says, what it does not say, and what it may or may not say.
One of the most impressive theories of the 20th century, the Big Bang explains the origins of the universe ... at least up to a point. Find out what the theory actually says, what it does not say, and what it may or may not say.
Temperature
definition of temperature
definition of temperature
The Photoelectric Effect
A description of the photoelectric effect and its significance, which includes crushing the classical wave theory of light, Einstein's first publication, Einstein's only Nobel Prize, and one of the major steps in developing quantum mechanics.
A description of the photoelectric effect and its significance, which includes crushing the classical wave theory of light, Einstein's first publication, Einstein's only Nobel Prize, and one of the major steps in developing quantum mechanics.
Time Travel
: Is Time Travel Possible? You'd be amazed how often I get questions about strange physics concepts,
: Is Time Travel Possible? You'd be amazed how often I get questions about strange physics concepts,
Voltage
Definition of Voltage
Definition of Voltage
Density
Density is a key concept in analyzing how materials interact in fluid mechanics, weather, geology, material sciences, engineering, and other fields of physics.
Density is a key concept in analyzing how materials interact in fluid mechanics, weather, geology, material sciences, engineering, and other fields of physics.
Vector Mathematics
Here you will be introduced to the mathematics necessary for the manipulation of vector quantities, which have both a magnitude and direction. Vectors are used throughout physics, so an understanding of these concepts is important to solve many physics problems.
Here you will be introduced to the mathematics necessary for the manipulation of vector quantities, which have both a magnitude and direction. Vectors are used throughout physics, so an understanding of these concepts is important to solve many physics problems.
Quantum Computer
Quantum physics allows for many wondrous things, but perhaps none will have more impact than quantum computing ... if anyone ever builds a quantum computer that works (for more than a few nanoseconds).
Quantum physics allows for many wondrous things, but perhaps none will have more impact than quantum computing ... if anyone ever builds a quantum computer that works (for more than a few nanoseconds).
Current
definition of current
definition of current
Transistor
Understand how a transistor functions, and how its design incorporates into an overall electronic circuit.
Understand how a transistor functions, and how its design incorporates into an overall electronic circuit.
Entropy
definition of entropy
definition of entropy
Matter
definition of matter
definition of matter
What is String Theory?
String theory is an emerging theory that attempts to explain physics in term of a multi-dimensional universe, where the dimensions of space and time that we observe is a result of vibrations of microscopic energy strings in other dimensions.
String theory is an emerging theory that attempts to explain physics in term of a multi-dimensional universe, where the dimensions of space and time that we observe is a result of vibrations of microscopic energy strings in other dimensions.
Five Great Problems
In his controversial 2006 book The Trouble with Physics: The Rise of String Theory, the Fall of a Science,
In his controversial 2006 book The Trouble with Physics: The Rise of String Theory, the Fall of a Science,
Time Reborn by Lee Smolin
A book review of the sure-to-be-controversial book TIME REBORN, by theoretical physicist Lee Smolin, which focuses on the
A book review of the sure-to-be-controversial book TIME REBORN, by theoretical physicist Lee Smolin, which focuses on the
Fundamental Forces of Physics
An overview of the four fundamental forces of physics and why they are so fundamental.
An overview of the four fundamental forces of physics and why they are so fundamental.
Physics of a Car Collision
In physics, the distinction between the concepts of energy and force can be very subtle, but important. Energy is an absolute measure of the system, whereas the force is specifically related to the set-up of the situation.
In physics, the distinction between the concepts of energy and force can be very subtle, but important. Energy is an absolute measure of the system, whereas the force is specifically related to the set-up of the situation.
Force
Definition of force, how force applies to physics
Definition of force, how force applies to physics
Theory of Relativity
An overview of Einstein's Theory of Relativity. Learn about special relativity & general relativity, including the Lorentz transformations that make them possible.
An overview of Einstein's Theory of Relativity. Learn about special relativity & general relativity, including the Lorentz transformations that make them possible.
Does Time Exist?
Some people wonder if time really exists. I explain what we know about time.
Some people wonder if time really exists. I explain what we know about time.
The Compton Effect
The Compton effect, where the energy of a photon decreased upon interaction with matter, is another experiment that demonstrated the particle properties of electromagnetic radiation.
The Compton effect, where the energy of a photon decreased upon interaction with matter, is another experiment that demonstrated the particle properties of electromagnetic radiation.
Visible Light Spectrum
The visible light spectrum is the range of electromagnetic radiation that we are most familiar with. Here you can learn even more about it!
The visible light spectrum is the range of electromagnetic radiation that we are most familiar with. Here you can learn even more about it!
Double Slit Experiment
Learn about Young's Double Slit experiment, where interference patterns seem to prove the wave theory of light. But there's way more to this simple experiment than meets the eye. We'll explain the original experiment and its quantum mechanical permutations.
Learn about Young's Double Slit experiment, where interference patterns seem to prove the wave theory of light. But there's way more to this simple experiment than meets the eye. We'll explain the original experiment and its quantum mechanical permutations.
Wave Particle Duality
We explore wave particle duality: the particle properties of waves and the wave particles of particles. What do these strange properties mean? How can we use them to understand physics?
We explore wave particle duality: the particle properties of waves and the wave particles of particles. What do these strange properties mean? How can we use them to understand physics?
What is a Black Hole?
A black hole is a curvature of spacetime geometry due to an intense gravitational field. The effects of a black hole are so extreme that even light cannot escape it, thus the name.
A black hole is a curvature of spacetime geometry due to an intense gravitational field. The effects of a black hole are so extreme that even light cannot escape it, thus the name.
Kinetic Energy
Kinetic energy is the energy of motion, a concept which is used widely in physics to solve problems involving changes in motion.
Kinetic energy is the energy of motion, a concept which is used widely in physics to solve problems involving changes in motion.
Fundamentals of Particles
A brief outline of the types of fundamental particles which are studied in elementary particle physics.
A brief outline of the types of fundamental particles which are studied in elementary particle physics.
Quantum Levitation
It has long been a dream of science (or, at least, science fiction) to create machines that could fly and levitate. This can be done with magnets, of course, but takes a great deal of energy. In recent years, the new phenomenon of quantum levitation has given some possible hope that levitation may be more practical than previously believed.
It has long been a dream of science (or, at least, science fiction) to create machines that could fly and levitate. This can be done with magnets, of course, but takes a great deal of energy. In recent years, the new phenomenon of quantum levitation has given some possible hope that levitation may be more practical than previously believed.
Doppler Radar
A description of the physical principle behind Doppler radar.
A description of the physical principle behind Doppler radar.
Plasma
Definition of plasma
Definition of plasma
Heat Transfer
How does heat transfer? What methods are most or least efficient? What are the effects of heat transfer?
How does heat transfer? What methods are most or least efficient? What are the effects of heat transfer?
Quantum Entanglement
One of the key principles in quantum physics is the idea of quantum entanglement, where multiple objects exist in states that are linked together
One of the key principles in quantum physics is the idea of quantum entanglement, where multiple objects exist in states that are linked together
Thermodynamics Overview
Information on the field of thermodynamics, from the basics of temperature to kinetic theory to the laws of thermodynamics.
Information on the field of thermodynamics, from the basics of temperature to kinetic theory to the laws of thermodynamics.
Mass
Definition of mass
Definition of mass
Galileo Galilei
Galileo Galilei is considered by many to be the father of experimental science. His work laid the foundation for modern physics by defining physical properties in coherent mathematical terms, and establishing principles which Newton would later use to create a coherent theoretical framework for classical physics.
Galileo Galilei is considered by many to be the father of experimental science. His work laid the foundation for modern physics by defining physical properties in coherent mathematical terms, and establishing principles which Newton would later use to create a coherent theoretical framework for classical physics.
Acceleration
Definition of acceleration
Definition of acceleration
Why Study Physics?
Why should you study physics? What is the use of a physics education? If you aren't going to become a physicist, you may have questions such as these ... but there are good reasons for everyone to study physics.
Why should you study physics? What is the use of a physics education? If you aren't going to become a physicist, you may have questions such as these ... but there are good reasons for everyone to study physics.
Speed
Definition of speed
Definition of speed
Work
Definition of work
Definition of work
Thermodynamic Process
What is a thermodynamic process? How can it be used to analyze the energy within a system? These and more questions are answered here.
What is a thermodynamic process? How can it be used to analyze the energy within a system? These and more questions are answered here.
Sublimation
definition of sublimation
definition of sublimation
Superconductor
definition of a superconductor
definition of a superconductor
The Scientific Method
This introduction illuminates the main principles of the scientific method, as well as hypothesis creation and testing procedures that are used in executing the scientific method.
This introduction illuminates the main principles of the scientific method, as well as hypothesis creation and testing procedures that are used in executing the scientific method.
Isothermal Process
definition of an isothermal process
definition of an isothermal process
Fundamental Physical Constants
A list of the fundamental physical constants used in physics problems.
A list of the fundamental physical constants used in physics problems.
Huygens' Principle
We explain Huygens' Principle of wave diffraction, which is applied in many experiments with sound and light.
We explain Huygens' Principle of wave diffraction, which is applied in many experiments with sound and light.
Mad Scientist Costume
Learn how to create a great mad scientist costume.
Learn how to create a great mad scientist costume.
Unified Field Theory
: What is Unified Field Theory? : Albert Einstein coined the term "Unified Field Theory," which describes
: What is Unified Field Theory? : Albert Einstein coined the term "Unified Field Theory," which describes
Potential energy
Definition of potential energy
Definition of potential energy
De Broglie Hypothesis
We discuss the De Broglie hypothesis, which proposes that all matter exhibits wave-like properties and relates the observed wavelength of matter to its momentum.
We discuss the De Broglie hypothesis, which proposes that all matter exhibits wave-like properties and relates the observed wavelength of matter to its momentum.
Adiabatic Process
definition of an adiabatic process
definition of an adiabatic process
Stephen Hawking
Physicist and cosmologist Stephen Hawking is probably one of the most popular modern physicists, mostly because of his popular bestselling book describing the state of cosmology and astrophysics and appearances on popular entertainment shows ... oh, and Hawking's quite a bright physicist who has revolutionized our understanding of black holes.
Physicist and cosmologist Stephen Hawking is probably one of the most popular modern physicists, mostly because of his popular bestselling book describing the state of cosmology and astrophysics and appearances on popular entertainment shows ... oh, and Hawking's quite a bright physicist who has revolutionized our understanding of black holes.
Nuclear Fission
Definition of nuclear fission
Definition of nuclear fission
Ice Diet
Does the Ice Diet work? Find out the reasons why the ice diet, which is based on calories burned by warming water, doesn't actually work the way so many think it should.
Does the Ice Diet work? Find out the reasons why the ice diet, which is based on calories burned by warming water, doesn't actually work the way so many think it should.
Inertia
Definition of inertia
Definition of inertia
Wormhole
definition of a wormhole
definition of a wormhole
What is Quantum Gravity?
Quantum gravity is an attempt to unify Einstein's theory of general relativity with quantum physics. In essence, it tries to unify the four fundamental forces of physics into a coherent whole. It is also called unified field theory.
Quantum gravity is an attempt to unify Einstein's theory of general relativity with quantum physics. In essence, it tries to unify the four fundamental forces of physics into a coherent whole. It is also called unified field theory.
Bell's Theorem
Bell's Theorem is the theorem in quantum physics which helped solidify the idea that the interactions in quantum physics between entangled particles are instantaneous and non-local in nature.
Bell's Theorem is the theorem in quantum physics which helped solidify the idea that the interactions in quantum physics between entangled particles are instantaneous and non-local in nature.
Inflation Theory
Inflation theory is the idea in cosmology that in the very early stages after the universe's creation it underwent a rapid expansion, the effects of which can still be seen in the universe today.
Inflation theory is the idea in cosmology that in the very early stages after the universe's creation it underwent a rapid expansion, the effects of which can still be seen in the universe today.
Quark
definition of quark, one of the fundamental particles in physics. Quarks compose protons and neutrons.
definition of quark, one of the fundamental particles in physics. Quarks compose protons and neutrons.
Physics Myths
A list of popular physics myths.
A list of popular physics myths.
Wave Interference
The principle of superposition governs how waves interact, resulting in interference and diffraction. Here you can learn about constructive and destructive interference, as well as manifestations of interference and diffraction.
The principle of superposition governs how waves interact, resulting in interference and diffraction. Here you can learn about constructive and destructive interference, as well as manifestations of interference and diffraction.
Twin Paradox
Learn about the twin paradox, a famous thought experiment in physics (and science fiction) which demonstrates one of the only ways for time travel
Learn about the twin paradox, a famous thought experiment in physics (and science fiction) which demonstrates one of the only ways for time travel
Physics Movie List
A list of films which prominently feature physics or physicists, generally in an inspiring (and entertaining) way.
A list of films which prominently feature physics or physicists, generally in an inspiring (and entertaining) way.
Power
Definition of power
Definition of power
EPR Paradox
Definition of the EPR Paradox
Definition of the EPR Paradox
Viscosity
definition of viscosity
definition of viscosity
Wave Properties
Waves have certain unique mathematical properties, which require some specific methods of analysis. Here you'll learn everything you need about amplitude, frequency, wavelength and other wave properties.
Waves have certain unique mathematical properties, which require some specific methods of analysis. Here you'll learn everything you need about amplitude, frequency, wavelength and other wave properties.
Content of the Universe
A pie chart representing the different types of material that make up the universe.
A pie chart representing the different types of material that make up the universe.
Types of Parallel Universes
Physicists often talk about parallel universes, but what exactly does this mean? Are there different types of parallel universes? What are they?
Physicists often talk about parallel universes, but what exactly does this mean? Are there different types of parallel universes? What are they?
Albert Einstein
A brief overview of Albert Einstein's life and work, as well as other information surrounding the popular scientific figure.
A brief overview of Albert Einstein's life and work, as well as other information surrounding the popular scientific figure.
Hawking Radiation
Hawking radiation is an explanation of how radiation can be emitted from a black hole, despite its attractive power, due to quantum effects.
Hawking radiation is an explanation of how radiation can be emitted from a black hole, despite its attractive power, due to quantum effects.
Rocket Balloon
We explain how to create a rocket balloon using common household items, and what makes it move. Learn the wonders of the rocket balloon!
We explain how to create a rocket balloon using common household items, and what makes it move. Learn the wonders of the rocket balloon!
Quantum God
: Does Quantum Physics Prove God's Existence? The observer effect in quantum mechanics indicates that
: Does Quantum Physics Prove God's Existence? The observer effect in quantum mechanics indicates that
Proton
Definition of a proton
Definition of a proton
Vector
Definition of a vector
Definition of a vector
Many Worlds Interpretation
One of the most intriguing concepts in physics is the many worlds interpretation of quantum physics, which proposes that each possible outcome for any event takes place in an ever-branching series of realities.
One of the most intriguing concepts in physics is the many worlds interpretation of quantum physics, which proposes that each possible outcome for any event takes place in an ever-branching series of realities.
Laser
definition of a laser
definition of a laser
Absolute Zero
definition of absolute zero
definition of absolute zero
Nuclear Fusion
Definition of nuclear fusion
Definition of nuclear fusion
Speed of Light
It's often said that the theory of relativity prohibits anything from moving faster than the speed of light. Is this really true? Find out what relativity really says about the speed of light.
It's often said that the theory of relativity prohibits anything from moving faster than the speed of light. Is this really true? Find out what relativity really says about the speed of light.
Sir Isaac Newton
Sir Isaac Newton is one of the most significant physicists in western history. Considered the founder of classical physics, he took the disparate concepts that existed at his time and brought them together into a cohesive field of study.
Sir Isaac Newton is one of the most significant physicists in western history. Considered the founder of classical physics, he took the disparate concepts that existed at his time and brought them together into a cohesive field of study.
Formulating a Hypothesis
Information on formulating a scientific hypothesis. Here you will also find discussions of models, theories, and laws, as well as the differences between them.
Information on formulating a scientific hypothesis. Here you will also find discussions of models, theories, and laws, as well as the differences between them.
Torque
Definition of torque
Definition of torque
Life and Death of a Star
Stars don't last forever. Why do stars burn? What happens when a star dies? How does its collapse manifest?
Stars don't last forever. Why do stars burn? What happens when a star dies? How does its collapse manifest?
Nanotechnology
Nanotechnology is a growing, dynamic field of research involving tiny nanoparticles, which are much smaller in width than a human hair. Here you'll learn the definition of nanotechnology, as well as some of its history.
Nanotechnology is a growing, dynamic field of research involving tiny nanoparticles, which are much smaller in width than a human hair. Here you'll learn the definition of nanotechnology, as well as some of its history.
Electromagnetic Spectrum
The electromagnetic spectrum of light spans from radio waves to gamma rays, including that band of colors that we're most familiar with: visible light.
The electromagnetic spectrum of light spans from radio waves to gamma rays, including that band of colors that we're most familiar with: visible light.
Dry Ice
A description of the physics of dry ice and how it is used to create smoke and fog.
A description of the physics of dry ice and how it is used to create smoke and fog.
Isobaric Process
definition of an isobaric process
definition of an isobaric process
Physics Blogs
Some scientists and commentators have taken to the blogosphere to write blogs about physics. Here is a list of some of the most prominent physics blogs.
Some scientists and commentators have taken to the blogosphere to write blogs about physics. Here is a list of some of the most prominent physics blogs.
Time Dilation
definition of time dilation
definition of time dilation
Niels Bohr
Information about the physicist Niels Bohr, who was key in the development of quantum physics. Bohr devised the simplified Bohr model of the hydrogen atom. He was central to the development of the Copenhagen interpretation of quantum physics.
Information about the physicist Niels Bohr, who was key in the development of quantum physics. Bohr devised the simplified Bohr model of the hydrogen atom. He was central to the development of the Copenhagen interpretation of quantum physics.
Meissner Effect
Definition of the Meissner Effect
Definition of the Meissner Effect
One-Dimensional Motion
Learn the necessary equations and relationship to analyze one-dimensional motion, such as a car driving on a flat road or a free-falling body, especially in the case of a constant acceleration
Learn the necessary equations and relationship to analyze one-dimensional motion, such as a car driving on a flat road or a free-falling body, especially in the case of a constant acceleration
Rubber Band Flying Machines
This book and kit contains all the instructions and parts needed to construct three different flying machines that are powered by rubber bands.
This book and kit contains all the instructions and parts needed to construct three different flying machines that are powered by rubber bands.
Significant Figures
When measuring physical quantities, scientists have to keep track of their level of precision. This article will discuss how scientists use significant figures to do just that, and how you can use significant figures without error in your work. It also discusses the role of scientific notation in making large and small numbers manageable.
When measuring physical quantities, scientists have to keep track of their level of precision. This article will discuss how scientists use significant figures to do just that, and how you can use significant figures without error in your work. It also discusses the role of scientific notation in making large and small numbers manageable.
Oscillation
Definition of oscillation
Definition of oscillation
Dark Matter
Definition of dark matter.
Definition of dark matter.
Dark Energy
Definition of dark energy
Definition of dark energy
Impulse
Definition of impulse
Definition of impulse
Free-Body Diagrams
The first step in most physics problems is drawing a free-body diagram. This article will provide you with the necessary information to tackle this process and use it effectively to help in physics problem-solving.
The first step in most physics problems is drawing a free-body diagram. This article will provide you with the necessary information to tackle this process and use it effectively to help in physics problem-solving.
Blackbody Radiation
Research in blackbody radiation created a major dilemma for classical physics. The problem was resolved by Max Planck in 1900 by introducing the concepts which laid the foundation for all of quantum mechanics.
Research in blackbody radiation created a major dilemma for classical physics. The problem was resolved by Max Planck in 1900 by introducing the concepts which laid the foundation for all of quantum mechanics.
Physics Errors in The Secret
The popular self-empowerment book The Secret says a lot of interesting things, and some of them are about physics. Unfortunately for the authors, most of the physics claims are just flat wrong ... or, at the very least, misleading.
The popular self-empowerment book The Secret says a lot of interesting things, and some of them are about physics. Unfortunately for the authors, most of the physics claims are just flat wrong ... or, at the very least, misleading.
Loop Quantum Gravity
Loop quantum gravity explains the universe in terms of tangles in spacetime.
Loop quantum gravity explains the universe in terms of tangles in spacetime.
Electron
definition of electron - electron as a fundamental physics particle
definition of electron - electron as a fundamental physics particle
Dimensional Analysis
Dimensional analysis is a process by which you can use the units of certain values to help figure out how to achieve the solution you need. Learn how to use dimensional analysis to help you solve physics problems.
Dimensional analysis is a process by which you can use the units of certain values to help figure out how to achieve the solution you need. Learn how to use dimensional analysis to help you solve physics problems.
Higgs Boson
definition of a Higgs Boson
definition of a Higgs Boson
brane
Definition of a brane
Definition of a brane
Bose-Einstein Condensate
Definition of the Bose-Einstein condensate.
Definition of the Bose-Einstein condensate.
Michelson-Morley Experiment
The Michelson-Morley experiment was a series of experiments that attempted to measure the motion of the Earth relative to the ether. Instead, it measured that the Earth did not move at all relative to the ether, indicating that something was wrong with the scientific idea of the ether in the 1800s.
The Michelson-Morley experiment was a series of experiments that attempted to measure the motion of the Earth relative to the ether. Instead, it measured that the Earth did not move at all relative to the ether, indicating that something was wrong with the scientific idea of the ether in the 1800s.
Condensation
definition of condensation
definition of condensation
Albert Einstein Books
A list of diverse books that focus on Albert Einstein's life and work.
A list of diverse books that focus on Albert Einstein's life and work.
Spectroscopy
Definition of spectroscopy
Definition of spectroscopy
Common Densities
Find out the density of common substances.
Find out the density of common substances.
Electronics Overview
Profile of the field of electronics
Profile of the field of electronics
Muon
definition of a muon particle
definition of a muon particle
Phase Diagram
definition of phase diagram
definition of phase diagram
States of Matter
Learn about the various states of matter and the physical laws that govern them, such as phase transitions.
Learn about the various states of matter and the physical laws that govern them, such as phase transitions.
Higgs Field
What is the Higgs field? It's the theoretical field that supposedly gives fundamental particles their mass. On July 4, 2012, CERN physicists indicated that they may have found experimental evidence of it.
What is the Higgs field? It's the theoretical field that supposedly gives fundamental particles their mass. On July 4, 2012, CERN physicists indicated that they may have found experimental evidence of it.
SI Units
Physics uses the International System of Measurements (SI), as does most of science. This introduction to the SI units provides a foundation for the units that are used to quantify the physical qualities of the universe.
Physics uses the International System of Measurements (SI), as does most of science. This introduction to the SI units provides a foundation for the units that are used to quantify the physical qualities of the universe.
Quantum Parallelism
definition of quantum parallelism
definition of quantum parallelism
Richard P. Feynman
An overview of general information about physicist Richard P. Feynman.
An overview of general information about physicist Richard P. Feynman.
A Universe From Nothing
In his 2012 book, cosmologist Lawrence Krauss explains how modern science explains the mechanism for the universe to come into creation from nothingness.
In his 2012 book, cosmologist Lawrence Krauss explains how modern science explains the mechanism for the universe to come into creation from nothingness.
Top Picks - 2012 Physics Books
Top picks among the physics books released in 2012
Top picks among the physics books released in 2012
Quantum Enigma
Quantum Enigma is an enjoyable, expansive, and clear look at quantum theory, its various interpretations,
Quantum Enigma is an enjoyable, expansive, and clear look at quantum theory, its various interpretations,
Doppler Effect
The Doppler effect takes place when source or observer of waves (generally sound) are moving, creating an alteration in the perceived frequency.
The Doppler effect takes place when source or observer of waves (generally sound) are moving, creating an alteration in the perceived frequency.
Conduction
definition of conduction
definition of conduction
Heisenberg Uncertainty Principle
What is the Heisenberg Uncertainty Principle? This amazing principle is at the heart of one of the most unusual aspects of quantum physics, the idea that it's not possible to acquire an infinite degree of precision when measuring certain physical quantities. How and why does it work this way?
What is the Heisenberg Uncertainty Principle? This amazing principle is at the heart of one of the most unusual aspects of quantum physics, the idea that it's not possible to acquire an infinite degree of precision when measuring certain physical quantities. How and why does it work this way?
Isochoric Process
definition of an isochoric process
definition of an isochoric process
Momentum
Definition of momentum
Definition of momentum