What is the meaning of Physics?

by Admin on Jan 18, 2017 02:02AM (PST)

Here are some defenitions gathered from the web to help better understand the meaning of physics…


the science of matter and energy and their interactions

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http://www.cogsci.princeton.edu/cgi-bin/webwn

Physics (from the Greek, φυσικός (physikos), “natural”, and φύσις (physis), “Nature”) is the science of Nature in the broadest sense. Physicists study the behavior and properties of matter in a wide variety of contexts, ranging from the sub-microscopic particles from which all neodymium magnets ordinary matter is made (particle physics) to the behavior of the material Universe as a whole (cosmology).
http://en.wikipedia.org/wiki/Physics

the study of matter and energy.
http://www.artsconnected.org/artsnetmn/spaces/vocabulary.html

Discipline of Science dealing with the properties of matter and energy. Includes; acoustics, atomic physics, cryogenics, electromagnetism, elementary particle physics, fluid dynamics, geophysics, mathematical physics, mechanics, molecular physics, nuclear physics, optics, plasma physics, quantum physics, solid state physics, statistical mechanics, thermodynamics.
http://www.embassy.org.nz/encycl/p4encyc.htm

The scientific study of matter, energy, motion, and force. (From a Greek term meaning “the science of nature.”)
http://eobglossary.gsfc.nasa.gov/Library/glossary.php3

The quantity of matter which a body contains, irrespective of its bulk or volume. It is one of four fundamental properties of matter. It is measured in grams in the SI system of measurement. Note Mass and weight are often used, in a general way, as interchangeable terms, since the weight of a body is proportional to its mass (under the same or equal gravitative forces), and the mass is usually ascertained from the weight. Yet the two ideas, mass and weight, are quite distinct. Mass is the quantity of matter in a body; weight is the comparative force with
http://dictionary.new-frontier.info/Mass

The science dealing with the properties, changes, interactions, etc. of matter, and energy in which energy is considered to be continuous (classical) or discrete (quantum)
http://library.thinkquest.org/10401/vocab.html

a science that deals with matter and energy and their actions upon each other in the fields of aeronautics, electricity, heat, light, mechanics, and sound
http://whyfiles.larc.nasa.gov/text/kids/Problem_Board/problems/flight/glossary.html

“The knowledge of things, as they are in their own proper beings, their constitution, properties, and operations …”
http://www.explore-dictionary.com/science/S/Semiotics.html

acoustics; atomic and molecular; condensed matter; elementary particle; nuclear structure; optics; plasma
http://www.nsf.gov/sbe/srs/fedfunds/pubs/dst42/technote/fields.htm

The positively charged central region of an atom, composed of protons and neutrons and containing almost all of the mass of the atom.
http://www.yourdictionary.com/ahd/n/n0188200.html

“Right now the influence of physics appears to be infinite. The products that surround us and the ones being conceived are the results of applying the laws of physics in unique and utilitarian ways. Physics has become the science of our everyday life. ” – [Author]
http://edstar.ncrel.org/mn/MNGrade.asp

Quantification and measurement of physical things in order to describe relationships or laws between them.
http://www.cosmicledger.com/glossary/p.html

the horizontal component of the earth’s magnetic force.
http://www.webster-dictionary.net/definition/horizontal

(a mother of theories) : Grand unification theory | Quantum field theory | String theory | Superstring theory | Theory of relativity | Acoustic theory | Antenna theory | Theory of everything (TOE) | Kaluza-Klein theory | M-theory | Loop quantum gravity theory | special theory of relativity | general theory of relativity | Dynamic theory of gravity | Ether theory
http://encyclopedia.laborlawtalk.com/scientific_theory

History of physics, Physics basic topics, Quantum mechanics ( Quantum chromodynamics), Elementary event
http://www.knowlex.org/lang/en/lexikon/Fundamental_force.html

Kennelly-Heaviside Layer, Mad scientist, Microwave, 1850 in science
http://encyclopedia.thefreedictionary.com/Oliver%20Heaviside

flux density
http://www.wordwebonline.com/en/FLUX

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The physics of the Stoics was, on the whole, identical with their theology, in which the formative power that makes each thing what it is and harmonizes all things was God. The key words in the Stoic vocabulary are all basically synonymous: God, Zeus, creative fire, ether, the word (logos), reason of the world, soul of the world, law of nature, providence, destiny, and order. The Stoics were monists. There is in their physics no qualitative difference between God and the rest of the universe; God is only the most tense (cohesive) creative aspect of the universe. The stuff which
http://zork.cs.uvic.ca/quotes/stoics_encyclopedia.html

Forums is a network of science forums with an emphasis on physics help and math help. Register to post your physics questions or just hang out and talk about general science topics!
http://www.physicsforums.com/physics-glossary-T.html

The study of the properties of
http://matter.nandankanan.tripod.com/scienceterms.htm

Scientific method | Wave-particle duality | Crookes radiometer
http://encyclozine.com/James_Clerk_Maxwell

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View Article  Free Downloadable Physics Presentations by Professor Clint Sprott

by Admin on December 18, 2007 02:01AM (PST)

If you are interested in the subject of physics, and are an audio-visual learner like myself, then you are going to love these downloadable physics presentations online from The Wonders of Physics Website.

They feature over 20 presentations that are very entertaining and Professor Clint Sprott is an amazing and dynamic speaker.  You will watch as he explains various ways that magicians use physics in their tricks and watch as he does magic before your very eyes!

For example, he does experiments like instantly boiling water without even heating it!  Then it instantly freezes!  How was he able to boil something and then turn it into ice?  Well tune into his presentations and get a greater understanding of physics!

If you have the Windows Media Player 9 or later installed, you can videostream the shows directly to your computer for free by clicking the following links:

Tape 1:  2/11/86  54:33  Classical Physics
Tape 2:  6/03/86  51:35  Classical Physics
Tape 3:  2/15/87  58:46  Classical Physics
Tape 4:  2/21/88  58:46  Classical Physics
Tape 5:  6/24/88  28:46  Wonders of Sound
Tape 6:  2/19/89  58:46  Classical Physics
Tape 7:  2/18/90  58:46  Chaos and Randomness
Tape 8:  2/17/91  58:58  Modern Physics
Tape 9:  2/23/92  58:46  Physics of the Weather
Tape 10: 2/21/93  58:46  Tenth Season Celebration
Tape 11: 2/20/94  57:15  Physics of the Body
Tape 12: 2/19/95  57:30  Physics of Energy
Tape 13: 2/18/96  58:15  Classical Physics
Tape 14: 2/16/97  55:23  Physics of Flying
Tape 15: 2/15/98  58:43  Fifteenth Season Celebration
Tape 16: 2/21/99  59:06  Physics of the Late 1800s
Tape 17: 2/20/00  57:59  Physics of the New Millennium
Tape 18: 2/18/01  56:15  Physics of the 21st Century
Tape 19: 2/17/02  57:26  Physics of Transportation
Tape 20: 2/16/03  57:51  Twentieth Season Celebration
Tape 21: 2/15/04  58:20  States of Matter
Tape 22: 2/20/05  58:44  World Year of Physics

Enjoy!

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Tuesday, July 12

View Article  Physicists have used nuclear magnetic resonance to investigate the destructive effects of the crystallization of salt

by Admin on July 12, 2005 10:15PM (PDT)

Salt-weathering is one of the main causes of rock disintegration in nature, particularly in deserts, polar regions and along coastlines. However, it is also a very widespread cause of damage to man-made constructions. Bridges, for example, are attacked by de-icing salts, and cities such as Bahrain, Abu Dhabi and Adelaide are affected by rising damp from high ground-water levels. Indeed, many examples of cultural heritage, including the Islamic sites of Bokhara and Petra in Jordan and the Sphinx in Egypt, may ultimately be destroyed due to the effects of salt-weathering.

Now Lourens Rijniers and colleagues at Eindhoven University in the Netherlands have developed a way to observe the solubility of various salts inside porous materials directly (Phys. Rev. Lett. 94 075503).

To read the full version of this article – and the rest of the May issue of Physics World – please subscribe to their print edition.

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  Using Quantum Physics to Supercharge Your Life

by Admin on July 22, 2005 10:05PM (PDT)

Dr. Robert Anthony Reveals How To Use Quantum Physics To Supercharge Your Life
By: Rick Miller

What secret dreams do you have for your life?

What if you could have anything you want simply by using your mind in a certain revolutionary way?

Undoubtedly, Dr. Robert Anthony, author of 15 best-selling books, including the Beyond Positive Thinking, is the undisputed master of teaching people to manifest their desires and turn them into reality.

Dr. Anthony recently spoke with Tellman Knudson as part of the List Crusade program, a series of audio lessons from over 52 leading self-help gurus and Internet marketing experts.   more »

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Tuesday, June 28

View Article  New Supercomputer Built For Physics Research

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by Admin on June 28, 2005 10:13PM (PDT)

A new computer the RIKEN BNL Research Center supercomputer was unveiled today at a dedication ceremony at the U.S. Department of Energy’s Brookhaven National Laboratory attended by physicists from around the world.

It is called QCDOC for quantum chromodynamics on a chip, and it was designed and built by Brookhaven Lab, Columbia University, IBM, RIKEN — The Institute of Physical and Chemical Research in Japan, and the University of Edinburgh.

The computer has 10 teraflops of peak computing power, which makes it capable of performing 10 trillion arithmetic calculations per second, with sustained speeds of five teraflops.

The $5-million computer took three years to build and is funded by RIKEN, with infrastructure support from DOE’s Office of Science.

Taking up only 100 square feet of floor space, the supercomputer is installed at Brookhaven Lab in the RIKEN-BNL Research Center, a physics research center formed by RIKEN and Brookhaven Lab in 1997. QCDOC achieves its ultra-fast speed by harnessing the power of 12,288 individual computers, each with its own memory and an extremely fast interprocessor communication network. Each processor is constructed on a single silicon chip, so the supercomputer is essentially 12,288 interconnected chips. This simple design leads to a low power requirement of about 100 kilowatts compared to the many megawatts typical of most commercial supercomputers.

QCDOC will be used for physics research for 90 percent of its operating time. With the help of the computer, physicists hope to determine the properties of a state of matter currently under intense study at Brookhaven’s premiere accelerator, the Relativistic Heavy Ion Collider (RHIC). One of the major discoveries emerging from RHIC is the creation of a form of hot, dense (10 to 30 times denser than a nucleon) matter whose properties are consistent with those of a strongly coupled plasma of subatomic quarks and gluons the so-called quark-gluon plasma that existed a few microseconds after the birth of the universe.

Related to this effort, the supercomputer will be used for calculations in quantum chromodynamics the physics theory that describes the interactions of subatomic quarks and gluons. In particular, physicists hope to understand the reason for the existence of six types of quarks that have widely varied masses. With this powerful computer, they can disentangle quarks from their interactions with gluons to gain important data about both particles’ properties.

During the remaining 10 percent of operating time, researchers will use the supercomputer to pursue scientific projects in a variety of fields, including biology and materials science.

The RIKEN-BNL QCDOC is one of three similar computers that have been built by the same team of collaborators. Funded by the Particle Physics and Astronomy Research Council in the United Kingdom, the second computer, now completed and beginning operation, is located at the University of Edinburgh, Scotland. The third, which is funded by DOE’s Office of Science, will be located at Brookhaven Lab and used by a community of U.S. scientists for calculations in quantum chromodynamics. Now undergoing testing, the third QCDOC is due to be ready for operations by summer 2005. Working on related and sometimes different problems using these three supercomputers, researchers hope to make significant contributions in physics and other scientific fields.

Source: Brookhaven National Laboratory

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Friday, April 29

View Article  Quantum cryptography ready for use by real-time applications.

by Admin on April 29, 2005 12:03AM (PDT)

Toshiba Europe has reached the demonstration phase of what it claims is the first system to use quantum cryptography to secure a real-time video and voice data stream.

Developed by a 30-person team of scientists working at the companys Cambridge Research Laboratory , the company says that its immediate plans are to develop the technology for use in specialised video-conferencing systems, where high levels of security are essential.

Longer term, it could also be used to secure the transmission of any other high-bandwidth communication, as well as the movement of large numbers of sensitive files.   more »

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  New Supercomputer Built For Physics Research

by Admin on June 28, 2005 10:13PM (PDT)

A new computer the RIKEN BNL Research Center supercomputer was unveiled today at a dedication ceremony at the U.S. Department of Energy’s Brookhaven National Laboratory attended by physicists from around the world.

It is called QCDOC for quantum chromodynamics on a chip, and it was designed and built by Brookhaven Lab, Columbia University, IBM, RIKEN — The Institute of Physical and Chemical Research in Japan, and the University of Edinburgh.

The computer has 10 teraflops of peak computing power, which makes it capable of performing 10 trillion arithmetic calculations per second, with sustained speeds of five teraflops.

The $5-million computer took three years to build and is funded by RIKEN, with infrastructure support from DOE’s Office of Science.

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Taking up only 100 square feet of floor space, the supercomputer is installed at Brookhaven Lab in the RIKEN-BNL Research Center, a physics research center formed by RIKEN and Brookhaven Lab in 1997. QCDOC achieves its ultra-fast speed by harnessing the power of 12,288 individual computers, each with its own memory and an extremely fast interprocessor communication network. Each processor is constructed on a single silicon chip, so the supercomputer is essentially 12,288 interconnected chips. This simple design leads to a low power requirement of about 100 kilowatts compared to the many megawatts typical of most commercial supercomputers.

QCDOC will be used for physics research for 90 percent of its operating time. With the help of the computer, physicists hope to determine the properties of a state of matter currently under intense study at Brookhaven’s premiere accelerator, the Relativistic Heavy Ion Collider (RHIC). One of the major discoveries emerging from RHIC is the creation of a form of hot, dense (10 to 30 times denser than a nucleon) matter whose properties are consistent with those of a strongly coupled plasma of subatomic quarks and gluons the so-called quark-gluon plasma that existed a few microseconds after the birth of the universe.

Related to this effort, the supercomputer will be used for calculations in quantum chromodynamics the physics theory that describes the interactions of subatomic quarks and gluons. In particular, physicists hope to understand the reason for the existence of six types of quarks that have widely varied masses. With this powerful computer, they can disentangle quarks from their interactions with gluons to gain important data about both particles’ properties.

During the remaining 10 percent of operating time, researchers will use the supercomputer to pursue scientific projects in a variety of fields, including biology and materials science.

The RIKEN-BNL QCDOC is one of three similar computers that have been built by the same team of collaborators. Funded by the Particle Physics and Astronomy Research Council in the United Kingdom, the second computer, now completed and beginning operation, is located at the University of Edinburgh, Scotland. The third, which is funded by DOE’s Office of Science, will be located at Brookhaven Lab and used by a community of U.S. scientists for calculations in quantum chromodynamics. Now undergoing testing, the third QCDOC is due to be ready for operations by summer 2005. Working on related and sometimes different problems using these three supercomputers, researchers hope to make significant contributions in physics and other scientific fields.

Source: Brookhaven National Laboratory

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Sunday, June 26

View Article  New Robotic Arm could be cost-effective alternative to traditional therapy.

by Admin on June 26, 2005 10:20PM (PDT)

Arizona State University researchers and Tempe-based Kinetic Muscles, Inc., have developed a robotic arm to help stroke survivors regain the ability to perform basic tasks, such as reaching for objects or feeding themselves. The rehabilitative device aids in task-oriented repetitive therapy, and the hope is that it will provide a cost-effective alternative to traditional therapy. This would enable a wider population to regain maximum motor function.

Read the full story here.


The Biodesign Institute at Arizona State University integrates research in diverse disciplines including biology, engineering, medicine, physics, information technology and cognitive science. This approach is designed to accelerate discoveries that can be rapidly adopted by the private sector. For information, visit www.biodesign.asu.edu or call ( 480 ) 727-8322.

The Ira A. Fulton School of Engineering not only provides educational experience for engineering, computer science and construction students, it engages in use-inspired research in a multidisciplinary setting to benefit individuals, society and the environment. For more information, visit http://www.fulton.asu.edu.

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