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Participate in expert physics discussion. Discussion on the nature and properties of matter and energy. This area is for topics that don't fit the other categories. Mainstream physics only.

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Undergrad What is the cause of an increase in volume (audio)

Marcus27
Jan 25, 2015 · Replies 1 · Jan 25, 2015

Replies: 1

Undergrad Link between harmonic functions and harmonic oscillators?

Navierstoked
Jan 24, 2015 · Replies 3 · Jan 25, 2015

Replies: 3

High School Applying Physics to find lost pet

FLATAN
Jan 14, 2015 · Replies 23 · Jan 24, 2015

Replies: 23

High School What is fractional uncertainty mean?

CKaiL
Jan 24, 2015 · Replies 1 · Jan 24, 2015

Replies: 1

Graduate Martial Arts and Physics (TKD to Fencing)

vilechylde
Jan 12, 2015 · Replies 13 · Jan 23, 2015

Replies: 13

High School Radius of curvature using spherometer

leojun
Jan 23, 2015 · Replies 6 · Jan 23, 2015

Replies: 6

Undergrad Can a travelling wave be nonlinear?

shanepitts
Jan 22, 2015 · Replies 3 · Jan 22, 2015

Replies: 3

High School Which Formula Correctly Converts Celsius to Fahrenheit?

terp.asessed
Jan 22, 2015 · Replies 7 · Jan 22, 2015

Replies: 7

Undergrad Why Does O₂ & O₃ Stay in the Stratosphere?

Suraj M
Jan 21, 2015 · Replies 2 · Jan 21, 2015

Replies: 2

Undergrad Historical and Current Attitudes in the Scientific Community

Aaron Hampton
Jan 20, 2015 · Replies 19 · Jan 20, 2015

Replies: 19

High School The role of math in physics more or less

TEVSET
Jan 15, 2015 · Replies 10 · Jan 20, 2015

Replies: 10

High School Learning from the mistakes and failed experiments of science

Aaron Hampton
Jan 18, 2015 · Replies 4 · Jan 19, 2015

Replies: 4

High School Why does the air we breath float on Earth?

themadquark
Mar 20, 2014 · Replies 7 · Jan 18, 2015

Replies: 7

High School Russian soliders dropped from planes without parachutes?

Stephen Tashi
Jan 15, 2015 · Replies 5 · Jan 18, 2015

Replies: 5

Graduate Want to Learn More About the Einstein de Haas Effect?

epdo_xero
Jan 18, 2015 · Replies 1 · Jan 18, 2015

Replies: 1

Graduate Units of plancks law in terms of wavelength

Hypatio
Jan 17, 2015 · Replies 1 · Jan 17, 2015

Replies: 1

Find Physicists' Published Papers: Max Planck, Ludwig Boltzmann

jjustinn
Jan 16, 2015 · Replies 3 · Jan 16, 2015

Replies: 3

Undergrad Can vibration be used to uniformly mix a solution?

MotionStudy
Jan 13, 2015 · Replies 2 · Jan 14, 2015

Replies: 2

High School The basis for all things that exist

Yangyin
Jan 13, 2015 · Replies 3 · Jan 13, 2015

Replies: 3

Graduate Half the size and mass, stronger force of gravity?

PaulMango
Jan 13, 2015 · Replies 9 · Jan 13, 2015

Replies: 9

Undergrad Can Breathing Through a Tube Create Powerful Force for Tasks?

ericwatts214
Jan 12, 2015 · Replies 3 · Jan 13, 2015

Replies: 3

Graduate How did error analysis evolve over time?

Measurer
Jan 10, 2015 · Replies 7 · Jan 12, 2015

Replies: 7

Undergrad Are Our Understandings of Cyclone Separators Misguided?

styart
Jan 12, 2015 · Replies 2 · Jan 12, 2015

Replies: 2

APS Journals Available At US Public Libraries

ZapperZ
Jul 29, 2010 · Replies 1 · Jan 10, 2015

Replies: 1

High School Is Fire or Electricity Considered a State of Matter?

ubergewehr273
Nov 25, 2014 · Replies 3 · Jan 10, 2015

Replies: 3

Undergrad Why Does a Brass Tube's Resonance Only Produce Overtones?

fregor
Jan 9, 2015 · Replies 4 · Jan 10, 2015

Replies: 4

Undergrad What Are the Limitations of Modern Batteries?

WCOLtd
Jan 9, 2015 · Replies 2 · Jan 9, 2015

Replies: 2

Graduate Kikuchi lines Vs Kikuchi bands (EBSD in SEM)

antonni
Oct 18, 2014 · Replies 2 · Jan 9, 2015

Replies: 2

What are the Feynman Lectures on Physics and where can I find them?

WCOLtd
Jan 7, 2015 · Replies 1 · Jan 7, 2015

Replies: 1

High School Why were complex numbers introduced in physics?

physior
Jan 6, 2015 · Replies 32 · Jan 7, 2015

2

Replies: 32

Graduate How many variables to describe a system?

query_ious
Jan 5, 2015 · Replies 10 · Jan 6, 2015

Replies: 10

Physics & Poetry: Is Dirac Right?

SpaceNerdz
Dec 11, 2014 · Replies 22 · Jan 5, 2015

Replies: 22

Undergrad What's the best device for measuring angles?

Dorea
Jan 4, 2015 · Replies 11 · Jan 5, 2015

Replies: 11

Undergrad Lesser the radius the lesser the volume. Why?

avito009
Jan 4, 2015 · Replies 2 · Jan 5, 2015

Replies: 2

Why Did MIT Sever Ties with Walter Lewin?

nsaspook
Dec 11, 2014 · Replies 145 · Jan 4, 2015

5

Replies: 145

Graduate Physical significance of an equation of wave

arpon
Jan 4, 2015 · Replies 1 · Jan 4, 2015

Replies: 1

Who wants a chat? Preferably about Physics

LachyP
Jan 3, 2015 · Replies 5 · Jan 3, 2015

Replies: 5

Congratulations Prof Mildred Dresselhaus

Astronuc
Jan 1, 2015 · Replies 1 · Jan 1, 2015

Replies: 1

Undergrad Is physics utilized in AI research? If so, how?

jaskamiin
Dec 31, 2014 · Replies 2 · Dec 31, 2014

Replies: 2

Graduate Spaghetti Breaking at 250k FPS: Watch the Amazing Footage

A.T.
Dec 30, 2014 · Replies 1 · Dec 30, 2014

Replies: 1

What intinitally got you interested in physics?

Niaboc67
Dec 12, 2014 · Replies 23 · Dec 30, 2014

Replies: 23

High School Define a location of a non-point object

Quarlep
Dec 29, 2014 · Replies 4 · Dec 29, 2014

Replies: 4

High School Understanding the Elusive Nature of Mass: Can it Really be Destroyed?

Ravi4213
Dec 29, 2014 · Replies 8 · Dec 29, 2014

Replies: 8

High School What is Information? Understanding the Basics and Importance

Zez4eva4
Dec 27, 2014 · Replies 6 · Dec 28, 2014

Replies: 6

Is there video recordings of "Feynman Lectures on physics"?

Ahmed Abdullah
Dec 26, 2014 · Replies 3 · Dec 27, 2014

Replies: 3

Graduate Coordinate transform from sensor to North East Down frame

9988776655
Dec 26, 2014 · Replies 1 · Dec 27, 2014

Replies: 1

Life on a Cubical Earth: Imagining Gravity and Everyday Challenges

AdityaDev
Dec 26, 2014 · Replies 11 · Dec 26, 2014

Replies: 11

Undergrad What is the Measurement for G, ħ & c?

Garrulo
Dec 26, 2014 · Replies 2 · Dec 26, 2014

Replies: 2

High School What Are the Non-Invasive Methods to See Inside Objects?

physior
Dec 22, 2014 · Replies 8 · Dec 22, 2014

Replies: 8

Undergrad Yaw Pitch & Roll to spherical Theta & Phi

Hadar Szostak
Dec 20, 2014 · Replies 4 · Dec 20, 2014

Replies: 4

Undergrad Understanding Phase Difference between y1=a. sin(ω.t) and y2=a. sin(ω.t + φ)

Miraj Kayastha
Dec 20, 2014 · Replies 2 · Dec 20, 2014

Replies: 2

Undergrad Local and integral physical quantities

cseil
Dec 16, 2014 · Replies 4 · Dec 19, 2014

Replies: 4

Undergrad Why the transfer function is represented in S Domain?

Raj
Dec 18, 2014 · Replies 2 · Dec 19, 2014

Replies: 2

Graduate Are there limits to human/devices perception?

DarkFalz
Dec 15, 2014 · Replies 27 · Dec 18, 2014

Replies: 27

Why nobel prize is awarded for blue led invention .?

Ganesh Ujwal
Dec 14, 2014 · Replies 15 · Dec 16, 2014

Replies: 15

How can I quickly and efficiently demoisturize air?

physior
Dec 15, 2014 · Replies 7 · Dec 15, 2014

Replies: 7

Undergrad Conceptual question about (GEM forces)

Herjap
Dec 14, 2014 · Replies 3 · Dec 14, 2014

Replies: 3

Graduate What are Feynman and Dirac discussing in their conversation?

Ravi Mohan
Dec 12, 2014 · Replies 2 · Dec 14, 2014

Replies: 2

Graduate How to calculate error propagation for several measurements?

jinawee
Dec 12, 2014 · Replies 6 · Dec 12, 2014

Replies: 6

High School N00b question about understanding what formulas are

Niaboc67
Dec 11, 2014 · Replies 7 · Dec 11, 2014

Replies: 7

High School Which Movies Best Illustrate Science Concepts for Your Classroom Project?

velocitysc43
Dec 11, 2014 · Replies 2 · Dec 11, 2014

Replies: 2

Undergrad Rate of loss of mass of a meteorite

PeterH
Dec 10, 2014 · Replies 7 · Dec 11, 2014

Replies: 7

Undergrad Difference between Auto- and Cross-correlation function

shayaan_musta
Dec 4, 2014 · Replies 3 · Dec 10, 2014

Replies: 3

How much of a rip-off are varifocals?

sophiecentaur
Dec 5, 2014 · Replies 13 · Dec 9, 2014

Replies: 13

Encouraging my brother's growing interest in physics.

Cathmore
Dec 8, 2014 · Replies 3 · Dec 8, 2014

Replies: 3

High School Learn Problem Solving Through Drawings & Sketches

mateosrica
Dec 6, 2014 · Replies 8 · Dec 8, 2014

Replies: 8

High School Does experiencing a static shock mean that you are grounded?

rasen58
Dec 6, 2014 · Replies 9 · Dec 8, 2014

Replies: 9

High School What Are Forced Oscillations and How Do They Work?

gracy
Dec 6, 2014 · Replies 17 · Dec 8, 2014

Replies: 17

Can You Access Einstein's Papers Online?

jedishrfu
Dec 6, 2014 · Replies 5 · Dec 7, 2014

Replies: 5

High School What Are the Essential Concepts Every Physicist Should Know?

iknowsigularity
Dec 7, 2014 · Replies 2 · Dec 7, 2014

Replies: 2

Undergrad Finding out what are the recent problems

ShayanJ
Dec 6, 2014 · Replies 7 · Dec 7, 2014

Replies: 7

Novels About Physics: Find Your Next Read!

rania yassin
Dec 4, 2014 · Replies 8 · Dec 6, 2014

Replies: 8

Who Will Win the 2014 Nobel Prize in Physics?

jtbell
Oct 6, 2014 · Replies 73 · Dec 5, 2014

3

Replies: 73

High School Understanding the Difference Between Pitch & Volume

gracy
Dec 5, 2014 · Replies 25 · Dec 5, 2014

Replies: 25

Undergrad Facing problem in analysing Taylor series expansion

bibhatsucool
Dec 5, 2014 · Replies 1 · Dec 5, 2014

Replies: 1

High School How many ways can you determine density?

MarchON
Dec 3, 2014 · Replies 3 · Dec 3, 2014

Replies: 3

High School What does Wavelength/degree mean?

bitencrypt
Dec 1, 2014 · Replies 9 · Dec 3, 2014

Replies: 9

The General Theory of Gravity and Light

AmorFati
Dec 3, 2014 · Replies 8 · Dec 3, 2014

Replies: 8

Undergrad ΔAmplitude of wave on rope with a change in linear density

Nathanael
Dec 2, 2014 · Replies 3 · Dec 3, 2014

Replies: 3

Undergrad Boston Molasses Disaster: Eyewitness Accounts & Impact

jan k
Nov 29, 2014 · Replies 6 · Dec 2, 2014

Replies: 6

Undergrad How Do Physics Students Handle Uncertainty in Problem Solving?

snatchingthepi
Dec 1, 2014 · Replies 3 · Dec 1, 2014

Replies: 3

Graduate What does the |-sign mean in this text?

Nikitin
Nov 25, 2014 · Replies 10 · Dec 1, 2014

Replies: 10

Can two objects ever be exactly the same?

Bob Sinclair
Nov 28, 2014 · Replies 5 · Nov 28, 2014

Replies: 5

What Would Happen to Humanoid Bone Structure If the Moon Crashed Into Earth?

Lord Squid
Nov 27, 2014 · Replies 6 · Nov 28, 2014

Replies: 6

Graduate What Units are Used for Hansen Solubility Parameter?

Pen Rie
Nov 26, 2014 · Replies 1 · Nov 28, 2014

Replies: 1

Shiny black nail polish to matte black

Spiderstorm4
Nov 27, 2014 · Replies 5 · Nov 27, 2014

Replies: 5

Undergrad Intro & What does it mean to normalize a function/an image?

John Dolan
Nov 27, 2014 · Replies 3 · Nov 27, 2014

Replies: 3

Undergrad I cannot solve physics problems without solution help

tfhub
Nov 24, 2014 · Replies 9 · Nov 26, 2014

Replies: 9

Undergrad Matter Alignment: Magnatism Effects on Salt Water Flow

Tinman
Nov 25, 2014 · Replies 47 · Nov 26, 2014

2

Replies: 47

Undergrad Will an unbalanced wave be able to induce resonance?

Kingson
Nov 25, 2014 · Replies 2 · Nov 25, 2014

Replies: 2

Undergrad Unraveling the Mysteries of Bell Jar Experiment Equations

jweie29nh
Nov 23, 2014 · Replies 2 · Nov 23, 2014

Replies: 2

High School Physics science fair on shoe polymers

DingleTron3000
Nov 22, 2014 · Replies 5 · Nov 22, 2014

Replies: 5

Undergrad Pipe Flow Rate: Guarantee Constant Volumetric Flow

Patronex
Oct 12, 2014 · Replies 22 · Nov 20, 2014

Replies: 22

Graduate Wave on a string / impedance problem

Darren93
Nov 18, 2014 · Replies 1 · Nov 19, 2014

Replies: 1

Graduate How to find the uncertainty of a slope (using software)?

dilloncyh
Nov 19, 2014 · Replies 1 · Nov 19, 2014

Replies: 1

Undergrad Most Recent Applied Advance in Physics

neuralnova
Nov 18, 2014 · Replies 2 · Nov 18, 2014

Replies: 2

Undergrad Calculating Length of Line cf: A Math Problem Explained

ewr
Nov 18, 2014 · Replies 2 · Nov 18, 2014

Replies: 2

Undergrad Need trustworthy, informative reading material

Petyarazor
Nov 17, 2014 · Replies 1 · Nov 18, 2014

Replies: 1

High School How to Identify Scalars and Vectors?

jorden@u
Nov 17, 2014 · Replies 1 · Nov 17, 2014

Replies: 1

Undergrad Wave Attenuation: Struggling in Course? Resources to Help

Darren93
Nov 17, 2014 · Replies 1 · Nov 17, 2014

Replies: 1

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Physics

Physics is the scientific study of the fundamental principles governing the behavior of matter and energy in the universe. It explores the nature of space, time, motion, forces, and the interactions between particles and fields.

Physicists seek to formulate laws and theories that describe the fundamental forces shaping the cosmos, from the microscopic world of subatomic particles to the vastness of galaxies. Divided into classical and modern physics, the discipline encompasses mechanics, electromagnetism, thermodynamics, quantum mechanics, and relativity.

Physics not only provides a framework for understanding the physical world but also drives technological innovations, shaping our comprehension of reality and inspiring advancements in various scientific and technological domains.

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