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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.
So how many of us want to be like A. Einstein, I. Newton,etc
  • victorhugo
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High School How Can Math Help You Understand Gravity?
  • Sbreakdown
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Undergrad Why Is Gravity Always Attractive?
  • petrushkagoogol
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Graduate What exactly is being shown on the blackboard here?
  • swampwiz
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Insights Fun with Self-Avoiding Walks - Comments
  • klotza
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Undergrad How to Fold Data Points to a Period
  • Silviu
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Undergrad Is it true that physicists have their best ideas in 20s?
  • td21
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Undergrad Can plotting corrected values help determine a more precise E_g?
  • Kara386
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Undergrad Frequencies of standing waves in a straw
  • steven george
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Unknown device / Physics equipment. Please identifiy....
  • Eecinee
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Good Books on Physicists: Biographies of Famous Scientists
  • nmsurobert
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Undergrad What happens to energy when it has nowhere to transfer?
  • Agave tequilana
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High School Digging Through the Earth: What Happens?
  • NewToThis
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20
Undergrad Pascal´s Principle in Compresssible Fluids
  • DaTario
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10
Undergrad On liquid oscillation excitation
  • Jiwon Han
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Undergrad The influence of humidity when creating a vacuum
  • Karido
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Interesting Lecture by RP Feynman at Cornell
  • jedishrfu
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High School Is there such a thing as non-mechanical transport
  • manicaltransport
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High School Is the Large Hadron Collider large?
  • Beanyboy
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14
High School Why do water waves not undergo a phase change when they hit a fixed wall?
  • Clara Chung
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High School The lazy time in sofa to learn physics?
  • edephysic
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9
High School Why Do We Treat Units Like Variables in Physics?
  • Biker
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10
Who Won the 2016 Ig Nobel Prizes for Physics and Chemistry?
  • jtbell
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High School What would happen if nothing was like it is
  • Arthur Lopes
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High School Why can't one metre be more than one metre?
  • jomsur
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4
Why Are There So Few Engaging Physics Books for the General Reader?
  • Beanyboy
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High School Choke Station in Fluid Pipelines: Pressure, Valves, & More
  • Mikealvarado100
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High School Calculating error when constant is divided by variable
  • akzo
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Undergrad Equal or Not? Comparing km/h/s & km/s/h Acceleration
  • Kishwar Khan
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High School Layman asks 2 basic questions regarding gravity & free will
  • layman wannabe
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High School Asteroid Binding Energy: E=mv^2?
  • Tris Fray Potter
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8
High School Why physical quantities need a unit?
  • abbas14
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13
Undergrad Analog vs Digital: How Digital Representations Reflect the Analog Universe
  • GregoryC
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High School Difference between distance in physics and math
  • Arif Setiawan
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5
Undergrad What is physicial interpretation of deviatoric strain rate
  • Atr cheema
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High School Understanding Probability and Fairness in Coin Tosses
  • gilishaky
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High School Discrete definitions of Physics Standard Units
  • Stephanus
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Undergrad Solving a Second-Order Wave Equation
  • KFC
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8
High School Understanding the 5km Horizon: How Far Can We See at the Beach?
  • jfoldbar
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Undergrad How to Make Graphene: Tips for Taking it a Step Further
  • billy k
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High School What is the deepest hole in the world?
  • Newtonfalls
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High School Detecting Smartphone Waves Using Toy - VIDEO
  • Newtonfalls
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Graduate Understanding the Science Behind Anti-Gravity Spray on YouTube
  • Newtonfalls
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High School High School Physics Presentation Ideas?”
  • bobcheese
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High School What Are the Key Differences Between Panchromatic and Multispectral Images?
  • senmeis
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Wanted: specific youtube science series, forgot who made it....
  • doggonemess
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High School Are there any researchers on the concept of time?
  • Jonny Cruz
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High School FYI Webcast from CERN on 9/30/16 for HS students and laymen
  • fresh_42
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Undergrad Difference between vectors in physics and abstract vectors
  • Mr Davis 97
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Undergrad Who was James Cronin and what were his contributions to physics?
  • robphy
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Undergrad Physical Review Letters -- How to submit my paper....
  • izzi wekwek
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Graduate Can Noise Cancelling Theory Be Used to Send Secret Messages?
  • quicksilver123
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Graduate Data Analysis: consistency of e.g. two measurements
  • niteOwl
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Is there physics knowledge hidden to public domain?
  • jonjacson
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Undergrad Are Pagers More Reliable Compared to Phones?
  • Alan Arqueza
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Undergrad Multichannel analyzer to computer
  • Rajini
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High School Centre of Charges Coincide & Dipole Moment: Explained
  • AmKo3
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Undergrad Pinwheels for Wind turbines? In class, pinwheels proved most
  • sirrods
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Undergrad Why equal volumes of diferent gases have the same number of molecules @ STP?
  • Rashik
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High School Lenovo Thinkpad E460: Ideal Laptop for Research and Code Writing
  • RobosaurusRex
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High School Why we take the least # of significant digits when multiplying?
  • HuuChi1778
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High School Why Does Matter Outweigh Antimatter?
  • Prasun-rick
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Undergrad Does anything ever repel gravity?
  • Prasun-rick
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Graduate What Makes Up the Solidity of Tables?
  • bluecap
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High School Is Time a Dimension or a Measure of Movement?
  • mmmchicken
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High School What dimensions aren't geometry based?
  • mmmchicken
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High School For oscillations, why do we use angles in waves and oscillat
  • Cr4zyM4tt
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Undergrad How Does Acceleration Affect the Doppler Effect in Moving Sound Emitters?
  • shawn9521
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Depth of fields in Physics, Cosmology etc
  • narrator
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Undergrad Understanding Sonic Booms and Light Speed Phenomena
  • Samia qureshi
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Graduate Understanding the Up-Left Quadrant of Pump Function: Q>0 and n<0
  • Mikealvarado100
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High School How can I control the amount of air vs water in an inverted bottle dispenser?
  • Eddie Matos PhE
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Undergrad Is it possible to image individual air molecules?
  • Hunter235711
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High School Photo Contest - Intro Physics (7/23-7/29)
  • ZapperZ
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High School What Could Explain the Mysterious Red Pulsing Light in the Sky?
  • Shadowkat678
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High School Is Gravity Absent at the Earth's Core?
  • NewToThis
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Undergrad Engineering Design Units & Concepts: Chart & Examples
  • Paladin
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Undergrad Fun question: Can this fish swim?
  • Einey77
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High School Meaning of physical quantities and division
  • Pilpellon
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Undergrad I need some *Rust* is iron oxide rust?
  • gary350
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Undergrad Capillary Action: Overcoming Capillary Force with Ions
  • imbelhassen
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Undergrad GPS Data Availability - Positions, Clock Readings etc.
  • Matter_Matters
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High School Where can i find a legend of all of the symbols used in phys
  • t906
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High School Doppler effect/ both moving same direction
  • QuarkDecay
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Graduate What do you think about time travelling.
  • parshyaa
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Graduate Tom Kibble, Physicist .... Dies at 83
  • diogenesNY
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Graduate Is Self-Study Outside Academia Hindering My Progress in Physics?
  • thefurlong
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Ready to Win with a Haiku? Physics Poetry Contest Starts Now!
  • Greg Bernhardt
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Undergrad Einstein Fact-Check: Debunking Myths & Fun Survey
  • DiracPool
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High School Guidance on Physics Extended Project Qualification
  • TomPhysics
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Undergrad Dispersion Relations: Most Famous DR & Contexts Explained
  • DaTario
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My Battle with the Windy Rhode Island Coastline
  • Davephaelon
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High School Is it allowed to use graphing calculator in IPHO
  • rashida564
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Undergrad Suggestion for presentation topic
  • Samia qureshi
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Undergrad Understanding the Notation: Deciphering the Equation in the Image
  • lucdj3
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Photo Contest - Crystal Lattice (7/9-7/15)
  • ZapperZ
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Where can you buy a cheap liquid nitrogen dewar?
  • chasbissell
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Vibration of wine tanks using music
  • wyckmans
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Undergrad Explaining Doppler Effect Asymmetry
  • DaTario
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Undergrad Glycol Fog Machine: Is Pipe Pipe Reconstitution Possible?
  • Braden T
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