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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.
Undergrad Remove clothing wrinkles using ultrasonics?
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Obtaining copy of CIE xy chromaticity diagram
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Undergrad Dx as change in distance vs dx as infinitesimal x?
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Graduate Can Iron Exist as a Gas Without Becoming Plasma?
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  • Poll Poll
How ugly is your physics department?
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Graduate How do theoretical physicists know so much?
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High School Air circulation question [Image attatched]
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Mars rocks covered with uniformly thick dust layer?
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Undergrad How exactly are standing waves formed?
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High School Effective Note-Taking Strategies for Physics Students
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Undergrad Understanding Newton's Principia: "Measure of the Same
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High School Why do solids compress more than liquids under pressure?
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High School How does vacuum form in a barometer?
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Graduate How can I find the smallest positive integer number without dividing q by e?
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Undergrad How long until the universe can write a googolplex?
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Being female in physics is ridiculous.
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Undergrad Calculating Relative Error of Measurement: (1±0.1)cm or (1±10%)cm?
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High School Confused about Math Conversion: Nano and Micro
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High School Number of points in mesh (Comsol 4.3b)
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Graduate Are there limitations to detecting small objects using sound and light?
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Building a Small Boat: Tips & Advice
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Graduate The number of laws of physics is finite or infinite?
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Undergrad Why don't nearby atmosphere look blue.
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High School The Life and Contributions of Felix Ehrenhaft
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Undergrad Can soft materials scratch hard materials?
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High School I want to start to make a radio with one of my friends
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High School How much will be the gravity of the sun if i make it like a stick
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High School Energy is Matter is Energy? - confused layman here
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Undergrad Constructing a Dip Coater: Does Elevating Solvent Make a Difference?
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Graduate Impact of Helium 3 from Extraterrestrial Sources
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Undergrad What Is Energy at a Microscopic Level?
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Undergrad If you have any further questions, feel free to ask.
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How many hertz can kill flying house insects?
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Undergrad Is everything vibrating and will it ever stop?
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Undergrad Oxygen Phase Diagram: Pressure & Liquefy 0-50 atm
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Undergrad How much trig should I know before taking calculus based physics?
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News John Dobson: Pioneer of Amateur Astronomy
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Recharging on the Moon: How to Revive a Dead Battery with Only a Copper Wire
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What is different about you in one place than you from another place?
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High School Explaining the Role of Transistors in Burglar Alarms
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Undergrad Help with the fundamental forces.
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High School What is the difference between D and AA batteries?
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High School Does robotics follow the laws of physics?
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Get Bifilar Wound Coils for Your Project: 2 of Each Type
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Undergrad Impact Factors/Peer Review in Physics Journals
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Graduate Can Skin Vibrations Be Detected with Lasers or Thermal Imaging?
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High School What is the relationship between frequency and period?
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Undergrad Why Are Both KE and PE Maximal at Equilibrium in a String Wave?
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Graduate Can Bell's Theorem Be Applied to the Question of Free Will?
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Is this diagram just an elaborate time line or is there more to it?
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Graduate What Happens to Time Zones When Flying at Earth's Rotation Speed?
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High School What is the difference between a compound and a molecule?
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Undergrad Wireless Energy Transfer: Just Science Fiction?
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Graduate An interesting take on (the lack of) time travel ;)
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Undergrad Standing vs. Travelling waves in a string fixed at both ends
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Graduate Volume and Area in physical equations
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Undergrad Density of Air in the Mesosphere?
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High School Difference between sthg*time & sthg/time
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Undergrad What kind of physicist is Nassim Haramein?
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Did I Witness a Supernova Tonight?
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Free Physics ebooks - Math & Science Learning Materials
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How Would You Address a Letter in the Multiverse Mail Delivery System?
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High School Simple vector arithmetic question
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Undergrad Can Quartz Crystals Really Store Unlimited Data for an Unlimited Time?
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Undergrad So what exactly has changed in physics in the last 20 years?
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Undergrad Can Solar Panels Orbiting the Sun Beam Energy to Earth via Lasers?
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High School Wha is difference between laminar flow and streamlined flow.
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High School How does E=MC^2 convert to Joules?
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The Feynman Lectures on Physics, Online
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Undergrad Build a CRT: DIY Instructions & Guide
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Undergrad What is the Physics behind Global Warming?
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Graduate Why Was the 2013 Nobel Prize Delayed for the Higgs Mechanism?
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Graduate Is Farewell to Reality a Valid Critique of Modern Physics?
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Undergrad Stationary Waves: Explaining Amplitude of Wave
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Can You Manage a Pet During Physics Grad School?
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High School How to Convert J/K and kgJs/m into m/s?
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Undergrad Moon Landing: How Much Thrust Did the Lem Need to Achieve Orbit?
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Hydraulic System Solutions Cambridgeshire | Design, Supply & Install
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Can Ghostly Images Be Captured Through Time in Photographs?
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Undergrad Could Earnshaw be only thinking inside the box
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Graduate Is It Better to Run or Walk in the Rain?
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High School Is chlorophyll green or green?
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Graduate Beat the Heat: Stable Torus Propagation in Water
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Undergrad Concerning vibration sustain, wire mounted to wood base and metal base
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Graduate Phase cancellation with opposing and unequal audio frequencies.
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How physics get done not what you might expect
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Graduate What do we mean by nonlinearity in physics? ('cause wikipedia sucks)
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Cooling a 10x20 Shed: Tips & Tricks
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Can physics function without math?
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High School What is difference between rapid combustion and turbulent combustion
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Can Physics Predict the Future?
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Undergrad How to make a liquid with specific gravity?
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Undergrad Does gravity apply to ionised objects?
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Graduate Contour Integrals in complex analysis questions
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High School Indoor vs Outdoor Stadium noise levels
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Graduate Do Fourier transforms always converge to 0 at the extreme ends?
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High School If you had 10 minutes to teach someone Physics
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High School Good Puzzles/ Interview Questions
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Undergrad Cathodes/Anodes in Chemistry and Physics
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High School What kind of tools do physicists use?
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