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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 Direct and alternating current, a personal approach to understand them
  • mcastillo356
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Is This Year's Physics Nobel on Advances in AI Physics?
  • bhobba
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High School Lottery physics: ball placement and positions in lottery games
  • shaab
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Physics has taken the wrong turn
  • Adrian59
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Graduate How much funding/resources are spent in string theory research?
  • pines-demon
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Undergrad Why does my ceiling glow in the dark?
  • fro2g
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Graduate Supporting neurodivergent talent: ADHD, autism, and dyslexia in physics and space sciences
  • symbolipoint
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Shroedinger's Cat, New Yorker Cartoon
  • lavinia
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High School Wi-Fi Interference: How Microwaves Can Affect Your Wireless Connection
  • Hill
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High School Question about sig figs and rounding: How to handle when there are 2 parts to the problem?
  • Arnav
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Graduate RIP James D. Bjorken (1934 - 2024)
  • robphy
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Graduate Questions about information limits in the Universe
  • stuartmacg
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Graduate RIP Tsung-Dao Lee (1926-2024), Nobel 1957
  • robphy
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7
Grow to High Energy, Nuclear and Mayonnaise, Particle Physics subforum
  • Frabjous
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Graduate Bruker TopSpin import function in pulse program
  • Will Johnson
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Graduate Can quantum mechanics be combined with game theory?
  • Spathi
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Undergrad Popular future physics beliefs that are completely wrong?
  • Maximum7
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Undergrad Decorrelation steps in Wolff algorithm
  • IWantToLearn
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Undergrad How Does Increasing Size Affect Punching Speed and Light Speed Limits?
  • ferg
  • · Replies 27 ·
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Undergrad Fiction Writer with question for research physicists - Looking for opinions and experiences with peer-reviewed publishing
  • randodude
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Undergrad Need to identify a physicist from a documentary on TV some years ago
  • Tiger Blood
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Undergrad What's Going on with the Rostov Nuclear Power Plant?
  • BillTre
  • · Replies 18 ·
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High School What will be the reading of this vernier calliper?
  • Micheal_Leo
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Undergrad Increasing tone while mixing sugar in water
  • billr
  • · Replies 10 ·
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Undergrad Can Physics Explain the Phenomenon of Love?
  • curiousman
  • · Replies 19 ·
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Publishing books on arXiv, a new trend?
  • sbrothy
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Undergrad Discussion about least squares method
  • Dario56
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High School Does Energy Exist as a Physical Entity or Merely a Mathematical Concept?
  • KleinMoretti
  • · Replies 28 ·
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Undergrad Replacing the Measurement standards (SI units)
  • akardos
  • · Replies 58 ·
2
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Tommy Lee Jones Contemplates Plank's Constant
  • Hornbein
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Undergrad What drives osmosis? (Statistics or Dynamics?)
  • Swamp Thing
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What would you memorize if you could?
  • AndreasC
  • · Replies 14 ·
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14
Cut lemon moved by itself
  • mii
  • · Replies 18 ·
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18
NASA Black Hole Visualisation
  • ergospherical
  • · Replies 3 ·
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3
Graduate Relation between Rosenbluth Potentials and Spitzer Resistivity
  • gaiussheh
  • · Replies 0 ·
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Undergrad Does a shaking hammer blow cause less damage than a stiff blow?
  • Username34
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Graduate How does phase of merging sines affect overall periodic tones?
  • Crimadella
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Undergrad Any alternatives to Tracker from physlets?
  • sirlimonada
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Please explain this mirror
  • petershlagor
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High School Interstellar Spacecraft Voyager 1
  • alan123hk
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Undergrad Does an aerial punch or kick transfer more power than a standing one?
  • Username34
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Undergrad Is a thrusting motion more powerful/deadly than a swinging one?
  • Username34
  • · Replies 9 ·
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Undergrad NASA is seeking a faster, cheaper way to bring Mars samples to Earth
  • Colin Wilson
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My glass beer bottle survived a fall from the 10th floor, how, & why?
  • dzbshea
  • · Replies 7 ·
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Undergrad Commercials with a Science Pitch
  • BillTre
  • · Replies 6 ·
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Peter Higgs - 1929 - 2024
  • mfb
  • · Replies 17 ·
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Graduate Is Relativity Denial Still Prevalent in Science Forums?
  • topsquark
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News Sonic Weapon in Cuba: Mystery of Health Attacks Deepens
  • substitute materials
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Graduate Is it Valid to Average Two Metrics in Spacetime?
  • nomadreid
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Graduate From Nyquist plot to real conductivity spectra (sigma)
  • Olha
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Why Does the US Space Force Reference the Dark Side of the Moon?
  • KingGambit
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Undergrad What is the Equivalent Strength of the Chicxulub Impact in Atomic Bombs?
  • KingGambit
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Undergrad Is "scalar wave" a legitimate term?
  • EleanorW
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High School Speed of light and Euler's constant
  • hassan23
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High School Are there any unsolved physics problems?
  • John_Williams
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Graduate Dynamics and convergence of a general flow network
  • SteveMaryland
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Undergrad Why is not possible to store electric energy from a Lightning?
  • Thalita Luna
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RIP physicist Arno Penzias, 1978 Nobel Laureate in physics
  • StatGuy2000
  • · Replies 3 ·
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What is your favorite technical physics blog?
  • pines-demon
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High School Information sources and physics teaching
  • syfry
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News Plot of Parton distribution function
  • Elham1990
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Is N. David Mermin's Autobiography Relevant for Today's STEM Scholars?
  • sbrothy
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High School Quanta Magazine Video on Biggest Breakthroughs in Physics in 2023
  • jedishrfu
  • · Replies 1 ·
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What ONE Physics topic would you choose to study and why?
  • bigmike94
  • · Replies 18 ·
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Where to find nonprofessional collaborators/science friends?
  • Jeredin
  • · Replies 21 ·
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News Why do so many people not believe in the Big Bang?
  • BadgerBadger92
  • · Replies 13 ·
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Undergrad Forces Required For Steeling A Blade?
  • abrogard
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What Are the Best Science Periodicals for New Discoveries and Ideas?
  • James William Hall
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Graduate Correcting units from this physics paper?
  • halcyon_zomboid
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Is it possible to break this baseball bat with the heel of the foot?
  • Username34
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Undergrad Confused about unit conversion involving natural units
  • kelly0303
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Undergrad Data collected from different devices: how to combine for analysis?
  • Mikki123
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High School Why Do Some Toxins Persist Despite Chemical Reactions?
  • syfry
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High School What hand tools do physicists commonly use in the laboratory?
  • Mgt3
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Undergrad What can we scientifically measure directly?
  • democura
  • · Replies 27 ·
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Undergrad The Problem With Science Communication (Veritasium)
  • DennisN
  • · Replies 7 ·
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Double Sunrise Phenomenon Explanation?
  • Cmotive98
  • · Replies 5 ·
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Graduate "Big Bang" according to the 19th century poet ("Science-v-Poetry")
  • EdDa
  • · Replies 7 ·
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High School Which science communicator do you find to maintain the most accuracy?
  • syfry
  • · Replies 30 ·
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What is the newest installment of 'Random Thoughts' on Physics Forums?
  • Evo
  • · Replies 11K ·
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High School What is Causing the Zig Zagging of Stars in the Night Sky?
  • a1971oneway
  • · Replies 16 ·
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News Death of astrophysicist Hubert Reeves at 91
  • jack action
  • · Replies 1 ·
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Undergrad How was electronics propagation delay measured historically?
  • Muhammad Usman
  • · Replies 11 ·
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Graduate Nobel Prize 2023: Attosecond pulses
  • DrClaude
  • · Replies 8 ·
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Graduate How Many People Can Perform Quantum Mechanical Calculations?
  • Chas Tennis
  • · Replies 10 ·
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Graduate My modernization of Definition I in Newton's Principia
  • PencilPusher
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Graduate Room temperature superconductor paper published
  • BWV
  • · Replies 54 ·
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Undergrad Flow rate calculation for laser cutting nozzles
  • Adam Bryan
  • · Replies 3 ·
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3
Undergrad How much impact mass does a boxing strike need to compensate for slower speed?
  • Username34
  • · Replies 26 ·
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Graduate Is There a Dark Side to Studying Statistical Mechanics?
  • DaveE
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Undergrad How can tomographic image resolution be obtained using wifi sensing and imaging?
  • tomography
  • · Replies 3 ·
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Where Can I Find The Ballad of Maxwell's Equations Sung to Take On Me?
  • miner_tom
  • · Replies 3 ·
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Undergrad The best way to keep an office cool in the hot summer
  • pinball1970
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Graduate What can AI do and not do in physics currently?
  • non_physicist
  • · Replies 4 ·
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Undergrad What's the trick to this "perpetual" marble device?
  • DaveC426913
  • · Replies 9 ·
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High School Is a Brain Wave Actually a Wave?
  • pabloweigandt
  • · Replies 14 ·
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Undergrad Where can I find explanations about physics applications in real life?
  • revix
  • · Replies 10 ·
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High School Meaning of Multiplication and Division in Physics
  • mremadahmed
  • · Replies 72 ·
3
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Graduate What Do These Famous Quotes Reveal About the Minds of Great Scientists?
  • Demystifier
  • · Replies 204 ·
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Undergrad How much of an approximation are power measuring tools for martial arts?
  • Username34
  • · Replies 26 ·
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