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.
Threads
Graduate How the myth ended: Sprites, jets, and elves
- Ivan Seeking
- · Replies 2 ·
Graduate Room Temperature Superconductivity
- Larry717
- · Replies 12 ·
High School Do fish die when tsunami waves pass through them?
- alanyu7
- · Replies 10 ·
High School Why news headlines omit the context of earthquake effects
- Hurkyl
- · Replies 4 ·
Graduate Ball is accelerating due to gravity
- datatec
- · Replies 6 ·
Undergrad Did My Laser Measurement Go Wrong During Andre's Tour de Dunce Training?
- tribdog
- · Replies 25 ·
Graduate Is Consciousness Nonlocal Due to Quantum Entanglement?
- RAD4921
- · Replies 10 ·
Undergrad WALKING ON WATER? any theories how
- jimmy1200
- · Replies 14 ·
High School Physics textbooks and resources for self-study without a background
- Kieron
- · Replies 2 ·
High School Good Graphing Program for Semi-Logarithmic Functions
- izzah
- · Replies 5 ·
Undergrad Emission lines of flourescent bulbs
- Chi Meson
- · Replies 5 ·
Undergrad History of Energy: How it Came to Be
- quasar987
- · Replies 1 ·
Can string theory explain collective consciousness?
- RingoKid
- · Replies 18 ·
Graduate What mechanism causes inertia and its connection to gravity?
- Brane Dead
- · Replies 6 ·
Graduate Single book covering the entire standard model and quantum mechanics
- tozhan
- · Replies 2 ·
Graduate How Does Feynman's Perspective on Physics Inspire You?
- Olaf.of.Ísland
- · Replies 3 ·
Anti-gravity machine in your garage
- pelastration
- · Replies 46 ·
Graduate Q&A Interview with Physicist Michio Kaku
- Greg Bernhardt
- · Replies 0 ·
High School Why does fire have different colors and shapes?
- MR
- · Replies 4 ·
Graduate Can Physics Incorporate 'WHY' Questions Beyond 'HOW'?
- One and Zero
- · Replies 7 ·
Graduate Will faster-than-light travel ever be possible?
- alexbib
- · Replies 15 ·
Undergrad What concepts of General Chemistry are important in Physics?
- relativitydude
- · Replies 9 ·
High School Is Guam's Fate Sealed by a Massive Tidal Wave?
- Mk
- · Replies 9 ·
Graduate Is Space Possible Without Matter?
- derekmohammed
- · Replies 8 ·
Graduate Time dilation between two starships passing at 0.999c
- vikasj007
- · Replies 21 ·
Looking for people to discuss physics and chemistry
- KingNothing
- · Replies 19 ·
Undergrad Why does a conical clarinet jump a twelfth while a cylindrical flute jumps an octave?
- physicsisphirst
- · Replies 14 ·
Undergrad Why Do Race Cars Use Wide Tires Despite Independent Frictional Forces?
- Ivan Seeking
- · Replies 7 ·
High School Why does a bulb with thinner, longer filament shine brighter?
- DeathKnight
- · Replies 6 ·
Undergrad Looking for a coffe table magazine / journal
- Leo32
- · Replies 4 ·
High School Is Percentage of Uncertainty Equivalent to Uncertainty?
- CollectiveRocker
- · Replies 5 ·
Undergrad How to win at a casino using physics and math
- mark1
- · Replies 3 ·
Undergrad What Happens to the Wooden Block in an Elevator?
- Alkatran
- · Replies 5 ·
Undergrad Can devices extract usable power from the vacuum?
- RonRyan85
- · Replies 40 ·
High School Physical properties of stainless steel knives
- ballballisicious
- · Replies 9 ·
Is it me or is this really in Greek?
- yxgao
- · Replies 3 ·
High School Physics misused in advertising (that most people wouldnt notice)
- KingNothing
- · Replies 61 ·
Which Physics and Mathematics Coffee Table Books Are Must-Reads?
- TheShapeOfTime
- · Replies 11 ·
Undergrad Does the Doppler effect formula derive from classical speed addition?
- asfd
- · Replies 3 ·
Undergrad How bright does a room get with perfectly reflective walls and a light source?
- vikasj007
- · Replies 6 ·
Graduate Elastic collision between rod and cube on frictionless plane
- arildno
- · Replies 24 ·
Anybody here older than time itself?
- BobG
- · Replies 15 ·
High School What is the Specific Gravity of Brass?
- Honda47
- · Replies 2 ·
Motionless Electromagnetic Generator ( MEG )
- jester
- · Replies 3 ·
High School Simple definition of erg in physics
- xck
- · Replies 2 ·
Is Joining the American Physical Society Worth It for Undergrad Students?
- mathlete
- · Replies 7 ·
What is your greatest achievement in physics?
- Loren Booda
- · Replies 29 ·
Is Teleportation the Next Frontier in Future Science?
- benzun_1999
- · Replies 5 ·
Undergrad What Resistance Does an Ohmmeter Read in an Infinite 2x2 Resistor Array?
- DrKareem
- · Replies 6 ·
Undergrad Principle of equal transit times
- Munch_E
- · Replies 4 ·
Learning to Pronounce Dot Cue (\dot{Q})
- Mk
- · Replies 1 ·
High School Weight Change for Man Flying East to West
- ceptimus
- · Replies 5 ·
Air Force report calls for $7.5M to study psychic teleportation
- Ivan Seeking
- · Replies 4 ·
Undergrad How does precession of the equinoxes shift zodiac sign dates?
- magus niche
- · Replies 11 ·
High School Writing a report on a timing oscillation experiment
- adrienne
- · Replies 1 ·
World Physics Year: Let's Plan Activities!
- lakshmi
- · Replies 1 ·
High School Is it possible to have negative joules?
- DB
- · Replies 6 ·
Why Do Levitron Spinning Tops Vary in Levitation Time?
- Chen
- · Replies 2 ·
High School Calculating Parallel Circuits (IR1, VR1, IT,) etc
- BigDanT
- · Replies 2 ·
Unlock Your Mind: Meet the Greatest Geniuses in History on This Site!
- marlon
- · Replies 5 ·
High School What are the different types of constants in physics and math?
- DB
- · Replies 2 ·
High School Why can't a simple amplifier detect tachyons?
- juan avellaneda
- · Replies 7 ·
High School Why Does Stirring Sugar into Coffee Change Pitch?
- billy_boy_999
- · Replies 5 ·
Undergrad Finding Molecule angles with vectors
- relativitydude
- · Replies 3 ·
Graduate Subjectivity/objectivity indicate new physics
- Loren Booda
- · Replies 2 ·
Graduate What is the Latest Advancement in Ion Drive Propellant for Deep Space Missions?
- Wave's_Hand_Particle
- · Replies 2 ·
High School How Do Gas Masks Work?
- EIRE2003
- · Replies 1 ·
High School Why is airflow stronger on one side of a fan?
- jszuch
- · Replies 3 ·
Graduate Does physics explain how consciousness works?
- anuj
- · Replies 17 ·
High School What Time Is It at the Poles?
- mathlete
- · Replies 2 ·
High School Measuring Microwave Owen Frequency with a Ruler and Marshmallows
- sigma
- · Replies 4 ·
The US and the Possibility of a World Government
- jlorino
- · Replies 23 ·
High School What does RCS mean in physics?
- cerealbandit
- · Replies 1 ·
Graduate Is Mass Outside of Space-Time the Ultimate Brain Twister?
- tecp
- · Replies 4 ·
Graduate Is time continuous or discrete in physics?
- Tachyon son
- · Replies 33 ·
Graduate The Society for the Investigaion of Prescience, SIP
- Lacy33
- · Replies 37 ·
High School How do you test the total available energy from a battery?
- darkar
- · Replies 11 ·
Undergrad Should I Learn Calculus Before Reading the Feynman Lectures?
- TheShapeOfTime
- · Replies 3 ·
Undergrad Choosing the Right Chemicals for a Cleaner and Greener Kitchen
- nightcleaner
- · Replies 10 ·
Graduate Deriving Fourier Series for a Regular Sawtooth Wave
- cj
- · Replies 3 ·
High School Convert 1.95e7m - Get Answers Now
- Bcisewski
- · Replies 9 ·
Undergrad Why Does the Van Der Waals Equation Predict Lower Pressure Than Ideal Gas Law?
- CollectiveRocker
- · Replies 2 ·
What does "moved" mean when threads are moved?
- bballgirlweez
- · Replies 1 ·
Deeper understanding of the above terms in context of colors?
- rhia
- · Replies 3 ·
High School Why is fire hot?
- mbinnc
- · Replies 4 ·
Graduate Is energy merely an abstract concept or a fundamental reality of the universe?
- Les Sleeth
- · Replies 36 ·
High School Is steam a gas or does it contain suspended water droplets?
- jackle
- · Replies 3 ·
High School Suggestions for an interesting physics topic which i can research/do project on
- mac2000
- · Replies 3 ·
Graduate Motion of Particle in a Magnetic Field
- SoberSteve2121
- · Replies 2 ·
High School Sorting Products by Weight - Need Advice
- cmarttx
- · Replies 1 ·
Perendev magnetic motor and free energy claims
- s3nn0c
- · Replies 4 ·
Graduate Einstein's objections to quantum mechanics and the Heisenberg uncertainty principle
- pelastration
- · Replies 5 ·
Undergrad Why do plucked strings and air columns produce harmonics beyond the fundamental?
- Cheman
- · Replies 4 ·
Undergrad What Does Dr. Kaku Mean by God of Order?
- anand
- · Replies 52 ·
Seriouslywhat's wrong with some people?
- QuantumTheory
- · Replies 20 ·
Graduate Defining force and mass to make F=ma empirically meaningful
- suffian
- · Replies 39 ·
High School Looking for high school physics book recommendations beyond Giancoli
- compute_a_nerd
- · Replies 1 ·
High School Does gravity increase closer to Earth's core?
- naler62188
- · Replies 7 ·
Help designing physics department t-shirts with jokes and equations
- 00StangGT
- · Replies 9 ·
Want to Build a Fun 'Physics' Gun?
- Adrian Baker
- · Replies 5 ·