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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.
Antimatter, Negative Mass, & Gravity: Unveiling the Mysteries
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Help With Grade 11 Physics Camera Project
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Difference between Field and Fluid
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What is Physical Basis of Tuning Note in Western Musical scale
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Another strange physical event: This time regarding gravity.
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10.1 megapixel camera, object is 18,877.90 feet away from me, can I see it?
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What if there was a pole, whose length was the circumference of the Earth?
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Measuring Black Hole Gravity with a Laser
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Characteristics and properties of milk
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Units Systems, Dimensions & Dimensional Analysis Overview
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Does coordinate system = gauge ?
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Best Heading/Orientation for Fastest Interception of a Moving Target
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How dangerous might my countertops be?
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Why is the sky blue and not purple?
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Gravity and Energy: Mass, Velocity, and More
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Matter and Antimatter: Why Did Matter Dominate?
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Half of Energy: Where Does It Go? (Solving e=mv^2)
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Video: Scientist plans Time Machine - Is this possible?
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How is ionization an endothermic reaction?
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Why Can't There Be Gravity in 2 Spatial Dimensions?
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Driving Gyroscopes: Systems for Keeping Disks Spinning
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Optimizing Laser Beam Divergence for Spot Size Control
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Physics Q: Time If Everything Stops Except Clock?
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Why do cell phone ringtones play through television speakers?
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What If the North Pole Were Contained Within the LHC at CERN?
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What would happen if a tube like this were placed in the earths atmosphere?
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How to determine air-resitance for a dropped coin
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How did we get elements above lead?
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Shape of Nuclear Explosions: Exploring Archimedes' Principle
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Student Struggling with Hookes Law - 18 Year Old Physics Student
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Does Biot-Savart law apply at high frequencies?
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Is there a way to add a time parameter to see how the system evolves over time?
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Have people artificially created blackbodies yet?
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Gravity & Satellites: Moon's Influence on Earth Satellites
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Calculating Center of Mass in Binary Systems
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Understanding Gravitational Force: Why Does My Effect on Earth Seem Negligible?
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Bh loop of steel at various ferquencies
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Why do physical laws always feature integer indices?
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At 0k, why is fermi level halfway in bandgap?
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How Does Energy Transfer from Kinetic to Sound?
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How to Calculate dE/dx for a Mixture of Gases?
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Does an Open Refrigerator Heat Up a Room?
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How do I plot a function with frequency and energy using Mathematica?
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Should Wendelin Werner Be Considered a Physicist Fields Medalist?
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Three suns in the sky Believe it or not
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How Are the Meissner Effect and Lenz's Law Related?
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Would You Float or Stretch in a Hollow Sphere at Earth's Center?
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Uranium/Plutonium hot to the touch?
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Seeking Stable Orbit: Investigating a Rigid Pole in Space
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Can a Cone Save an Egg from a 15-Meter Drop?
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Transverse waves can propagate through a solid
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Determining Capacitance from Dimensional Analysis of V(t)
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Is Supersymmetry the Future of Particle Physics?
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Equations for surface-object contact.
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Calculating Lift Capacity of Rotor Blades
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What Is Energy: Physical Reality or Mathematical Construct?
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Reactor Fission VS. Weapon Fission
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Why do we need to see gravitation as force?
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Conquering the Paper and Pen Challenge: A Physics-Based Solution
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Degenerate matter and temperture
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Wireless advantage and disadvantage
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How fast does the earth spin around its axis?
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So, sorry for asking a stupid question.What causes Time to Move?
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Can you see the back of your head
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Calculate Speed of Electron Using Power Supply & Charge Info
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Store Solar Energy: Learn How to Charge Batteries with 20 2W Panels
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Illegitimate source that there is no such thing as a true vacuum
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Does Gravity Affect Atmospheric Pressure on the Sunny Side of a Planet?
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Modeling Plastic Cup Physical Behavior
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Uncertainty Numbers: Greater Than Ruler?
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Same # of Sig Figs for Cylinder/Wire Density?
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Different due to the mass of the object
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Differentiability in nature (how many levels typically occur? )
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Series LC Circuit: Charging Capacitor & Current Flow w/ 0V Inductor
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Is there Gravity inside the human body?
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Calculating Force of Impact in Car-Motorcyclist Collision
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Why does looking through a traw improve the focus or resolution you see?
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Can an Ant Survive Walking on a Soap Bubble?
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Is the Earth's Atmosphere Ever Completely Pure?
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How Do Olympic Gymnasts Utilize Physics to Perform Flips?
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Questions on Gravity: Wavelength, Frequency, Effects
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Can Time Travel Create Paradoxes?
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Model Rocket Launch Equations for Successful Launches
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Understanding the Meaning of '100 Pounds' in Physics
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Help me A spinning blue plastic object made me sleepless.
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Definitions of the Lagrangian and the Hamiltonian
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How Does Air Flow Over an Aircraft Wing?
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What is Autocorrelation Time & Covariance?
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Changing the course of an asteroid
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What are the Newest Developments in Energy Storage Technology?
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Double slit experiment (one slit closed)
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Would a Human Burst in a Room-Sized Vacuum?
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Are Einstein's and Newton's Laws of Physics in Conflict?
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Why does the earth and the sun and other planets have gravity?
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What's the Difference Between AR Coatings and IR Filters?
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Manifold Questions: Particle Interaction vs Element Separation
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Relative permittivity of gold at radio-frequencies
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Must d be Perpendicular Distance for Moment of Force?
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Gravity Waves: Speed & Possible Outcomes
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UK Insolation: Heat Gain Through Windows & NSE&W Calcs
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