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Join expert classical physics discussion on the principles developed before the rise of relativity and quantum mechanics. Including mechanics, electrodynamics, thermodynamics, optics.

Mechanics

Undergrad Curl of velocity vector in rotational motion

Optics

Undergrad Higher magnification calibration slide

Thermodynamics

Graduate Why is 0 K unattainable?

Electromagnetism

Undergrad How does this configuration not create E field inside the conductor?
High School Defining 1 Second: The History and Science Behind Time Measurement
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High School How Does Phase Change Affect the Equation of a Stationary Wave?
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High School Measuring a change in gravity - thought experiment question
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High School Apparent missing negative phase oscillation energy - where is it?
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High School Variation of air density with height
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High School Why is Gaussian charge not equivalent to SI charge?
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High School Implicit error margins based on significant figures
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High School Photo of crosswalk lines distorted by tires action-reaction
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High School Length is the measure of intervals in space?
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High School How to Linearize an R vs θ graph (distance vs angle)
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High School What is the wave intensity formula for sound?
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High School Can physics deal with the existence of Pi?
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High School Node Placement in Stationary Waves on Pool Surfaces
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High School Help with IB Extended Essay Physics Experiment Ideas
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High School Why does my head feel heavy when I go out on a cold weather day?
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High School What is the RMS value in this context?
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High School Why is squaring used in physics equations?
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High School What is the difference between "Unitless" and "Dimensionless"?
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High School Is energy considered to be physical?
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High School Help understanding the physics of airflow
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High School Upside down buoyancy (Have you seen this?)
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High School Dangers with a diving bell combined with a long snorkel
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High School Non-linear Behavior, Chaos to Order
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High School Dropsheet-duct tape wall in The Martian
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High School Can Vibranium Realistically Be Used in Hyperloop Construction?
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High School Measurement and Uncertainities
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High School Exponential formula for Excel sheet
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High School How to calculate the amplification of a cone
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High School Animation of a standing wave formed by components from a free end
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High School How is frost possible at 39 degrees F?
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High School Would a Dyson sphere need a "relief valve?"
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High School Why are there no bubbles in a pipette when pressure is released?
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High School Why does coffee in a glass leaves its signatory on the surface?
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High School Does a rubber mat on a device prevent static build up
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High School Diffusion behavior of particulates
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High School What Interesting Topics Can Be Explored with Dew Points and Relative Humidities?
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High School Another doubt I had while reading Feynman Lectures
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High School Does a vernier caliper have doubtful figures?
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High School Calculus for Beginners: Basics & Examples
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High School Hydraulic resistor as a constriction in a pipe
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High School Why does Sunset look different from Sunrise?
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High School How is a Scientific law/theory's accuracy tested?
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High School Reading a Book about Air Sustained Structures....
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High School 100sqft wormhole from sea level to outer space?
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High School I have a basic question about energy :)
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High School Blocking all type of energies/waves/signals
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High School Why are Biological Materials easily broken despite being very strong?
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High School Can Smaller Chequers Change the Color of a Spinning Red and Green Pattern?
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High School Change in field strength if two variables are incremented at the same time
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High School Raindrops Cracking Windshields
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High School Where Does Energy Go in Young's Double Slit Experiment?
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High School Stratified Flows: Definition and Physical Meaning
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High School What are the general calculus concepts used in classical physics?
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High School How to tell if a quantity is defined as a derivative or a ratio
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High School MRI vs Color X-Ray Technology: What Are the Differences and Benefits?
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High School Calibrating measurements from scratch
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High School What is the definition of angle?
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High School Gaining Perspective on Valid Digits in Physics Problems
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High School What is the meaning of the word "resolved"?
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High School Shifting of a Cosine Curve with negative phase angle values
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High School What exactly is Dimensional Analysis?
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High School Unit of Gravitational Constant Explained
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High School Help with understanding the Doppler effect
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High School Filling the spool of a spinning reel with braid & monofilament
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High School Getting a newspaper page to stick to a wall using wooden pencil
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High School Does warm air rise or does cold air sink?
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High School A magic number or only a number?
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High School Why doesn't the ink in a pen refill flow back if I hold it inverted?
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High School Can He be used as a safer alternative to H in blimps?
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High School Can color be used for measuring density?
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High School What is the volume occupied by a molecule?
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High School Is the Tsiolkovsky Rocket Equation Worth Tattooing?
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High School Tearing Tape: Understanding the Differences in Fracture Behavior
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High School Frequnncy and 1/t, I don't really understand
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High School Solar cells - how do they repeat the process?
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High School Why does a Moebius strip twist unevenly along its length?
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High School Energy of a Wave: Amplitude vs Frequency
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High School What the equal sign means in physics
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High School Why Does a New Syringe Have an Open Piston?
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High School Interval scale -- very basic question
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High School Understand Units: Physics for High School Graduating Students
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High School Tides and Local G: Investigating the Relationship Through Long-Term Observations
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High School Is what is depicted in this fake video possible?
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High School Unit Not Homogeneous: Understanding the Formula
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High School Is Math the Key to Understanding Energy Transfer in Waves?
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High School Unlocking Symmetry: The Ultimate Guide to Intuitive Reasoning
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High School Resonance relationship with glass shatter
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High School Does any function of the form y=f(x-vt) represent a wave?
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High School Simple machines that are used in Weapons
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High School Feeling Earth's Rotation: A Teleported Alien's Perspective
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High School Stretching (tearing) of string
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High School How can Greenland lose 269b tons/year and loose only 269km3?
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High School What is the direction of the wind based on flag direction
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High School What do the d and p symbols mean in physics
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High School Why does end correction in pipes change with radius
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High School Walter Lewin videos -- why ± 0.5 cm uncertainty why not ± 0.1?
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High School How Can You Reattach Broken Glasses Without Reheating the Atoms?
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High School How to specify direction in 3 dimensional world
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High School Hammer / feather moon drop clip
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High School Some questions about terminology
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