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Test your skills with challenging problems on Topology, Calculus, Group Theory...

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Introductory Physics Homework Help

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The height that a small ball reaches when traversing a horizontal platform that tilts gently upwards

Advanced Physics Homework Help

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Simple Feynman diagram
  • dRic2

Precalculus Mathematics Homework Help

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How to solve this unsolved time & distance problem?

Calculus and Beyond Homework Help

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Element of surface area in spherical coordinates

Biology and Chemistry Homework Help

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Chemistry Reasons for Increasing the Inductive Effect

Engineering and Comp Sci Homework Help

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Engineering Find the Minimal SOP Using a 5 Variable K-Map

Science Education and Careers

Science and Math Textbooks

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Geometry Differential Geometry: Book on its applications?
  • s00mb

STEM Academic Advising

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Courses Course Order For Upper Division

STEM Educators and Teaching

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If you were a linear algebra teacher, would you dock points for this?

STEM Career Guidance

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Other DOE/SULI Argonne Internship Housing

Physics

Classical Physics

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B Question about EMF and EEG emission
  • mfb

Atomic and Condensed Matter

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A Getting the emissivity from scratch

Quantum Physics

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B Quantum physics vs Probability theory

Special and General Relativity

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I Is it correct to say that gravity exerts a force?

Beyond the Standard Model

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A Explaining the Hubble tension with fundamental physics

High Energy, Nuclear, Particle Physics

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B How does carbon 14 have such a perfect halflife?
  • WWGD

Other Physics Topics

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I Please can you guys help me with this question ?

Astronomy and Cosmology

Astronomy and Astrophysics

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B Cosmic ray charge

Cosmology

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I Universe expansion discrepancy vs accelerated expansion

Mathematics

General Math

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B Horner's method confusion

Calculus

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Non-convergence counter example?

Differential Equations

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I Solving an ODE with power series

Topology and Analysis

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I The signal are binned into time bins with a width ##δt##

Linear and Abstract Algebra

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I Rational functions in one indeterminate - useful concept?

Differential Geometry

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I Metric products

Set Theory, Logic, Probability, Statistics

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A Improving intuition on applying likelihood ratio test

MATLAB, Maple, Mathematica, LaTeX

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What engineering and math features is Excel missing?
  • BvU

Engineering

General Engineering

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Electric cars: What do you think?

Mechanical Engineering

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Understanding a subsurface pipe failure
  • JBA

Electrical Engineering

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I have been trying to create an air-core electromagnet with no luck

Aerospace and Astronautics Engineering

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Space Stuff and Launch Info

Nuclear Engineering

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Tokamak toroid wall material?

Materials and Chemical Engineering

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How to calculate a pump's operating point for a fully open control valve

Other Sciences

Chemistry

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Possibility of Electrically Charging Pigments DIY?

DIY Projects

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HVAC Accessible metal product for combustion chamber

Biology and Medical

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Medical Stem cell injections are a step toward improving motor, sensory function after spinal cord injury

Programming and Computer Science

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Python Need help with a simple line of code

Earth Sciences

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Australia's drought and bushfires, a personal view
  • WWGD

Computing and Technology

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Freeware for Nanoantenna Calculation

The Lounge

General Discussion

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1M
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PF Photo Contest - O' Christmas Tree, O' Christmas Tree (12/7-12/13)

Science Fiction and Fantasy Media

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Expensive Quality VS Cheap Quantity Space Battles

Art, Music, History, and Linguistics

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Here is an interactive 360 degree panoramic photo of a 3D model I made

Feedback and Announcements

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Bug Conversation page/post count bug
  • Ibix

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