Stack Exchange Network

Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
  1. 0
  2. +0
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • Meta Discuss the workings and policies of this site
    • About Us Learn more about Stack Overflow the company
    • Business Learn more about hiring developers or posting ads with us
  3. Log in Sign up
  4. current community

    • Physics
      help chat
    • Physics Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
Physics
  1. Home
    1. Public
    2. Questions
    3. Tags
    4. Users
    5. Unanswered
    1. Teams
      Stack Overflow for Teams – Collaborate and share knowledge with a private group. Create a free Team What is Teams?
    2. Teams
      What’s this?
    3. Create free Team

Teams

Q&A for work

Connect and share knowledge within a single location that is structured and easy to search.

Learn more
Profile Activity
Meta user
Network profile
Ali

Reputation

5,745
  • 5.7k
  • 5.4k
  • 5k
  • 2018
  • 2019
  • 2020
  • 2021

Top tag

homework-and-exercises

Next privilege

10,000 Rep.
Access moderator tools

Badges

6
30
48

Newest

 Notable Question

Next badge

253/500
Marshal

Impact

~319k
people reached
132 posts edited
253 helpful flags
1,041 votes cast
Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

6 Questions

Votes Activity Newest Views
32
164
votes
9
answers
22k
views

Could Legolas actually see that far?

optics visible-light vision image-processing
Aug 24 '19 at 6:44 Community♦ 1
16
35
votes
4
answers
7k
views

Floating a ping pong ball in the air just using a pen!

fluid-dynamics everyday-life home-experiment models estimation
Apr 5 '19 at 21:14 enbin 1,620
4
9
votes
1
answer
1k
views

Proton Radius Puzzle, Is it possible that proton's radius differ depending on how you measure it? What does that even mean?

particle-physics standard-model protons beyond-the-standard-model
Oct 6 '13 at 13:19 Ali 5,745
5
8
votes
1
answer
2k
views

Educational physics stories with a funny punchline [closed]

soft-question education
Jun 22 at 11:53 Community♦ 1
1
8
votes
1
answer
6k
views

Weather forecasting with coffee bubbles

pressure everyday-life home-experiment atmospheric-science
Nov 4 '15 at 14:32 DavePhD 15.8k
 
2
votes
1
answer
3k
views

Is the total angular momentum of the universe zero? [duplicate]

general-relativity cosmology experimental-physics angular-momentum symmetry
Aug 4 '13 at 23:43 TheHamBox 27
Physics
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • For Teams
  • Advertise With Us
  • Hire a Developer
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
  • Cookie Settings
  • Cookie Policy
Stack Exchange
Network
  • Technology
  • Life / Arts
  • Culture / Recreation
  • Science
  • Other
  • Stack Overflow
  • Server Fault
  • Super User
  • Web Applications
  • Ask Ubuntu
  • Webmasters
  • Game Development
  • TeX - LaTeX
  • Software Engineering
  • Unix & Linux
  • Ask Different (Apple)
  • WordPress Development
  • Geographic Information Systems
  • Electrical Engineering
  • Android Enthusiasts
  • Information Security
  • Database Administrators
  • Drupal Answers
  • SharePoint
  • User Experience
  • Mathematica
  • Salesforce
  • ExpressionEngine® Answers
  • Stack Overflow em Português
  • Blender
  • Network Engineering
  • Cryptography
  • Code Review
  • Magento
  • Software Recommendations
  • Signal Processing
  • Emacs
  • Raspberry Pi
  • Stack Overflow на русском
  • Code Golf
  • Stack Overflow en español
  • Ethereum
  • Data Science
  • Arduino
  • Bitcoin
  • Software Quality Assurance & Testing
  • Sound Design
  • Windows Phone
  • more (28)
  • Photography
  • Science Fiction & Fantasy
  • Graphic Design
  • Movies & TV
  • Music: Practice & Theory
  • Worldbuilding
  • Video Production
  • Seasoned Advice (cooking)
  • Home Improvement
  • Personal Finance & Money
  • Academia
  • Law
  • Physical Fitness
  • Gardening & Landscaping
  • Parenting
  • more (10)
  • English Language & Usage
  • Skeptics
  • Mi Yodeya (Judaism)
  • Travel
  • Christianity
  • English Language Learners
  • Japanese Language
  • Chinese Language
  • French Language
  • German Language
  • Biblical Hermeneutics
  • History
  • Spanish Language
  • Islam
  • Русский язык
  • Russian Language
  • Arqade (gaming)
  • Bicycles
  • Role-playing Games
  • Anime & Manga
  • Puzzling
  • Motor Vehicle Maintenance & Repair
  • Board & Card Games
  • Bricks
  • Homebrewing
  • Martial Arts
  • The Great Outdoors
  • Poker
  • Chess
  • Sports
  • more (16)
  • MathOverflow
  • Mathematics
  • Cross Validated (stats)
  • Theoretical Computer Science
  • Physics
  • Chemistry
  • Biology
  • Computer Science
  • Philosophy
  • Linguistics
  • Psychology & Neuroscience
  • Computational Science
  • more (10)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2021.4.14.39087

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.