• Register
PhysicsOverflow is a next-generation academic platform for physicists and astronomers, including a community peer review system and a postgraduate-level discussion forum analogous to MathOverflow.

Welcome to PhysicsOverflow! PhysicsOverflow is an open platform for community peer review and graduate-level Physics discussion.

Please help promote PhysicsOverflow ads elsewhere if you like it.


New printer friendly PO pages!

Migration to Bielefeld University was successful!

Please vote for this year's PhysicsOverflow ads!

Please do help out in categorising submissions. Submit a paper to PhysicsOverflow!

... see more

Tools for paper authors

Submit paper
Claim Paper Authorship

Tools for SE users

Search User
Reclaim SE Account
Request Account Merger
Nativise imported posts
Claim post (deleted users)
Import SE post

Users whose questions have been imported from Physics Stack Exchange, Theoretical Physics Stack Exchange, or any other Stack Exchange site are kindly requested to reclaim their account and not to register as a new user.

Public \(\beta\) tools

Report a bug with a feature
Request a new functionality
404 page design
Send feedback


(propose a free ad)

Site Statistics

202 submissions , 160 unreviewed
4,981 questions , 2,140 unanswered
5,339 answers , 22,619 comments
1,470 users with positive rep
813 active unimported users
More ...

  How does radioactivity relate to quantum mechanics?

+ 0 like - 0 dislike

How does the instability of a radioactive atom relate to quantum mechanics?

Closed as per community consensus as the post is not graduate-level
asked May 14, 2018 in Closed Questions by anonymous [ no revision ]
recategorized May 16, 2018 by Dilaton

In a popular sense, it is like emitting photons by an excited atom while its transition to lower energy levels.

not graduate+ level. Users with 500+ reputation may vote here to close. 

PhysicsOverflow is a site for advanced physics. Please ask elementary 
question in other online platforms that value such questions. 

user contributions licensed under cc by-sa 3.0 with attribution required

Your rights