If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)

Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

Hi all! We have been experiencing an issue on site where threads have been missing the latest postings. The platform host Vanilla are working on this issue. A workaround that has been used by some is to navigate back from 1 to 10+ pages to re-sync the thread and this will then show the latest posts. Thanks, Mike.

Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

Black Hole Event Horizon and Universe Entropy

Supercell · 2021-07-29 14:22:26

My 9 year old son just asked about how long the unverse will exist and aren't black holes cool. It set me to thinking, if we think of the event horizon as a place where time stops, and of the universe having finite entropy which eventually becomes zero over a very long time, what happens to the event horizon?, does the…

29-07-2021 3:22pm

#1

Supercell

Registered Users, Registered Users 2 Posts: 15,483 ✭✭✭✭

Join Date: May 2001

Posts: 14289

My 9 year old son just asked about how long the unverse will exist and aren't black holes cool.
It set me to thinking, if we think of the event horizon as a place where time stops, and of the universe having finite entropy which eventually becomes zero over a very long time, what happens to the event horizon?, does the frozen/stopped time simply vanish into the ether or what?
Might be a daft question, but maybe someone has an explanation?

https://www.loughlinstown.ie/
Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/

0

Comments

#2 03-08-2021 9:55pm

Calculator123

Registered Users, Registered Users 2 Posts: 166 ✭✭

Join Date: October 2019

Posts: 144

Brian Cox has the most marvellous and accessible explanations of entropy and time in his Wonders of the Universe series. Great for all ages. It's repeated on BBC occasionally or you might get it on iPlayer if you have it. The whole series is super.
https://www.bbc.co.uk/programmes/p00wv834

0
#3 04-08-2021 9:04am

Supercell

Registered Users, Registered Users 2 Posts: 15,483 ✭✭✭✭

Join Date: May 2001

Posts: 14289

Thanks very much, thats a great suggestion, I'll have a look in the iPlayer for the series.

https://www.loughlinstown.ie/
Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/

0