World Science Scholars
12.1 The Twin Paradox

The math version of this course, Special Relativity, is coming soon. If you’d like to be notified when it becomes available, please email

You must be logged in to reply to this discussion.
what if gracie travels in a curved space starts and end at george's place then what could happen?

Share with others

Select this checkbox if you want to share this with all users

Select Users

Enter the usernames or email IDs of the users you want to share with

Please enter message

Explain why you want them to see this

Send this to a friend