Do you scientists think you can go into the past, change 1 little thing, and come back to the future to see that the

Question: Do you scientists think you can go into the past, change 1 little thing, and come back to the future to see that the world has changed massively in a good way?
- Keywords:
  time travel
Asked by gotanygrapes to Alessandro, Angela, Claudia, Marina, Phil on 18 Mar 2013.
- Angela Marqui answered on 18 Mar 2013:
  
  no, I don’t think we can into the past. All we can do is to try with our present to build a better future.

Question: Do you scientists think you can go into the past, change 1 little thing, and come back to the future to see that the world has changed massively in a good way?