Re: opposite of relativistic time contraction

Bryan Derksen wrote:
> Ben Crowell wrote:
>> Suppose we have an intelligent species with control over godlike
amounts
>> of matter and energy. They can make black holes from scratch, for
>> instance. Now let's say they want to make time flow more rapidly
>> for a certain observer than for the observers out in flattish
spacetime.
> 
> It probably wouldn't be useful to these aliens, but I recall reading a 
> while back that to a hypothetical observer who's out in the middle of a 
> galactic supervoid will have had a significant amount of extra time pass

> since the beginning of the universe due to the absence of gravitational 
> effects from nearby matter.

Cool! Although decamping to a supervoid seems a big price to pay in
return for an incremental increase in the amount of time you have
available to think deep thoughts or perfect your free throw :-)