According to David Eagleman, professor at Stanford University and the author of The Brain: The Story of You, pursuing new settings, new activities, and new experiences is the best way to “stretch time,” so to speak. It all comes down to what your brain perceives as novel. When you spend time doing something unfamiliar, your brain focuses more on collecting the data associated with the activity, thus creating a more thorough memory of the experience. When you reflect on that memory, it feels like you had more time… More at Lifehacker.
I haven’t had time to read this fully, but anything that attempts this is good in my eyes.