Do you remember those funny pictures of space-time with a florescent orange framework at the point of view is speeding past? Well, the framework is built of events of interest. And what happens is that during the week, such events are few and far between, while during the weekend, they are jammed as close as you can get them. So, as the theory of relativity tells us, when you're happy, a day goes by in a flash, but when you're dragging, a minute can seem like a mile.
Now, for the extracredit points, the student may explain black holes in human time, preferably without mentioning relatives such as Uncle Freddy, even though he is a pure waste of time. :-)
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Do you remember those funny pictures of space-time with a florescent orange framework at the point of view is speeding past? Well, the framework is built of events of interest. And what happens is that during the week, such events are few and far between, while during the weekend, they are jammed as close as you can get them. So, as the theory of relativity tells us, when you're happy, a day goes by in a flash, but when you're dragging, a minute can seem like a mile.
Now, for the extracredit points, the student may explain black holes in human time, preferably without mentioning relatives such as Uncle Freddy, even though he is a pure waste of time. :-)