From the page: "The skeptical scientist might be tempted to verify the result experimentally, by explicitly counting all the possible ways to make change. The pre-war 1-pengﾅ` coin has a diameter of 23 mm and a thickness of 1.5 mm. A single vertical stack of 1020 coins requires 16 light-years of headroom, so you would have to choose a location for the experiment that stays clear of various celestial bodies such as Proxima Centauri (4.24 light-years away). Even if you split the stacks up, the total coin volume of 68720 cubic kilometers (assuming a circle-packing ratio of 0.9069) is sufficient to fill Lake Superior five times over and still have change left. The silver content of the coins alone would make the budget for such a project very difficult to justify to many funding agencies. Besides, even using your favorite cryptocurrency instead of physical coins, you would not have time to go through a significant fraction of the (more than) 1011,140,086,259 partitions before the presumed heat death of the universe sets in 10150 years from now."