Visualizing 1 Million

vlogbrothers put out a neat youtube video today about our poor comprehension of big numbers.

Here's my way of visualizing 1 million.  This image is 1000 pixels * 1000 pixels. It has a dot every other pixel so has 500 x 500 = 250,000 dots.

By printing this scaled to fit on a single US letter page, most modern office printers should be able to print at a resolution such that individual dots are just visible.  Print 4 pages, and stitch together and voila... 1 million dots: