If the Moon Were Only 1 Pixel

A tediously accurate map of the solar system.

Scale Of The Universe

Great flash website that shows the scale of the universe.

Running the Numbers

An interesting set of pictures by Chris Jordan that shows the sizes of various U.S. consumptions.

The History of the Earth in a Toilet Paper Roll

The earth is over 5 billion years old. Life first originated in the oceans 3.4 billion years ago. The dinosaurs died out 65 million years in the past. Human recorded history stretches back 10,000 years in time.

These numbers are too large to visualize, and difficult to compare. Here's an easy way to put time in perspective, and actually visualize different eras in the earth's history. You'll need a roll of toilet paper, a long hallway, and some sticky notes.

Click here for more information.

Scaling and Counting Concepts

Secret Worlds: The Universe Within (Powers of 10) shows you the scale of the universe and the microscopic world.

The MegaPenny Project helps you to visualize large numbers.

A Dot for Every Second in the Day

Very interesting website that shows you how things are scaled. Similar to Starship Dimensions.

Starship Dimensions

Okay, this isn't a mathematical post per se, but it does make use of dimensions and exponents.

Note: The images on that site are all exactly to scale, 10 pixels to a meter. Internet Explorer users may Click and Drag the starships to compare them as you like. At the bottom of the image are some contemporary vehicles and buildings for reference. Have fun!