These Webpages are no longer maintained. We are keeping the pages here to preserve some of the early years of ProjectDragonfly, to honor the students who created the interactives in the early days of the Web, and because many of the activities are fun and people are still using them. For current Project Dragonfly work, go


The ProjectDragonflyteam.

Small and Tall Links

(Mixed With Fun Facts)

Fruitfly Courtesy of MicroAngela (Tina Carvalho)

HOW TO MAKE A HOME-MADE MICROSCOPE: From the Science Learning Network.

An ostrich's eye is bigger than its brain.

MicroAngela's Electron Microscopy

You write about 2 kilometers before your ballpoint pen runs out of ink.

Keiko Cam: a web camera watching Keiko the whale -- live!

A frog recently discovered in Cuba is only 1 centimeter long, about as long as your fingernail.

The Letters "IBM" Written in Atoms: Eigler's "The Beginning." Xenon on Nickel produced with a Scanning Tunneling Microscope.

The longest word in the English language, according to the Oxford English Dictionary, is pneumonoultramicroscopicsilicovolcanoconiosis.

Hubble Cam: The latest pictures from the Hubble Space Station.

In 1988, the state of New Hampshire made a chocolate milkshake measuring 7,158 liters (about 1,891 gallons).

Digital Learning Center for Microbial Ecology Microbe Zoo. All Creatures Small and Very Small.

The African elephant is the largest living land animal, weighing up to 7,500 kilograms (8 tons) and standing 3 to 4 meters (10 to 13 feet) at the shoulder. How many more times does an elephant weigh than a field mouse?

The Malaysian Elephant Satellite Tracking Project: with pictures and movies.

The largest snake known is the reticulated python, which can reach 9.8 meters.

Scanning Microscope Gallery. From the IBM Almaden Research Center Visualization Lab.

Brachiosaurus was one of the largest, longest, and heaviest of all animals. This dinosaur measured 30 meters long and 18 meters high!

The Dinosaur Interplanetary Gazette: 245 Million Years of News.

The smallest pump ever made is no bigger than the tip of a finger. It moves between 10 and 30 nanoliters of liquid in one cycle (10- to 30-thousandths of a drop of water).

MicroAngela: Great pictures of really small stuff.

What is the mass of a smell? Japanese researchers report that the mass of the average smell is 760 nanograms. The researchers measured the mass of odors by dissolving them in fat and using an ultra-sensitive quartz crystal scale. To find out more about the difference between weight and mass check out Physics 2000 (a University of Colorado at Boulder Website).

Fuji Cam: a web camera watching the most photographed place in the world, the beautiful Mt. Fuji in Japan -- live!

The smallest guitar ever made is about the size of a human blood cell. Each of its six strings is 50 nanometers wide. If plucked, the strings sound but not loud enough for anyone to hear!

The Virtual Microscopy Website. Java-powered virtual microscopy models.

How Small? Small to Tall Small Links Orion Nebula Dragonfly

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