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We Describe the World

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The Microscope: Our Window on the World

13 minutes 3 seconds

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Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

Magnified view of roughly cube shaped object with a textured surface. Caption: (narrator) This is how one tiny grain of pollen looks

Gives a general introduction to microscopes, a device invented 400 years ago. Begins with a simple magnifying glass and moves to the optical, confocal, electron, scanning electron, and the scanning tunneling microscopes. Shows that each one "sees" with increasing detail. The microscope opens invisible worlds and aids scientists in improving ours.

Media Details

Runtime: 13 minutes 3 seconds

Topic: Science
Subtopic: Science Methods
Grade/Interest Level: 4 - 8
Standards:

Release Year: 1999
Producer/Distributor: Allegro Productions
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A butterfly sits on a metal head. Caption: can see regular color images and near infrared.

A self healing reverse filter. On screen text, 1 centimeter. 1 time real time, 7 to 3 ratio, D I water to glycerol, 0.0083 M S D S. Caption: and it self heals after the object passes.

A 360 view of the clouds and the tree tops. Caption: Clouds play a pivotal role in our planet's climate,

The illustration depicts the distress signals sent by the plant, when the caterpillar munches on its leaves. On screen text, Larva, Pieris rapae. Caption: Here's a caterpillar munching through a leaf.

A graphical illustration of a star. Caption: reveal the inner workings of these rare stars,

A group of people visiting an active volcano. Caption: scientists visited New Zealand's topol volcanic zone,

A man with a shovel standing besides a water body. Caption: The team wants to see what other pollutants are recorded.

Illustrations depict a cell placed above the graphene, which is illuminated by a light bulb. Caption: The more intense the light, the faster the cells beat.

A biological skin and a bioinspired e skin. The e skin consists of synthetic layers instead of biological layers. Caption: work together to give our hands their extraordinary sensitivity.

A diagram illustrates certain traits recurring in a grain plant. Caption: Those traits remain the same generation after generation.