Notebook
- Math
Pentomino Pursuits
Pentominoes are flat shapes, or tiles, formed by joining together five unit squares. There are 12 different pentominoes. This set of simple geometrical objects has inspired a variety of puzzles and games, including the addictive pastime known as Tetris. The pentomino Web site, created by students of Belgian math teacher Odette De Meulemeester, provides all […]
- Humans
From the November 9, 1935, issue
Beauty in a machine shop, a cloud of island universes, and moon-made earthquakes.
- Astronomy
Moon Zoom
Imagine riding a magic carpet around the moon and being able to zoom down to any point or appear magically at any location. NASA has developed software that allows you to interactively browse three-dimensional images of the moon, based on data obtained by the Clementine spacecraft. These Web pages provide information about downloading the software, […]
- Humans
From the November 2, 1935, issue
Indian Pipe's waxen beauty, the need for better brakes, and a new magnetic alloy.
- Health & Medicine
About Sinuses
This Web site from Dr. Wellington S. Tichenor examines the symptoms and treatment of sinusitis and other sinus diseases, as well as the interrelated problems of allergy and asthma. The site defines sinusitis and provides information on treatment regimens, fungal sinusitis, surgery, sinusitis in children, and more. Go to: http://www.sinuses.com/
- Humans
From the October 26, 1935, issue
Electric light without wires, lab-grown flu virus, and superhard glass.
- Astronomy
Spooky Sounds of Saturn
For Hallowe’en, tune in to eerie, bizarre sounds from the Saturnian system. These NASA Jet Propulsion Lab Web pages provide sound files based on magnetometer data from Cassini spacecraft observations of Saturn’s moon Enceladus, radar echoes from Titan’s surface, Saturn’s radio emissions, and more. Go to: http://saturn.jpl.nasa.gov/multimedia/sounds/
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- Humans
Misleading Numbers
The “Number Watch” Web site focuses on “misleading” numbers that appear in the media and are often used to promote specific causes, as compiled by retired engineering professor John Brignell of the University of Southampton. Brignell also offers online resources on statistics and statistics education. The FAQ section includes answers to such questions as “Is […]
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- Earth
Iceberg Thrills
The Ocean World Web site offers lessons devoted to icebergs, accompanied by dramatic images. Students can learn about the different colors of icebergs, their classification, and their life cycle. The Web site also presents the dangers that icebergs pose to people as well as their potential benefits to desert dwellers. It includes a glossary and […]
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