Notebook
- Tech
Cold Lighting
Solid-state light sources, such as light-emitting diodes, promise greater energy efficiency than do incandescent lamps. The Sandia National Laboratories has launched a Web site that offers articles, references, and other information on semiconductor-based lighting and its use for illuminating homes, offices, and public spaces. Go to: http://lighting.sandia.gov/
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From the April 30, 1932, issue
SPIRAL NEBULA IN ANDROMEDA BORDERED WITH STAR CLUSTERS Tiny flecks of hazy light around the borders of one of the most famous of the spiral nebulae, the one in the constellation Andromeda, are now believed to be great globular clusters of stars–literally swarms of suns crowded like clouds of gnats that hang over the marshes […]
- Physics
Fluid Beauty
Visualizations of a swirling jet, an insect’s wake, agitated sand, and other types of fluid motion can produce stunning images. The American Physical Society’s Division of Fluid Dynamics annually recognizes research efforts that generate images having both scientific merit and aesthetic appeal. Its gallery of fluid motion features a variety of winning photographs (pdf images) […]
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From the April 23, 1932, issue
WELDING OFFERS CAMERA STRIKING FIELD OF BEAUTY By no means a trivial by-product of electric welding is the field of beauty the new art is opening up for photographers. While electricity eliminates the irritating staccato of noisy riveting, the photographer focuses his camera on a glowing scene of shadow and light, man and steel. Such […]
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Ant Patrol
With more than 11,000 ant species now identified worldwide, the “Antbase” Web site serves as the definitive guide to these social insects. Hosted by the American Museum of Natural History, the site provides links to a variety of resources devoted to ants, including databases, image collections, and news articles. Go to: http://research.amnh.org/entomology/social_insects/
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From the April 16, 1932, issue
NEW INDIAN TOMB YIELDS STRIKING ARTIFACT The first picture to reach the United States of one of the most striking art objects recovered from Indian tombs recently opened at Guerrero, Mexico, is shown on the cover of this weeks Science News Letter. The vessel was photographed just as it was taken from the tomb, with […]
- Planetary Science
Jupiter’s Whirlpool
The surprising birth and rapid evolution of a giant vortex highlight the first movie of Jupiter’s polar regions seen in the ultraviolet. The movie and other Jupiter images from NASA’s Cassini spacecraft are available online at the Cassini imaging team and Jet Propulsion Laboratory Web sites. Go to: http://ciclops.org/view.php?id=58 and http://www.jpl.nasa.gov/releases/2002/release_2002_59.html
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From the April 9, 1932 issue
SPIDERS’ EGGS FORM PATTERN LIKE MOSAIC OF PEBBLES Like a rough mosaic of pebbles is the array of spider’s eggs photographed by Cornelia Clarke and reproduced on the cover of this week’s Science News Letter. Although smaller than small pinheads, the enlarging lens brought the eggs up to such apparent size that they were guessed […]
- Astronomy
Galaxy Hunter
At the interactive “Galaxy Hunter” Web site, students use data from the Hubble Space Telescope to investigate a bewildering assortment of deep-space galaxies in various stages of evolution–and learn statistical concepts such as sample variability and size along the way. Go to: http://amazing-space.stsci.edu/ghunter/
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From the April 2, 1932 issue
TELETYPEWRITERS CAN NOW BE USED IN HOME On the cover of this issue of the Science News Letter is shown a portion of the mechanism of the teletypewriter, a hybrid medium of communication. The new teletypewriter service is a telegraph system with telephone methods and typewriting thrown in for luck. It is now possible to […]
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Genetic Code Cracking
Can’t tell a base pair from a Bosc pear? The National Library of Medicine offers an impressive, informative Web site devoted to the intricacies of genetics and molecular biology. Its science primer explains basic concepts, from bioinformatics to gene maps. The site also points users toward helpful resources on topics such as the human genome. […]
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From the March 26, 1932, issue
EASTER LILY UNFOLDS TALE TO X-RAY’S PIERCING EYE Ordinarily it is necessary to pull a flower to pieces to find what it is doing at any given moment in its development–and that, naturally, precludes one from following its development any further. One must turn to other flowers, at other stages of their unfolding, and ruin […]
