Notebook

Astronomy

Black Hole Explorations

What would it be like to orbit a black hole—or even to fall into one? You can find out by exploring the world of black holes in a Web site created by a team at the Space Telescope Science Institute in Baltimore, Md. For a fully interactive multimedia experience, click “Journey to a Black Hole” […]

Humans

From the July 11, 1936, issue

A new comet, stars as factories, and electricity in blood.

Astronomy

A Meteoroid Hits the Moon

This NASA Web page describes observations of a recent meteoroid impact on the moon, which created a new crater. It includes audio and a remarkable video of the impact. Go to: http://science.nasa.gov/headlines/y2006/13jun_lunarsporadic.htm?list43643

Earth

Visiting RadTown

The U.S. Environmental Protection Agency has launched an interactive Web site that uses an animated town to provide basic information on radiation in the environment—from lasers in a stadium light show to x rays at the dentist’s office. This virtual community shows the wide variety of radiation sources commonly encountered in everyday life. The site […]

Humans

From the July 4, 1936, issue

Tiny stratosphere probes, neutron rays for medicine, and secrets of ancient bones.

Humans

From the June 27, 1936, issue

A revolution in image transmission, a thicker molecular film, and diabetes on the rise.

Math

Mathematical Imagery

A new addition to the American Mathematical Society Web site, this set of pages features albums of math-inspired and mathematically-generated artworks. Many images can be sent as e-cards. The site also offers links to online galleries and museums and other resources about mathematics and art. Go to: http://www.ams.org/mathimagery/

Humans

From the June 20, 1936, issue

A lightning portrait, the effects of cosmic rays, and helium to prevent the bends.

Humans

Visible Proofs

This dramatic Web site from the U.S. National Library of Medicine unveils the world of forensic medicine, anthropology, technology, and history. The site includes information on significant cases, various technologies, and other topics. It also has three online activities and three lesson plans. Go to: http://www.nlm.nih.gov/visibleproofs/index.html

Humans

From the June 13, 1936, issue

A giant spectrographic camera and an electric fencing judge.

Tech

How Products are Made

What does it take to manufacture an accordion or a zipper? Organized alphabetically by product name, this intriguing Web site provides details on how a wide variety of everyday and basic products are made. Go to: http://www.madehow.com/

Humans

From the June 6, 1936, issue

Young robins ready to solo, threats from space, and molecule models.