Uncategorized

Computing

Computer, Name That Tune!

Computers can analyze music mathematically and use the result to track down songs, without even knowing the composer, performer, or title.

Humans

From the April 24, 1937, issue

Solving a local mystery and closing in on chlorophyll synthesis.

Humans

Federal Citizen Information Center

This unit of the U.S. government provides practical guides and fact sheets, most of which are free, on a variety topics related to particular aspects of health, food, computers, and more. Recent free documents include “Sleep Disorders,” “Sunscreens and Tanning,” and “Internet Auctions: A Guide for Buyers and Sellers.” Go to: http://www.pueblo.gsa.gov

Earth

Ash Detector: Laser device could protect aircraft in flight

Analysis of a volcanic plume that wafted over central Alaska suggests that polarized laser beams can detect airborne ash, which can be a threat to aircraft.