[tector]

Here's the article, in fact (SI's archive is down right now--the article is from 1989), but the Google and Yahoo caches seem to have it all:

http://goo.gl/l1Hrf

http://goo.gl/FIlYs

http://goo.gl/u3KB3

http://goo.gl/sBwUs

http://goo.gl/mRVyA

http://goo.gl/TzR67

http://goo.gl/sZEs1

http://goo.gl/psmul