The Cutting Edge: COMPUTING / TECHNOLOGY / INNOVATION

America Online

Friday, 8 p.m: Michael Crichton, who wrote “Jurassic Park,” talks about his latest book, “The Lost World” in an on-line conference. Keyword: Centerstage

Monday, 5 p.m: Pop singer Judy Collins talks about her career and answers questions. Keyword: Centerstage

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Compuserve

Thursday, 7 p.m: Author Ted Allrich, who wrote “The On-line Investor, reveals his investment strategies in an on-line conference. Go CONVENTION

Tuesday, 5 p.m: “Car Talk” hosts Tom and Ray Magliozzi, better known as Click and Clack, will solve your car-related troubles on-line. Go CONVENTION

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Prodigy/TimesLINK

Thursday, 6 p.m: Jeffrey Levy of the Environmental Protection Agency takes questions as part of “Ozone Layer Awareness Week” in a Prodigy on-line chat. Jump: CHAT

*Internet

A new movie site, created by the hot Santa Monica Web developer rVision, debuts with a revealing look at the new MGM-UA film, “Showgirls.” https://www.Flimzone.com/

If you’re looking for someone’s e-mail address on the Internet you may find it stored in the Okra database, which contains more than 700,000 listings. https://okra.ucr.edu/okra/