30, 20, and 10 Years Ago in OPN

Hannah Greenwood

The “face on Mars”; lasers track docking spacecraft; Hertz’s monumental discoveries.

Log in or Become a member to view the full text of this article.

This article may be available for purchase via the search at Optica Publishing Group.

Optica Members get the full text of Optics & Photonics News, plus a variety of other member benefits.

Publish Date: 01 June 2011

Add a Comment

Share this Article