TB Cover 0721_1.qxp_Layout 1 6/21/21 2:33 PM Page 1 July 2021 www.techbriefs.com Vol. 45 No. 7 Welcome to your Digital Edition of Tech Briefs July 2021 New AI Tool Protects Firefighters 3D Printing: The Importance of Resolution and Recycling Taking Out the Trash, NASA-Style How to Navigate the Magazines: At the bottom of each page, you will see a navigation bar with the following buttons: Arrows: Click on the right or left facing arrow to turn the page forward or backward. Introduction: Click on this icon to quickly turn to this page. Cover: Click on this icon to quickly turn to the front cover. Table of Contents: Click on this icon to quickly turn to the table of contents. Zoom In: Click on this magnifying glass icon to zoom in on the page. Zoom Out: Click on this magnifying glass icon to zoom out on the page. Find: Click on this icon to search the document. You can also use the standard Acrobat Reader tools to navigate through each magazine. Cov ToChttp://www.abpi.net/ntbpdfclicks/l.php?202107TBNAV