Cortona is the client for MS Internet Explorer and Netscape Navigator, capable of browsing virtual worlds written in VRML. Highly optimized for complex VRML rendering, performance and ease of use, Cortona is the smallest and fastest available plug-in browser which allows users to view immediate changes in 3D scenes. Cortona supports: VRML 97, Java language and JavaScript,NURBS, Spline, Keyboard Sensor, Drag & Drop, RealVideo, RealAudio, Macromedia Flash animation, 3D Text, External Authoring Interface (EAI) and 2nd EAI for Internet Explorer.Other features: VRML Automation Interface (Automation Interface for managing VRML scenes) based on the ActiveX Automation technology.Automatic component installation technology.Andvanced rendering: reflection mapping, enhanced anti-aliasing for both static and dynamic scenes.Joystick support.VR 3D Glasses for 3D scene stereo viewing