The interactive digital objects on this site needs Adobe Flash Player for display and view. Different web browsers have different security settings to enable or disable flash interactive video to be played and/or to be viewed. Flash Player can function directly within web browsers such as Google Chrome, Mozilla Firefox, or Safari, as plugins. In most cases, it's just a matter of allowing content display as illustrated with the following two screenshots for Google Chrome and Mozilla Firefox.
Allowing flash file display with Mozilla Firefox
Allowing flash file display with Google Chrome
Below are more detailed directions for you to install, test, and use Flash Player plugins properly to best use the interactive content on this site.