So you want to build an unsinkable passenger liner? Well, there is an app for that!  OK, not really, but National Geographic has developed a free “Building the Titanic” app for the iPad, which looks at the construction of the ship.   Preview the app here: Building Titanic: An Interactive Timeline or download from the App Store: Building Titanic

Now, with the free Building Titanic app, travel back in time and witness Titanic’s construction. You control the assembly of the majestic liner as you explore a dynamic interactive timeline and watch the great ship being built in simulated time-lapse, right before your eyes. 

• Over 50 in-depth points-of-interest along a dynamic interactive timeline of her construction.
• More than 100 rare photos detail every aspect of her assembly.
• Incredible archival film shows the laborers who built her in action.
• Special previews of upcoming James Cameron and Bob Ballard Titanic documentaries from the National Geographic Channel.