Today, we take a look at the history behind 3D motion capture animations, scratch-test a nearly indestructible sapphire display, watch iOS users join the AR war of Ingress and learn about a $20 chip that detects diabetes. Read on for Engadget's news highlights from the last 24 hours.

What you need to know about 3D motion capture

The virtual simians in Dawn of the Planet of the Apes are impressively lifelike, but 3D motion capture animations haven't always been so awe-inspiring. Read on as Steve Dent explains the history behind this century-old technique.

Sapphire phone displays are tough, but the realities are even tougher

What do 45th wedding anniversaries and next gen smartphones have in common? Sapphire, that's what. This nearly indestructible gemstone makes the toughest displays on earth, but not without a hefty cost.

Google's augmented reality turf war, 'Ingress,' arrives on iOS

Apple device users, listen up. As of today, Google's augmented reality sci-fi game called Ingress is available on iOS. Now you too can join the invisible war alongside your Android-using compadres.

MakerBot 3D printers now available in a dozen Home Depot stores

Want to get your hands on a 3D printer? You could buy one online, but folks in 12 select areas can now purchase models from MakerBot's Replicator line at their local Home Depot.

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Engadget Daily: 3D motion capture, the tough reality of sapphire displays and more!