Instant Index: Scientists Make 'Invisibility Cloak' a Reality

VIDEO: Diane Sawyer reveals the top stories that have people buzzing this week.

From the unconventional and awe-inspiring to the hilarious and heartwarming, here's a look at some of the most interesting photos, videos and stories that have our newsroom talking today. What's capturing your attention, filling your inbox and cluttering your Facebook/Twitter feed? Tweet us the stories you're talking about using #InstantIndex or email us at and they could appear on World News.

Celebration in Technicolor From around the world today, images from the Hindu festival Holi made their way into our newsroom. The festival of colors marks the start of spring and the triumph of good over evil.

Click Here for More Photos of Holi

Daniel Berehulak/Getty Images

Invisibility Cloak Scientists at the University of Texas in Austin are perfecting an invisibility cloak. It's made of copper fishnet that cancels out light waves. Ultimately, they want the cloak to work in broad daylight. Right now, it only works in microwave light.

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