Antarctica shock: Watch scientists drop ice down a borehole – What happens is incredible

In the video, you can see the scientist drop a chunk of ice down a long and dark hole in the Antarctic shelf.

As the chunk bounces around the borehole it creates a fascinating cacophony of noise that culminates in a very unusual ‘ping’ sound, much like a bullet ricocheting off of a wall.

The ice also appears to produce a more ominous, heartbeat-like rhythm after reaching the bottom of the tunnel.

The video became a viral hit with more than 17,700 retweet and more than 10.1 million views on Twitter.

But what is even more fascinating, is scientists have been repeating the experiment over and over again, always creating the same sound effect.