Name: 5,000 Spheres Under the Ice in Antarctica
Uploaded: 2026-03-04T21:38:32.000Z
Duration: 1 min 14 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

Participle clauses

There are over 5000 basketball sized spheres deep under the ice in Antarctica, trying to detect something that no one can see.

This is one of the largest science experiments in the world, and

Transition words & phrases

it was nearly impossible to build because drilling into Antarctica is hard.

The first 45 meters down is firmly packed snow.

Copper pipes full of boiling water make it super hot, melting its way through the snow.

But then you hit solid ice and you need to switch to a different kind of drill that instead of just being shoots out boiling water at 760 liters per minute to melt right through.

Then they need sensors like this to measure the hole's diameter to make sure it stays a consistent size.

And don't even get me started on how they get hot water to the coldest, driest, windiest place on Earth in the first place.

It took over two days and tons of resources to drill a single hole.

But they did it 86 times, spanning enough ice to fill a million swimming pools.

And then they connected thousands of detectors on cables and dropped them into the holes where they now sit, frozen and isolated in total darkness, waiting for something deep out in space.

To find out what they're waiting for, subscribe.