Summary List Placement
To dig to China, you’d need to start your journey from Chile or Argentina — the location of China’s antipode (or opposite point on Earth).  
You would need a super-powered drill to get through rock and metal within Earth’s three layers.
First, there’s the Earth’s crust. It’s the thinnest of three main layers, yet humans have never drilled all the way through it.
Then, the mantle makes up a whopping 84% of the planet’s volume.
At the inner core, you’d have to drill through solid iron. This would be especially difficult because there’s near-zero gravity at the core. 
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Following is a transcript of the video.

Narrator: If you want to get to the opposite end of the world, it’s a hike. About 20,000 kilometers. But what if you didn’t have to travel across the surface? What if you could dig straight through to the other side?

If you’re trying to dig to China from the US, there’s something you should know first. The opposite point on the planet isn’t in China. It’s somewhere in the middle of the Indian Ocean. So, to get to China, you should start digging in either Argentina or Chile.

Your first challenge …read more

Source:: Businessinsider – Technology


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