8 Things We've All Heard About But Never Seen
There are words and phrases that we often hear and even use in our vocabulary, but we have no idea how to visualize these words. Or rather, our understanding of these subjects is extremely vague.
We decided to give some clarity to these mysterious things.
6 PHOTOS
1. Black box.
Sounds weird, but the black box is currently usually an orange sphere. There are a number of hypotheses as to why it got its name:
The first flight recorders were indeed a black box.
Because of the secrecy of their contents.
2. Mastodon.
Mastodons were huge woolly animals with large tusks like those of mammoths. But they lived before mammoths.
In fact, they closely resembled mammoths, and one can easily confuse these beautiful animals.
3. Gibraltar.
Gibraltar is a British territory located in the south of the Iberian Peninsula, sharing a border with Spain.
And this is a very interesting place, which is a piece of land of 6.8 square kilometers, where you can speak English and pay in pounds to see Africa.
4. Bitcoins.
To be more precise, bitcoins are like nothing else: they are a digital currency with no physical equivalent. It rotates on different cryptocurrency exchanges.
However, since 2011, Casascius Bitcoin Mint has been issuing "cash bitcoins". The coins carry an address and a key hidden under a hologram.
These tokens and cards are used for cash payments. They are also an object of special numismatic interest.
5. Elephant tail.
At the mention of an elephant's tail, many of us think of something subtle and inconspicuous. As it turned out, the tail of an elephant is covered with long bristles, like a brush. Africans use this hair to make bracelets.
6. Large Hadron Collider.
The world's largest experimental facility is located near Geneva, on the border of Switzerland and France. It cannot be seen from above, as it is underground.
Roughly speaking, the collider is a 27-kilometer closed tube where elementary particles are accelerated and collided to show how they break up into even smaller fragments.
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