Things, the existence of which everyone knows, but few have seen
There are words that we often hear in the news or even the use in question, but can not visualize. Just bad we present the look of the items they represent. We decided to make a little bit of clarity and talk about these mysterious things ...
About the look of the famous DNA spiral, all well-known. But few people know that it can be seen with the naked eye view of the length of the molecule.
To do this, prepare a solution (it can be done at home, see the instructions here or here). DNA it will look like a thready precipitate which can be wound on a stick, and even get dry and fibrous substance, as in the photo.
09. Black Box
Paradoxically, modern black box - mostly orange ball. There are several theories as to why it is so named:
First flight recorders were rectangular and black, as in the photo on the left.
Because of their mystery - because their contents remained a mystery for almost everyone.
The first recorders became black from the smoke after the plane crash.
Mastodon - a huge woolly proboscidian with massive tusks. This giant lived on our planet before the advent of the mammoths.
In fact, a mastodon looks very similar to the mammoth, and a layman would be easily confused these two mammals.
Gibraltar - overseas territory of the UK, which is located in the south of the Iberian Peninsula, near by the Spaniards.
This is a pretty interesting place: on a piece of land of only 6, 8 square meters. km speak in English and uses the pound and over the Strait of Gibraltar seen Africa. Even Gibraltar - the only place in Europe where monkeys live.
To be precise, bitcoin does not look in any way - it is a digital currency without physical embodiment.
C 2011, there are "cash bitcoins", which began to produce the company Casascius Bitcoin Mint. On the coins of the address and the key hidden under the hologram.
These tokens and cards used for cash payments, and hunt for them numismatists.
The big hairy spider that seems to many in this word - a tarantula, which is not even a relative of the present tarantula.
Tarantula is much smaller in size, it lives in the south of Eurasia and can bite - painful, but generally not dangerous. Went to this confusion is the fact that once all the major or dangerous spiders called tarantulas.
4. A barrel of oil
In recent years, the expression of many at the hearing. US oil barrel - a measure of the volume of oil, which is equal to 158, 987 liters, and it looks like that's such a barrel. The price of "black gold" in the world market are set in dollars per barrel.
3. The tail of an elephant
At the mention of the elephant's tail much comes to mind is something subtle and inconspicuous. So, it turns out, the elephant's tail is covered with long bristles as the brush. African tribes used the hair to make bracelets. Seeing this reminded a joke: "Why did the elephant's tail? That he did not end up at once! ".
2. Large Hadron Collider
The largest experimental installation in the world is located near Geneva, on the border of Switzerland and France. From the height Hadron Collider did not see, as it is located underground.
Roughly speaking, the installation consists of a closed tube length of 27 km, in which the elementary particles are dispersed and face each other to see their disintegration into smaller fragments.
Have to set up and a smaller ring for the initial acceleration stage.
1. License disk as Adobe
We are, of course, on what does not hint, but suddenly someone did not see ...