3649

Californium 252.


Cost: $ 27 million per gram. for items that are so expensive to produce isotopes of californium not have any practical application. In the West, it was created only once since its opening in 1950.
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Where and how do the most expensive metal in the world
...
If you think that the most expensive metals - a gold and platinum, you're wrong ...)
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Top 10 most expensive substances in the world
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10 most expensive substances in the world
...
11 Signs You Have Too Many Things and It’s Time to Take Them Down
...
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Is it real?
...
The most expensive material
...
Expensive, very expensive, the most expensive
...
With nostalgia for the departed. TV series.
...
History of Rubik's Cube
...
Top 10 attractions abandoned Pripyat
...
Why Norwegian prison as the best?
...
Hobbies
...
Shipovka motocross rubber
...
Norwegian everyday life - in Halden Prison
...
Conditions in the prison is better than a 5-star hotel. Just in my head does not fit!
...
In that prison conditions are better than in the 5-star hotels!
...
A calorie book
...
Eco-house built from improvised funds for only $ 252
...
How to escape from the trap of news and stop worrying about what does not concern us
...
16 of the world's most materials
...
10 musicians
...
DETOX: 7 recipes SUPER healthy soups
 Antimatter.  Diamonds.