Delicious
Digg
Reddit
Facebook
Google
Yahoo
TechnoratiTransuranics
Everybody,
It was known that in many countries, the public exhibition of real objects and photos of transuranics (post-92 elements)are illegal. But why do they do so?
Another thing is, this rules can never be totally run, as Americium is inside the smoke detector, which basically every company has some. Also, natural Plutonium can be earned by collecting Beryl-Uranic alloys. The alpha decay between the Uranium and the Beryllium bombarded by the alpha decay of Uranium would eventually build up Plutonium.
This kind of Beryl-Uranic alloys are natural occuring in many Beryls and Pitchblendes (ores for Beryllium and Uranium).
Then, why and how is the rule made and put in force? And what's the use if it can't be effective? And why many countries don't have these rules?
In the 19th century, before Roentgen discovered radioactivity, Uranium was used as an alloying agent in steel; old public buildings there are filled with U-alloy steels. As Marie Curie first noted, pitchblende is more intensely radioactive than pure U and she surmised the existence of another radioactive element. As it turned out there were several, the decay products of U, and that's the problem, as U decays it produces more intensely radioactive by-products. Curie herself died of aplastic anemia, a consequence of radiation poisoning.
Scarf,
Telling me about the states is useless. I'm from China.
For a chemist, the location of a phenomenon is of secondary importance. Chemical facts are universal.
Chemical facts and overviews are universal, but behaviour relates to the place's climate and weather.