Friday, June 08, 2012

TOP 16 MOST EXPENSIVE IN THE WORLD


1. Antimatter 


Antimatter ( $ 62.5 trillion / gram ) is not much in nature. More human encounter with the matter, the objects around us. Why did like it, no one knows, except that there is in a phase of the Big Bang in which the number of particles more than antiparticles. Because if there is antimatter and matter meet, his opponent was, would occur with both annihilation gamma-ray burst of energy. Ten thousand times greater than a nuclear explosion (four orders of magnitude). So if there is a natural source of antimatter that can be controlled, then we will get the energy is very abundant. In Angels and Demons, Dan Brown’s villain steals some antimatter, to make a bomb.1 gram of antimatter would be enough for a bomb.


2. Californium




Californium ( $27 million / gram) is a radioactive metallic chemical element with the symbol Cf and atomic number 98. The element was first made at the University of California, Berkeley in 1950 by bombarding curium with alpha particles (helium-4 ions). It is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all the elements that have been produced in amounts large enough to see with the unaided eye (after einsteinium). The element was named after California and the University of California. It is the heaviest element to occur naturally on Earth; heavier elements can only be produced by synthesis.


3. Diamond


Diamond ( $55 million / gram ) has remarkable optical characteristics. Because of its extremely rigid lattice, it can be contaminated by very few types of impurities, such as boron and nitrogen. Combined with wide transparency, this results in the clear, colorless appearance of most natural diamonds. Small amounts of defects or impurities (about one per million of lattice atoms) color diamond blue (boron), yellow (nitrogen), brown (lattice defects), green (radiation exposure), purple, pink, orange or red. Diamond also has relatively high optical dispersion (ability to disperse light of different colors), which results in its characteristic luster. Excellent optical and mechanical properties, combined with efficient marketing, make diamond the most popular gemstone. 

4. Tritium



Tritium ( $ 30.000 / gram ) is a radioactive form of hydrogen, used in research, fusion reactors and neutron generators. The radioactive properties of tritium are very useful. By mixing tritium with a chemical that emits light in the presence of radiation, a phosphor, a continuous light source is made. This can be applied to situations where a dim light is needed but where using batteries or electricity is not possible or practical. Rifle sights and exit signs are two examples of where this phenomenon is commonly used. The phosphor sights help increase nighttime firing accuracy and the exit signs can be life saver if there is a loss of power. The radioactive decay product of tritium is a low energy beta that cannot penetrate the outer dead layer of human skin. Therefore, the main hazard associated with tritium is internal exposure from inhalation or ingestion. In addition, due to the relatively long half life and short biological half life, an intake of tritium must be in large amounts to pose a significant health risk. Although, in keeping with the philosophy of ALARA, internal exposure should be kept as low as practical.



5. Taaffeite


Taaffeite ( $ 20.000 / gram ) is a mineral, named after its discoverer Richard Taaffe (1898–1967) who found the first cut and polished gem in November 1945. As such, it is the only gemstone to have been initially identified from a faceted stone. Most pieces of the gem, prior to Taaffe, had been misidentified as spinel. For many years afterwards, it was known only in a few samples, and is still one of the rarest gemstone minerals in the world.


6. Painite 


Painite ( $ 9000 / gram ) is an orangish or reddish brown, with the brown tint coming from iron in the crystal. It was first discovered in Burma in the 1950s and was widely considered to be the rarest of all gems, with only two faceted crystals in existence. Within the last couple of years, however, the source of the original painite crystals was discovered, and now a few hundred faceted stones exist.

7. Plutonium 


Plutonium ( $ 4000 / gram ) is the heaviest primordial element by virtue of its most stable isotope,plutonium-244, whose half-life of about 80 million years is just long enough for the element to be found in trace quantities in nature. Plutonium is mostly a byproduct ofnuclear fission in reactors where some of the neutrons released by the fission process convert uranium-238 nuclei into plutonium.


8. LSD


LSD ( $ 3000 / gram ) well known for its psychological effects which can include altered thinking processes, closed and open eye visuals, synaesthesia, an altered sense of time and spiritual experiences, as well as for its key role in 1960s counterculture. It is used mainly as an entheogen, recreational drug, and as an agent in psychedelic therapy. LSD is non-addictive, is not known to cause brain damage, and has extremely low toxicity relative to dose, although in rare cases adverse psychiatric reactions such as anxiety or delusions are possible.

9. Cocaine


Cocaine ( $ 215 / gram ) that have street name Coke, snow, flake, blow. Cocaine (benzoylmethylecgonine) is a crystalline tropane alkaloid that is obtained from the leaves of the coca plant. The name comes from "coca" and the alkaloid suffix -ine, forming cocaine. It is a stimulant, an appetite suppressant, and a topical anesthetic. Biologically, cocaine acts as a serotonin–norepinephrine–dopamine reuptake inhibitor, also known as a triple reuptake inhibitor. It is addictive because of its effect on the mesolimbic reward pathway.

10. Heroine


Heroin ( $ 130 / gram ), also known as diamorphine , is an opiate analgesic synthesized by C.R. Alder Wright in 1874 by adding two acetyl groups to the molecule morphine, a derivative of the opium poppy. When used in medicine it is typically used to treat severe pain, such as that resulting from a heart attack. It is the 3,6-diacetyl ester of morphine, and functions as a morphine prodrug (meaning that it is metabolically converted to morphine inside the body in order for it to work). The white crystalline form considered "pure heroin" is usually the hydrochloride salt, diacetylmorphine hydrochloride. When heroin is supplied illegally, though, it is often adulterated to a freebase form, dulling the sheen and consistency to a matte-white powder


11. Rhino Horn 


Rhino ( $ 110 / gram ). In the Middle Eastern country of Yemen, the horn continues to be coveted by Muslim men, although imports were banned in 1982. The material, whose luster increases with age, is used for the handles of curved daggers called “jambiya,” which are presented to Yemeni boys at age 12. Jambiya are considered a sign of manhood and devotion to the Muslim religion, and are used for personal defense. Yemeni men place great value on the dagger handles, which are commonly studded with jewels. In China, the ornamental use of rhino horn dates back to at least the 7th century AD. Over the centuries, rhino horns have been carved into ceremonial cups, as well as buttons, belt buckles, hair pins, and paperweights.

12. Methamphetamine


Methamphetamine ( $ 100 / gram ) is a psychostimulant of the phenethylamine and amphetamine class ofpsychoactive drugs. Also known as meth and tik.

13. Platinum 


Platinum ( $ 60 / gram ) is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Because only a few hundred tonnes are produced annually, it is a scarce material, and is highly valuable and is a major precious metal commodity. Being a heavy metal, it leads to health issues upon exposure to its salts, but due to its corrosion resistance, it is not as toxic as some metals. Its compounds, most notably cisplatin, are applied in chemotherapy against certain types of cancer.

14. Rhodium 


Rhodium ( $ 58 / gram ) is a silver-white metallic element, is highly resistant to corrosion, and is extremely reflective. It is used as a finish for jewelry, mirrors, and search lights. It is also used in electric connections and is alloyed with platinum for aircraft turbine engines. Another use is manufacturing of nitric acid and used in hydrogenation of organic compounds. Rhodium usage is dominated by automotive catalyst applications where it is used together with platinum and palladium to control exhaust emissions.

15. Gold


Gold ( $ 56 / gram ) has been highly valued in many societies throughout the ages. In keeping with this it has often had a strongly positive symbolic meaning closely connected to the values held in the highest esteem in the society in question. Gold may symbolize power, strength, wealth, warmth, happiness, love, hope, optimism, intelligence, justice, balance, perfection, summer, harvest and the sun.


16. Saffron


Saffron ( $ 11 / gram ) has a long medicinal history as part of traditional healing; several modern research studies have hinted that the spice has possible anticarcinogenic (cancer-suppressing), anti-mutagenic (mutation-preventing), immunomodulating, and antioxidant-like properties. Saffron stigmas, and even petals, may be helpful for depression. Early studies show that saffron may protect the eyes from the direct effects of bright light and retinal stress apart from slowing down macular degeneration and retinitis pigmentosa (Most saffron-related research refers to the stigmas, but this is often not made explicit in research papers.) Other controlled research studies have indicated that saffron may have many potential medicinal properties.







Ditulis Oleh : Zeth Modezzty // 14:44
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