When the wax surrounding the nail melts, the nail clatters onto a plate below.

Each gold medal is made up of 92.5 percent silver and 1.34 percent gold, with the remainder copper.

Metal Wire

SJ I think it's under my right hand.

So, now you don't know where the spike is, and I don't know where it is either, OK.

KB Now, Steve, do you think it's here? Yes or no?

It is completely metallic at 155 GPa.

Now, Steve, you know where the spike is, but nobody else, does? Correct?

Do you think the spike is under your left hand, or under your right hand?

Natrophilite is a mineral with the chemical formula NaMnPO4.

It is the silicon analogue of geikielite (MgTiO3).

Surely there is a mine for silver, and a place for gold which they refine.

Surely there is a vein for the silver, and a place for gold where they fine it.

Artroeite (PbAlF3(OH)2) is a mineral found in Arizona.

Santite (KB5O8 4H2O) is a mineral found in Tuscany, Italy.

The death knell for the Spanish Empire in the Americas was Napoleon's invasion of the Iberian peninsula in 1808.

Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2.

Recent developments in molecular biology have put the final nail in the coffin of traditional genetic determinism.

Abhurite is a mineral of tin, oxygen, hydrogen, and chlorine with the formula Sn3O(OH)2Cl2.

Vaesite (NiS2) is a mineral found together with cattierite in the Democratic Republic of Congo.

Don't move the cups, because I don't want anybody to see where the spike is, but give the plinths an extra mix up, and then line them up, like this, all right?

Kaatialaite (Fe(H2AsO4)3 5H2O) is a ferric arsenate mineral found in Finland.

Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb5(VO4)3Cl.

Kadyrelite is a mineral with the chemical formula Hg4(Br,Cl)2O discovered in 1987.

Akatoreite ((Mn2 , Fe2 )9Al2 (OH)3_HSi4O13 ) is a mineral found in New Zealand.

Saneroite (Na2(Mn,Mn)10Si11VO34(OH)4) is a mineral found in Italy.

Australia has substantial deposits of uranium which account for 30 of the world's known reserves.

Under a microscope afwillite looks like wollastonite, which is in the same family as afwillite.

Akimotoite is a rare silicate mineral ((Mg,Fe)SiO3) in the ilmenite group of minerals.

The process for copper is very similar, but the efficiency and kinetics depend on the copper mineralogy.

In geology, beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6.

Osarizawaite is a greenish yellow sulfate mineral with the chemical formula PbCuAl2(SO4)2(OH)6.

The silver medal (which represents second place) is made up of 92.5 percent silver, with the remainder copper.

Svanbergite is a colorless, yellow or reddish mineral with the chemical formula SrAl3(PO4)(SO4)(OH)6.

Bayldonite (BAIL done ite) is a rare secondary mineral with the chemical formula PbCu3(AsO4)2(OH)2.

STANFORD Last January, China s environmental authorities barely averted the contamination of nearly three million people s drinking water after a mining company dumped cadmium a toxic heavy metal used in the manufacture of batteries, paint, solder, and solar cells into the Longjiang River.

He theorized that every metal was a combination of these four principles, two of them interior and two exterior.

Upalite (Al(UO2)3(PO4)2O(OH) 7H2O) is a mineral found in the Democratic Republic of Congo.

It crystallizes in the trigonal crystal system in space group R. It is the silicon analogue of geikielite (MgTiO3).

Hectorite is a rare soft, greasy, white clay mineral with a chemical formula of Na0.3(Mg,Li)3Si4O10(OH)2.

Normal functioning of the kidney, brain, liver, heart, and numerous other systems can be affected by uranium exposure, because uranium is a toxic metal.

In 1964, further study of the mineral identified inconsistencies between electron density subtraction maps and the chemical evidence that abernathyite contains potassium.

It is biaxial and its 2V angle, the measurement from one optical axis to the other optical axis, is 50 56 degrees.

Lepidolite is a lilac gray or rose colored member of the mica group with formula K(Li,Al,Rb)3(Al,Si)4O10(F,OH)2.

KB OK. Now, Steve, I'm going to stand in front of the table, OK. When I stand in front of the table, I want you to put the cups on the plinths, like this, in any order you want, and then mix them all up, so nobody has any idea where the spike is, all right?