liquid metal Gallium for stretchable electronics !!!!!!

Stretchable electronics may start appearing in the near future, after researchers created liquid metal structures on a 3D printer

A team at North Carolina State University used an alloy of two metals - gallium and indium - that are liquid at room temperature but form a "skin" when exposed to air.

When printed, the shapes can be stretched without reverting to blobs.

Gadget makers could potentially use the technique to make connections between electronic components that would not break if their device was pulled or twisted.

Gallium is a soft silvery metal, and elemental gallium is a brittle solid at low temperatures. If it is held in the human hand long enough, gallium will melt, since it melts at the temperature of about 29.76 °C

Gallium

The structures are free-standing -
 with liquid metal inside

     

metal of the moon!!!!!!!

 Argentina was named for this precious metal.

In the earliest Egyptian records, silver was considered more precious than gold.

Silver was discovered about 4000 BC and has been coined to use as money since 700 BC.In a dozen or more languages, the words ‘money’ and ‘silver’ are the same.

The name Silver originates from the Old English Anglo-Saxon word 'seolfor' meaning silver. The Symbol Origin is from the Latin word 'argentum' meaning silver.

 Silver is adored by the Greek Goddess Artemis, who rode a silver chariot across the skies, shooting silver moonbeams to earth with her silver bow

Alexander the Great was advised by Aristotle to store boiled water in silver containers to prevent diseases caused by contaminated water. Associated with the moon as well as the sea and various lunar Goddesses, the metal was referred to by alchemists by the name Lunar.

 Hippocrates wrote that silver had beneficial healing and anti disease properties. The expression 'born with a silver spoon in their mouth' stems from health rather than wealth status, as children fed with silver utensils were believed to be healthier.

Silver iodide has been used in attempts to seed clouds to produce rain.

titanium....

Titanium is the only element that offers the unique combination of beauty, strength, light weight and bio-compatibility.

 What are the origins of the word Titanium ?

In 1791, William Gregor of England, discovered titanium in an impure form. It was first known as “Manachite”. It was later given the name “Titanium” by a German chemist, Martin Kloproth. He derived the name titanium from the Titans of Greek mythology, known for their extreme and superior strength

The element is the ninth most abundant element in the Earth's crust (0.6% by mass)

T i t a n i u m , one of the latest and ' hottest ' metals used in the jewelry trade. Do you know all the important facts about Titanium?

As one of the largest and most successful supplier of Titanium, Titanium with Gold, Titanium with Platinum Wedding Bands and Partner Rings and due to the ever growing popularity of our Titanium 'Sports Ring Collection '

Titanium is a multifunctional material, securing its future in a steadily growing market. Where other other materials fail, Titanium is a real solution. Initially exclusively used in aerospace, Titanium today is employed in a wide range of applications:

defense industry (aerospace <airplanes, satellites>, submarines, tanks etc) 
medical engineering (human implants: joint replacements < hip, knee, shoulder> , dental implants, bone fixation materials, surgical instruments)
chemical industry
automotive industry ( brake- and exhaust systems)
offshore industry
optical industry
architecture
sports equipment (bicycles, golf clubs)
the jewelry industry

without the use of gold, man could not have visited the moon..........

Gold is used in circuits that are fitted into the spacecrafts as it is an excellent conductor. Also, many parts of spacecrafts are fitted with gold coated polyester film that reflects infrared radiations, and helps control the temperature inside the vehicle.Gold is significant in space travel and since space travel has increased over the years, so has the demand for gold. 
                                    
   It is used in almost all space vehicles designed by NASA which are worth billions of dollars. In the construction of the popular US Columbia Space Shuttle, around forty eight kilogram's of gold was used for objects such as reflectors, conductors and in the brazing of alloys.Gold is also used in the helmets worn by astronauts.


                             Although gold is an expensive element, its myriad qualities make it vital in the use of space vehicles. 


                                      Had it not been for gold, space travel might not have been such a                                                    
                                                           

                                         such a successful mission as it is today!!!!!!!!!

do u know what 916 KDM gold means...........

KDM: Gold Jewelry from some places is / was marked with a KDM Stamp which means that the Jewelry was soldered with Cadmium. Cadmium called 'Kadium' in some places and marked KDM was traditionally used in soldering of gold jewelry for its good properties of liquidity and melting at lower temperatures, which is not the case any more as Cadmium is known to create toxic fumes when melted, which are very dangerous to health, over a period of time and may be harmful to humans, making the gold jewelry.


 some countries have banned the use of Cadmium in workshops. Jewelers in many parts of the world now use gold solders, which are free from Cadmium. Please note that the wearer of the gold jewelry is not harmed, this issue only concerns the manufacturing process. Also note that using any type of gold solder either KDM (Cadmium) or other gold solder, to make the jewelry does not guarantee the purity of gold, as the purity is a representation of the percentage of gold in any metal.


                                                              While Standard gold is 24 carat (100% pure gold), in India, it is 22 carat or 916, ie 91.6% pure gold and the rest includes metals like copper and silver.

gold treats cancer

It is not widely known but radiactive gold was used in the treatment of cancer many years ago. In some cases, new technologies rely on the ability of tiny gold nanoparticles to specifically collect in a cancerous tumour by passing through the inherently leaky blood vessels attached to a tumour. So, when injected into a patient, there is a means by which a potent anti-cancer compound attached to a gold nanoparticle, can be directly and accurately delivered to a tumour whilst avoiding healthy body tissue. Such an effective drug delivery mechanism with reduced toxicity is considered to be a major step-forward. Why usegold as the delivery mechanism? Well gold has a major advantage in being a very biocompatible metal. For example, colloidal gold has been safely used for over 70 years to treat rheumatoid arthritis, and many hundreds of years as a dental restoration..http://www.azom.com/Details.asp?ArticleID=4946..for more info logon to this site