Browsing articles from "October, 2009"
Oct
2
2009

Who Discovered Iron

Iron Symbol

There is evidence that we have been using iron for the last 5000 years. Iron is found anywhere in the planet. It is also the cheapest metal. Iron comes from minerals called hematite and magnetite. Iron can also be found in other minerals such as taconite, siderite, and limonite. Where did iron come from It is widely believed iron came into the Earth along  with meteors. The meteor-borne iron contained about 8% nickel. Evidence of […]

Oct
2
2009

Who Discovered Jupiter

Jupiter

Planet Jupiter has been very popular since the olden times. It is very visible to the naked eye because of its gigantic size.   The Romans named the planet after Jupiter or Jove, the god of lightning. Jupiter’s symbol is a lightning bolt. Jupiter in the East and West In Asia, the Chinese, Japanese, Korean, and Vietnamese refer to Jupiter as the wood star. This belief is based on the Chinese Five Elements. In the Vedas […]

Oct
2
2009

Who Discovered Magnesium

Magnesium

Magnesium is a hard, silvery-white metallic element that burns into a white flare when set fire.  Magnesium is used in making alloys, firecrackers, flash photography, and even bombs. The element got its name from a Greek region called Magnesia.  Magnesium is an alkaline Earth metal that belongs to the Group 2 elements in the Periodic Table.  Rocks contain the richest source of magnesium in nature. Discoverers of Magnesium Joseph Black of Scotland discovered magnesium in […]

Oct
2
2009

Who Discovered Constellation Pegasus

Constellation Pegasus

Pegasus is the ever popular white-winged horse that has appeared in most fantasy movies. You can say the same about the constellation. Pegasus is a breath-taking sight in the night sky at the end of summer. The horse-shaped star can be seen all through autumn if you live in Northern Europe. Residents below the Equator can see Pegasus from Winter  to Spring. But do not expect to see a horse right away.  Pegasus is shy, […]

Oct
2
2009

Who Discovered Copper

copper

Copper is naturally found in the soil. It is usually found together with sulfur. Copper metal is made by mining ores and refining them into copper cathode. In its pure form copper appears with a shade of pink and orange Copper’s atomic symbol is Cu. Earliest discoverers of Copper Copper is considered a prehistoric metal. There is evidence copper was used by the ancient people in the Americas as early as 1, 000 BC. In […]

Oct
2
2009

Who Discovered Constellation Taurus

Charles Messier

The Mesopotamians were the first to call the bull constellation as Gud Anna. It meant “Bull of Heaven.” Ancient bull images are also found in Spain and France. These images were made of bone, stone, and clay. On the other hand, Babylonian astronomers believed Taurus was one of the oldest constellations in the sky. In the early Bronze and Chalcolithic Age, Taurus signaled the point of vernal equinox. During the vernal equinox of the 23rd […]

Oct
2
2009

Who Discovered Big Dipper

Big Dipper

Big Dipper, or Ursa major, is the 3rd largest constellation. It is easy to spot the Big dipper because it is the only constellation that never sets into the horizon.  In England the Big Dipper is known as the Plough. Within Big Dipper you can see other star patterns Earliest sightings of Big Dipper The Big Dipper was mentioned quite extensively in ancient Hindu Astronomy. It was called Sapta Rishi, which meant “The Seven Sages.”  […]

Oct
2
2009

Who Discovered Calcium

Calcium

The Romans knew calcium was a part of lime. But they could not take it out in its pure form. Instead they used calcium oxide to make lime.  In 975 AD calcium phosphate, or plaster of Paris, was used to paste back broken bones. Sir Humphry Davy of England separated it from lime through the process called electrolysis. He mixed lime with mercuric oxide and put electric current through it. Calcium floated up the surface […]

Oct
2
2009

Who Discovered Chocolate

Hernan Cortez

Chocolate is one of the best foods on Earth. Other than its taste, chocolate is a multitasking food: it relieves depression, contains rich antioxidants, and even acts as an aphrodisiac. It has vegetable proteins, fats, and complex carbohydrates. A huge amount of minerals such as magnesium, potassium, sodium, and iron are found in chocolates. A bar of chocolate, preferably with 50% cocoa content or higher, has more than enough supply of vitamins A1, B1, B2, […]

Oct
2
2009

Who Discovered America

Christopher Columbus

The discovery of America remains controversial. The story has so many versions. And each one claims to be true. Long before Columbus landed in America, there had been much earlier expeditions to the continent. Ancient Asian’s discovery of America Modern scientists have noted, for example, that human settlement in America started as far back as 16, 000 BCE.  They have evidence to prove that Asian hunters crossed the Bering Straight on land bridges into Alaska. […]

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