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What was the first kind of pencil?
In ancient Rome, scribes wrote on papyrus (an early form of paper) with a thin metal rod called a stylus, which left a light but readable mark. Other early styluses were made of lead. Today we still call the core of a pencil the "lead" even though it is made from nontoxic graphite.
When did the first coin come out?
When Chuck Norris kicked a piece of metal.
Where is gold first mentioned in the bible?
Gold is the most frequently mentioned metal in the Bible. The first occurance is in Genesis chapter 2 verse 11. One of the rivers issuing forth from the Garden of Eden had Gold.
Why is pencil lead known as lead if it is not really lead?
In ancient Rome, scribes wrote on papyrus (an early form of paper) with a thin metal rod called a stylus. The rod left a light but readable mark. Some early styluses were made of lead, and these were reasonably effective. When pieces of rock from a mineral deposit in England were found to be good for marking sheep, the people presumed it was a lead deposit. Then the pieces were made into the first pencils. Chemists said the deposit was actually graphite, a form of carbon, but 'lead pencils' were so popular that the name is still used to this day.
What is the mass of 10.0 cm3 of the metal?
It depends on the density of the metal.
What were airplanes made of after wood and canvas?
It was a gradual evolution, first with metal cowlings around engines, then later with metal (usually aluminium) frames, but still covered by stressed cloth. Aluminium 'skin' was first used widely in the early 1930's.
Where was the first mirror discovered?
Reflection in a pool of water. Prehistoric times. Shiny metal was found later.
Who invented the metal work?
An unknown man, in the prehistoric times.
Did the Tudors have metal?
Yes, metals are known from prehistoric times.
Describe the process by which the durable metal bronze was first created?
the metal bronze was create by the early humans
What has the author Anna Maria Bietti Sestieri written?
Anna Maria Bietti Sestieri has written: 'Prehistoric metal artefacts from Italy (3500-720BC) in the British Museum' -- subject(s): Antiquities, British Museum, Catalogs, Metal-work, Prehistoric, Prehistoric Weapons
What the most widely used building metal?
This metal is iron.
Which metal replaces bronze as a widely used metal?
Tin
Who was the first metal craftman?
It is not recorded. Iron, copper, zinc, silver, tin, gold, mercury and lead were all known in prehistoric times and ancient civilisations made use of them.
What is the most widely used metal in India?
Steel
How long did age of metal last?
From the early to middle neolithic (when copper tools were first made) to the present.
When copper is discovered?
Copper has been known and used by humans for thousands of years. It was one of the first metals to be discovered and utilized due to its malleability, conductivity, and corrosion resistance. Its discovery likely dates back to prehistoric times through the observation of its malleability and appearance in native metal form.
