1. - WHEEL
The wheel was invented in 3500 BC.Wheels are used in all vehicles like bike,bus,planes,trucks,train etc.there are many uses of wheel like in engine,clock. A wheel with teeth is called gear and teeth are called cogs which is used in cycle chain,gear shaft. When the wheel was invented it made from ston or wood but at that time it is made from rubber.
2. - ELECTRICITY
The history electricity started with william gilbert.He was a physician.Electricity is the most important part of our life, with help of electricity we use light bulb, fan, ac, computer etc.Electricity generated in thermal power plant, hydro electric pland, wind energy, solar power plant etc.
3. - COMPUTER
The first computer made by charles babbage in 1822.The first binary programmable computer was created by german konrad zuse in his parents living room between 1936 and 1938. The IBM 5100 was the first portable computer, the weight of this computer was 55 pound and five inch display,1.9MHs PALM processor and 64KB of RAM.
4. - PAPER
Paper was invented around 100 BC in china. There are two main categories of paper uncoated and coated.In now days paper used to make newspaper, notebooks, bills etc.The paper made from trees.
5. - FIRE
The most important invention of human being was fire.Without fire nothing can work.From cooking to steam engine nothing can work without fire. Heat was produce with help of friction when two stones got rubbed against each other.Then heat can transfer in fire in dry hay.
6. -TELEPHONE
The first telephone was invented by sir graham bell in 1876.In this time everyone has a personal cellphone. With the help of phone we talk our relatives from everywhere.The size of old telephone is so big and heavy in weight but in now days the mobile phone was small in size and light in weight.
7. - AIRPLANE
The wright brothers were the first to make working model of an airplane in 1903.After the invention of plain the traveling time is less.Capacity of person taken by plane was higher then old plane.Plane is used in traveling, fighter plane is used in war, cargo plane is used to transfer cargo.
The wheel was invented in 3500 BC.Wheels are used in all vehicles like bike,bus,planes,trucks,train etc.there are many uses of wheel like in engine,clock. A wheel with teeth is called gear and teeth are called cogs which is used in cycle chain,gear shaft. When the wheel was invented it made from ston or wood but at that time it is made from rubber.
2. - ELECTRICITY
The history electricity started with william gilbert.He was a physician.Electricity is the most important part of our life, with help of electricity we use light bulb, fan, ac, computer etc.Electricity generated in thermal power plant, hydro electric pland, wind energy, solar power plant etc.
3. - COMPUTER
The first computer made by charles babbage in 1822.The first binary programmable computer was created by german konrad zuse in his parents living room between 1936 and 1938. The IBM 5100 was the first portable computer, the weight of this computer was 55 pound and five inch display,1.9MHs PALM processor and 64KB of RAM.
4. - PAPER
Paper was invented around 100 BC in china. There are two main categories of paper uncoated and coated.In now days paper used to make newspaper, notebooks, bills etc.The paper made from trees.
5. - FIRE
The most important invention of human being was fire.Without fire nothing can work.From cooking to steam engine nothing can work without fire. Heat was produce with help of friction when two stones got rubbed against each other.Then heat can transfer in fire in dry hay.
6. -TELEPHONE
The first telephone was invented by sir graham bell in 1876.In this time everyone has a personal cellphone. With the help of phone we talk our relatives from everywhere.The size of old telephone is so big and heavy in weight but in now days the mobile phone was small in size and light in weight.
7. - AIRPLANE
The wright brothers were the first to make working model of an airplane in 1903.After the invention of plain the traveling time is less.Capacity of person taken by plane was higher then old plane.Plane is used in traveling, fighter plane is used in war, cargo plane is used to transfer cargo.
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