Optical mouse sense movement on the floor.
2012년 6월 13일 수요일
optical mouse
Optical mouse is a popular mouse in the world.
Optical mouse sense movement on the floor.
Optical mouse capture pictures and compare them.
Optical mouse sense movement on the floor.
2012년 6월 2일 토요일
Myeonje baegab
Myeonge baegab is first bulletproof vest in the world.
Myeonge baegab invited in Joseon.
1871 It used in battle during in invasion of Korea by the U.S.
Myeonge baegab was burnt easily but it can prevent bullet.
It made of more than 13 layers of cotton.
Myeonge baegab invited in Joseon.
1871 It used in battle during in invasion of Korea by the U.S.
Myeonge baegab was burnt easily but it can prevent bullet.
2012년 5월 30일 수요일
Maple
Most maples are growing to 10 – 45 meters in height.
Most species are deciduous.
Maples are important source of syrup and wood. It often used by smoking food.
Sugar maples are used to sap. Maple sap boiled and made in to syrup or sugar.
Maple are coat of arms of Canada. Maple is on the Canada flag.
Most species are deciduous.
Maples are important source of syrup and wood. It often used by smoking food.
Sugar maples are used to sap. Maple sap boiled and made in to syrup or sugar.
Maple are coat of arms of Canada. Maple is on the Canada flag.
2012년 5월 19일 토요일
2012년 5월 12일 토요일
Ozone hole
Ozone hole protect the from ultraviolet ray. Freon gas and ritrogen monoxide are caused of ozone hole. Ultraviolet ray had impact on human body and small animal.
Aractic ozone hole discovered in 2011. Ozone hole is recovering now.
2012년 4월 28일 토요일
Brain chip
Samsung applied for a pantent brain chip in the United States.
Samsung used for administer a mechanical heart, movement and vaccine right now.
They think about developge chip.
Samsung used for administer a mechanical heart, movement and vaccine right now.
They think about developge chip.
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