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Why are there differences in the use of 110V and 220V voltages between countries in the world?
Our electrical and electronic devices in Vietnam market are often used at 220V voltage.
Current
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Articles about Current
598 published items.
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The origin and meaning of Christmas tree
The current Christmas tree or Christmas tree stems from the custom of burning a log on the Eastern solstice of the ancient Celts.
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What will happen if the Earth ... is twice as big as it is today?
With the densely populated population, there must be many people who wish that the size of the Earth could increase.
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The catastrophic consequences of blocking the Sun cool the Earth
According to the Daily Mail, the current leading hypothesis is the ability to shoot sulphate particles sprayed into the atmosphere to block the sun, reducing the Earth's…
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Energy breakthrough: Inventing the Solar battery works both in the rain and without sunshine
This is an amazing step forward from current technology. If optimized, it will become an energy revolution.
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The laser produces super-fast currents, which can be used to adjust matter
In a very short moment, this glass-like material will be transformed into a metal-like thing.
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The effect creates a swirling shot in football
The Magnus effect creates a speed and pressure difference between the air currents on either side of the swirling ball, making the ball curve.
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The deadly vortex lurks deep beneath the still, silent water
Offshore currents or offshore currents are a common phenomenon in beaches. This is the main cause of fatal accidents for tourists when going to the beach.
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If the Earth suddenly reverses the direction of rotation, we will have an unbelievably good result
Those are the scenarios drawn by the hypothetical system on the computer, and they are not as scary as you think.
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Changes on the surface of the Earth if the Earth goes back
If the Earth turns in the opposite direction, the continents will undergo major changes. The desert will cover North America, the arid sand dunes will replace the Amazon…
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How does electricity work?
Electricity is so familiar with our modern life and when we go to school everyone knows the origin and basic principles of electricity.
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Discover the message in the world's oldest bottle
The message contained in a bottle of gin was thrown into the sea from a German ship in 1886 and found 132 years later on the Australian beach.
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2118: This will be what happens to our world after 100 years
With the current growth rate, the world will become extremely different in the next century.
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12 widgets you are still using but have no idea they have expired
Most of the current products are clearly printed. But besides, notice that in our homes, sometimes there are things that exist for decades.
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New discoveries make batteries faster and more durable
The latest research shows that when the battery emits electrical current, the lithium density inside the micro particles can be reversed at a certain point, instead of c…