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2986. Fact
When sharks bite down, their eyes automatically close in case their prey starts squirming trying to get free, and thereby cause damage to the shark's eyes in the process.

2987. Fact
If you attempted to count to stars in a galaxy at a rate of one every second it would take around 3,000 years to count them all.

2988. Fact
A common custom in Spain is to eat one grape for each of the last 12 seconds of every year for good luck

2989. Fact
The only 15 letter word that can be spelled without repeating a letter is uncopyrightable.

2990. Fact
¥ Pearls melt in vinegar.

2991. Fact
Every day more money is printed for Monopoly than the U.S. treasury.

2992. Fact
Almost without exception, cows are milked from the right side. The reason is because most farmers have been right-handed since the start of the dairy business and it's easier for a right-handed milker to work from the right side.

2993. Fact
The Shroud of Turin is the single most studied artifact in human history

2994. Fact
Ancient Egyptians slept on pillows made of stone.

2995. Fact
France, Switzerland, United Kingdom, Greece, and Australia have always been in the modern Olympics since it began in 1896

2996. Fact
The cruise liner, Queen Elizabeth II, moves only six inches for each gallon of diesel that it burns

2997. Fact
The first couple to be shown in bed together on prime time television was Fred and Wilma Flintstone.

2998. Fact
Chained dogs are 3 times more likely to bite than unchained dogs.

2999. Fact
In Albania, nodding your head means no and shaking your head means yes.

3000. Fact
In 1959, the Soviet space probe Luna Two became the first manmade object to reach the moon as it crashed onto the lunar surface.

3001. Fact
In Singapore, it is illegal to sell or own chewing gum.

3002. Fact
Baby beavers are called kittens.

3003. Fact
Honey is used sometimes for antifreeze mixtures and in the center of golf balls.

3004. Fact
Christmas became a national holiday in the U.S. in 1890.

3005. Fact
Wipes up sawdust from drilling or sandpapering. A used sheet of Bounce will collect sawdust like a tack cloth.

3006. Fact
Due to the many nerve endings in the sole and digits of the human foot, the sensations produced by sucking or licking the feet can be pleasurable.

3007. Fact
Gustave Eiffel, the builder of the Eiffel Tower, also built a dam in Russia, a church in the Philippines, and designed the right arm and full steel structure supporting the Statue of Liberty.

3008. Fact
A recent study at Harvard has shown that eating chocolate can actually help you live longer.

3009. Fact
In Kentucky, it is illegal to carry ice-cream in your back pocket.

3010. Fact
A condom will last about a month when stored in a wallet; any longer and it’s more likely to break.

3011. Fact
At one time, Venus de Milo had arms.

3012. Fact
111, 111, 111 X 111, 111, 111 = 12, 345, 678, 987, 654, 321

3013. Fact
Rapper LL Cool J's name is short for Ladies Love Cool James .

3014. Fact
Goodyear Rubber Company researched and concluded that shoes wear out faster on the right foot than the left.

3015. Fact
Japanese research has concluded that moderate drinking can boost IQ levels

3016. Fact
As late as 1820, the universe was thought to be 6,000 years old. It is now thought to be between 15 and 20 billion years old.

3017. Fact
In 1649, Massachusetts's Puritan government ruled the following: Any child over 16 who shall curse or smite their natural father or mother or act in a stubborne or rebellious manner shall be put to death.

3018. Fact
Because radio waves travel at 186,000 miles per second and sound waves saunter at 700 miles per hour, a broadcast voice can be heard sooner 13,000 miles away than it can be heard at the back of the room in which it originated

3019. Fact
The city of Tokyo was originally called Edo

3020. Fact
Flamingos are able to fly at a speed of approximately 55 kilometers an hour. In one night they can travel about 600 km

3021. Fact
In one day, a human sheds 10 billion skin flakes. This amounts to approximately two kilograms in a year

3022. Fact
The sun's total lifetime as a star capable of maintaining a life-bearing Earth is about 11 billion years. Nearly half that time has passed.

3023. Fact
Watermelons can cost up to $100 in Japan.

3024. Fact
During one seven year period, Thomas Edison obtained approximately three hundred patents. In is whole life he obtained over one thousand patents.

3025. Fact
Celtic warriors sometimes fought their battles naked, their bodies dyed blue from head to toe

3026. Fact
The condensed water vapor in the sky left behind by jets is called a contrail.

3027. Fact
Hummingbirds can weigh less than a penny.

3028. Fact
Duracell, the battery-maker, built parts of its new international headquarters using materials from its own waste.

3029. Fact
Penguins are not found in the North Pole.

3031. Fact
Tipping at a restaurant in Iceland is considered an insult.

3032. Fact
Contrary to popular belief, there are almost no Buddhists in India, nor have there been for about a thousand years.

3033. Fact
The deepest underwater penguin dive is 1,772 feet by an Emperor Penguin

3034. Fact
In San Salvador, drunk drivers can be punished by death before a firing squad.

3035. Fact
To burn off one plain M&M candy, you need to walk the full length of a football field.

3036. Fact
Half of the 42 U.S. Presidents are of Irish descent

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  • Electricity

    Electric current

    The movement of electric charge is known as an electric current, the intensity of which is usually measured in amperes. Current can consist of any moving charged particles; most commonly these are electrons, but any charge in motion constitutes a current.

    By historical convention, a positive current is defined as having the same direction of flow as any positive charge it contains, or to flow from the most positive part of a circuit to the most negative part. Current defined in this manner is called conventional current. The motion of negatively charged electrons around an electric circuit, one of the most familiar forms of current, is thus deemed positive in the opposite direction to that of the electrons. However, depending on the conditions, an electric current can consist of a flow of charged particles in either direction, or even in both directions at once. The positive to negative convention is widely used to simplify this situation.The process by which electric current passes through a material is termed electrical conduction, and its nature varies with that of the charged particles and the material through which they are travelling. Examples of electric currents include metallic conduction, where electrons flow through a conductor such as metal, and electrolysis, where ions charged atoms flow through liquids, or through plasmas such as electrical sparks. While the particles themselves can move quite slowly, sometimes with an average drift velocity only fractions of a millimetre per second,the electric field that drives them itself propagates at close to the speed of light, enabling electrical signals to pass rapidly along wires.

    Current causes several observable effects, which historically were the means of recognising its presence. That water could be decomposed by the current from a voltaic pile was discovered by Nicholson and Carlisle in 1800, a process now known as electrolysis. Their work was greatly expanded upon by Michael Faraday in 1833. Current through a resistance causes localised heating, an effect James Prescott Joule studied mathematically in 1840. One of the most important discoveries relating to current was made accidentally by Hans Christian


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