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Tuesday, December 28, 2010

Facts about Solar Energy

Solar energy is becoming popular in recent times.  People started building various devices and equipments which work with solar energy  The main reasons for using solar energy are as follow.
1.  Solar energy is freely available in abundance in this universe.
2.  Solar energy never gets exhausted unlike other sources of energy
3. Solar energy is available at each and every place in this world

Here are some of the interesting facts about Solar Energy.

  • A solar powered air craft from USA flew 4060 Km. in the year 1990 without no other fuel except solar energy.  This was the world record.
  • More sun light falls on this earth in one hour than what is used by the entire world population in one year
  • The Solar Energy is better for environment compared to traditional forms of energy
  • It is possible to cook food using solar energy
  • A home solar system typically contains solar panels, an inverter, a battery, a charge controller and wiring support structure.
  • A 1-kilowatt home solar system will prevent approximately 170 lbs. of coal from being burned, 300 lbs of CO2 from being released into the atmosphere and 105 gallons of water from being consumed each month!
  • Solar panels come in different colors.
  • Solar energy does not pollute the air nor does it release carbon di oxide into atmosphere.

Sunday, December 19, 2010

Strange and interesting facts

  • There are only two animals that can see behind itself without turning their head.  These two animals are  the rabbit and the parrot.
  • If you ate too many carrots, you will  turn orange.
  • Each teeth of an elephant can weigh as much as 9 pounds.
  • The weight of the tongue of a blue whale is more than the weight of an elephant
  • When a glass breaks,  the cracks move at a speeds of up to 3,000 miles per hour
  • The longest officially recognized name of a place is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu,  which has 85 letters.  It is the name for a hill which is 1000 feet high ( 305 meters) and located close to Porangahau, in New Zealand.
  • The Sharks can live up to 100 years
  • Bamboo can grow up to 3 feet in 24 hours
  • Bone is 5 times stronger than steel
  • The size of our eyes is same as at the time of birth,  but our nose and ears always grow and never stop growing till death
  • The Statue of Liberty's index finger is eight feet and one inch long
  • According to German researchers, the risk of heart attack is higher on Monday than any other day of the week.
  • The heaviest human brain recorded till now is 2.3 Kgs
  • Indians have been eating mangoes for 3,000 years. But the western world came to know about it only 300 years ago!
  • OWL is the only bird, which can rotate its head to 270 degrees.
  • A blue whale eats 3 tonnes of food every day, at the same time it can live without food for 6 months
  • Humming birds can fly backwards also

Friday, December 10, 2010

Amazing Human Body Facts

Here are some of the interesting about human body.

  • A human eye blinks over 10,000,000 times a year!
  • An average human heart beats 1,03,689 times in 24 hours.
  • The human blood flows 16,80,000 miles in 24 hours.
  • Human nail grows 0.00007 inches in every 24 hours.
  • Human lungs respire 23,000 times in 24 hours.
  • You should never hold your nose and cover your mouth when sneezing, as it can blow out your eye balls.
  • Sneezing stops heart beat for 1 second and then continues.
  • Do you  know that an average human hair grows 0.43561 milli meters in 24 hours.
  • An average human  takes around 1.4 liters of water in a day.
  • An average human takes 1.5 Kg. of food in 24 hours
  • An average human breathes 438 cubic feet of air in 24 hours
  • Do you know that an average human speaks 5000 words in  24 hours
  • Do you know that an average human moves 25 times during sleep in a day
  • Like finger prints,  every one's tongue print is different
  • 10% of the world population is left handed
  • Do you know that the fastest human being runs only about 30 kilo meters per hour
  • An average human laughs 15 times a day
  • Do you know that finger nails grow 4 times faster than toe nails in human beings
  • Do you know that the shape of back bone is important to have sufficient breathing.

Sunday, December 5, 2010

Amazing Facts about Trees

Here are some amazing and interesting facts about trees.

  • The trees receive about 90% of their nutrition from atmosphere and 10% only from the soil.
  • The tree lowers the temperature of surrounding atmosphere by evaporating water from its leaves.
  • One of the tallest tree is General Sherman which is a giant red wood of California.  It is about 275 feet or 84 meters tall with a girth of 8 meters.
  • Trees absorb carbon di oxide and release oxygen which is required by us for living.
  • Dendrochronology is the science of calculating a tree’s age by its rings.
  • Do you know that trees grow from top and not from bottom as normally believed.  A branch's location on a tree will only move up the trunk a few inches in 1000 years.
  • The presence of trees in urban neighborhoods has been linked to less crime.
  • One acre of trees can remove 2.6 tons of carbon di oxide each year
  • The leaves of trees help us to trap and remove tiny particles of dust which otherwise would damage human lungs.