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Intrigue and Unsolved Mysteries

Confounding issues in society such as unidentified flying objects (UFOs), conspiracy theories and urban legends

1,773 Questions

How many miles are in a minute of longitiude or latitude?

- One minute of latitude is one nautical mile (1.15 miles, 1.85 kilometers)

- One minute of longitude at the equator is also one nautical mile, but decreases as you move toward the poles.

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You can find this by taking the Earth's circumference and divide it with number of minutes. Earth's circumference (the length of equator) is 40075.02 km.

40075.02 / 360 / 60 = 1.8553 km

One minute of longitude on equator is 1.8553 km. Please note - on equator (i.e. on 0 degree of latitude)!

Because the length of parallels decrease toward the north or south pole, the length (in km or miles) of minute of longitude differs for different latitudes. For example on polar circle (66°33'38" south or north) one minute of longitude is only 1.0035 km.

For latitude it's simpler - the length of all meridians are the same.

Take Earth circumference (the length of meridian) is 40007.86 km. Please note - Earth equatorial circumference differs from meridional, because Earth is not a sphere.

40007.86 / 360 / 60 = 1.8522 km

One minute of latitude is 1.8522 km.

For common life it's much to easier consider Earth spherical and use nautical miles.

One nautical mile is 1.852 km and it's approximately the length of one minute from meridional circumference.

Whats the answer to pi?

Pi to 50 decimal places.

3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510

August 2010, Shigeru Kondo used Alexander Yee's y-cruncher to calculate 5,000,000,000,000 digits of π. This remains the world record for any type of calculation, but significantly it was performed on a home computer built by Kondo. The calculation was done between May 4 and August 3, with the primary and secondary verifications taking 64 and 66 hours respectively.

I don't recommend trying to do it, you'll drive yourself insane.

What are the origins of the pinky swear?

To pinky swear (in some regions referred to as the pinky promise) is when two people entwine their pinky fingers-and then kiss the back of their hands most commonly of the same respective hands-to signify that a promise has been made. The kiss is not necessary in all parts of America. Traditionally, the pinky swear is considered binding and tantamount to a handshake in terms of sealing a deal. The pinky swear originally indicated that the person who breaks the promise must cut off their pinky finger.[1] In modern times, pinky swearing is a more informal way of sealing a promise. It is most common among school-age children and close friends. The pinky swear signifies a promise that cannot be broken or counteracted by the crossing of fingers, the "I take it back" or any other trickery.[2] If "no crosses count" is said at anytime during the pinky swear, it applies to any crosses (fingers, toes, etc.) at anytime during the pinky swear.

When was the carousel invented?

Carousels developed from a game played on horseback in Arabia and Turkey in the 12th century. The amusement ride of the same name was developed in Europe in the 1700's. In America, the Danish carver, Charles I. D. Looff, built Coney Island's first carousel in 1876. Several earlier carousels had been constructed in America by Charles Dare and Gustav Dentzel.

How old is the Worlds oldest horse?

Back in the day in 1760 in an English village called Woolston in Lanchashire country a horse was born. There were no records to indicate that anyone expected this horse to live long, but in the end the horse lived for a pretty long time. The average lifespan of a horse is 20-25 years . But this horse lived for 62 years. The horse became known as "old billy". So whoever asked this question there you have it the oldest horse was 62 years old.

How much money does the government spend a day?

Well Warren Buffet said this year in his yearly letter to his stock holders that when he bought a company and sold it for a 4.8 billion dollar profit. He was taxed 1.2 billion dollars of which he stated had paid for every thing that the government needs to pay for social security, defense every thing for well about 4 hours. that means the government is spending 300 million dollars an hour a relative 7.2 billion dollars a day. That's a hell of a lot of money.

Specifically for 2011, the projected spending is $10.46 Billion per day. This is based on the projection of Federal Spending of $3.818 Trillion for the year.

See the link below.

How can you become a real vampire?

There is no evidence of real vampires, other than vampire bats, in this world.

Other than as part of folklore, and a popular subject in horror fiction, human vampires are NOT real. They do not exist. You cannot become a vampire.

What is a fiscal squeeze?

Fiscal Squeez is the economic constrant that results when money raised through taxes is insufficient to pay for all the services that a city needs to function efficiently.

Is France number one in the fashion industry?

There isn't exactly a "Number One" in the fashion industry. France is home of the highest revenue fashion network, Channel, however Italy is the highest revenue fashion country through brand such as Gucci, Luxottica, and Versace.

How many guns in the US?

At the last NGC ( National Gun Census) in April 2007, it was recorded that, on average, there is about 178,000,000 lisenced firearms in the USA, although it is believed there is a further 50% that are unlisenced. No license is required to own a gun in most states, so it would be interesting to know exactly how they define "licensed guns."

Why do Muslim women choose not to show their faces?

Not all Muslim women cover their faces, but most of them cover only their hair. Of course, if you want to be a Muslim, you have to follow the teaching of Islam, the Islam asks women to at least cover their hair.

Would slaves be set free if they fought in the Civil War?

Technically slaves could not fight in the war unless they had permission from the owners or there owners had made them fight. But at the end of the Civil War all the slaves were set free this is what the civil war was about the North wanted the slaves to be set free but the south wanted slaves as they relied on them for there economy. this was the Cotton indusrty mainly when the North won the war they decleared all slaves free.

Is shikaino real?

Yes, it is a real pairing. Seriously, It's all over www.Deviantart.com! But, in my opinion, I like ShikaTema better. That doesn't mean you should like it too, I'm just saying XD.

What are the problems arising from over population?

Due to over population da trees are cut down so dat da people can build their houses which will affect da earth's atmosphere,traffic jam,some people don even get food to eat, unemployment problems etc.

How did Osama bin Laden come to power?

all i know is that when the Soviets tried to occupy Afghanistan, he helped the revolt. he was in charge of gathering Muslims to help them rebel.

Did Rachel Carson's book Silent Spring approve the use of DDT and other insecticides?

No. It helped awaken the public to the use of it and helped show the effects of DDT and pesticides on the environment. It was named Silent Springs because she believed that the pesticide would kill the birds and they wouldn't be there in the spring to sing.

Why do women change their names when they get married?

In many societies it is a long-standing tradition, but in some countries it is acceptable for the couple to hyphenate (or otherwise combine) the two family names. In others, women can keep their maiden name.

What is the average life span of a road bridge?

Bridges design life and bridge life spans vary greatly by the type of material used in construction, maintenance carried out on the bridge and the environment in which the bridge is constructed. The following comments are limited to the superstructure (parts in the air) and deck. The biggest enemy of structures is moisture. Moisture allows for biological and chemical attack by making the materials easier to eat, chew or corrode. The design life is chose based on economic impacts and a bridge reverse engineered for a specific purpose...Freeway bridges carry more goods and people than rural bridges and will have a longer design life, a rural bridge has a design life longer than an industrial road. A wooden log bridge in a wet/damp climate with a regular freeze thaw cycle (Washington State) might have a design life of 20 years. The same bridge material might survive over 50 years in a dry climate. Expect to find them in low population density areas, low volume roads or industrial roads. A woode truss bridge is often designed for a life expectancy of 50 years - the material is carefully selected, graded and treated with preservative. If the structural wood components (heavy load carrying elements) are protected from moisture with a roof or protective covering these bridges survive indefinitely and individual components are replaced. For example, covered wooden bridges can survive for more than 100 years. These bridges are "old school" and survive because the cost of replacement and the aesthetic values are high. The majority of modern bridges are steel and concrete and began with the merger of technology, industry. The materials are inexpensive and have a good quality control process. Steel and concrete bridges are usually constructed with a design life of between 50 and 100 years. If these bridges are located in a high salt usage area these structures will require a thorough cleaning/washing program annually. The steel and concrete bridges will require a rehabilitation of areas exposed to salt and corrosion. This usually is done on a 20 to 30 year timeframe and will get a lot of these bridges to 100.