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Eugenio Ferrara

The Mariners' Museum | EXPLORATION through the AGES - 0 views

ageofex.marinersmuseum.org/index.php

lief exploration

shared by Eugenio Ferrara on 20 Jan 15 - No Cached
  • d. He had brothers, Thorvald and Thorstein, and a half-sister, Freydis. In the year 999 BCE, Ericsson sailed to Norway to visit King Olaf Trygvson. On his way the ship was blown off course and he landed on one of the Hebrides islands. Continuing poor weather made it impossible for him to leave so he spent the summer on the island.
  • . She gave birth to his son and as his departure date drew near, she asked that he take her with him. He refused, citing her family connections. Thorgunna had a reputation for being able to predict the future, and vowed that even though Leif was leaving them, one day she and their son would journey to find him and the experience would not be a good one.
  • , while other sources claim that when the boy was old enough to travel, he found Leif.
  • ...15 more annotations...
  • What is known for certain is that Leif and the boy eventually found each other and the young man was recognized as his son.
  • Nevertheless, Leif left the island and got to Norway by the fall. King Olaf welcomed him to his court and asked if Leif had plans for a voyage to Greenland. The king had recently been converted to Christianity and wanted Leif to proclaim Christianity to the Norse settlers living in Greenland, including his parents. He returned to Greenland, and as the king wished, spread the message of Christianity. Leif’s mother, Thjodhild, quickly adopted the new religion, but his father, Eric, was reluctant to give up his pagan beliefs. Only when Thjodhild refused to live with
  • him as man and wife, did Eric the Red finally convert to Christianity.
  • Leif Eiriksson’s exploration and discovery of America was inspired by the accidental voyage of Bjarni Herjulfson.
  • As a skilled sailor and trader, Herjulfson had devoted himself to going on trading voyages from Iceland every other year
  • In 1002 BCE, Leif Eiriksson decided to explore the unknown lands discovered by Herjulfson while on the quest for his father.
  • Leif bought a ship from Bjarni and gathered a crew of thirty-five men.
  • Eric, his father, was approached about being the expedition leader. A fall from a horse prior to embarking convinced Eric that he would be unlucky on the voyage and that he was too old to set off on another adventure. Leif himself took command and the ship and crew departed.
  • The first country Leif encountered was the last one Herjulfson had seen. It was barren, with glacier-topped mountains and vast stretches of rock-covered ground
  • Initiating the practice of naming the lands he found after their geological and physical traits, he called this area Helluland, or “land of flat rocks.” (Labrador)
  • The second country Leif sailed to was level and wooded, with deep white beaches and a sloping shoreline. He called this place Markland (Newfoundland) or “forest land.” Leaving there, he sailed northeast. He found an island north of the mainland. He and his crew sailed the channel between the island and mainland and steered west. When they found land they went ashore, discovering a small river that flowed to the sea. They returned, took the ship up the river to a lake where they decided to build houses, and stayed through the winter.
  • The area had salmon in the river and lake; the winter was mild and almost frost-free, and the grass did not wither during the cold season.
  • The hours of daylight and nighttime were more equally divided than in either Iceland or Greenland
  • Leif divided his crew in half, determined to explore the area. Half would stay in camp while the other half went as a group to investigate the surroundings. The exploration crew was to go no further than the distance they could travel in order to return to camp by nightfall.
  • to explore the area. Half would stay in camp while the other half went as a group to investigate the surroundings. The exploration crew was to go no further than the distance they could travel in order to return to camp by nightfall.
marino5856

Christopher Columbus Discovers America, 1492 - 0 views

www.eyewitnesstohistory.com/columbus.htm

columbus journeys

shared by marino5856 on 09 Dec 14 - Cached
  • Columbus led his three ships - the Nina, the Pinta and the Santa Maria - out of the Spanish port of Palos on August 3, 1492. His objective was to sail west until
  • he reached Asia (the Indies) where the riches of gold, pearls and spice awaited. His first stop was the Canary Islands where the lack of wind left his expedition becalmed until September 6.
    • marino5856
      marino5856 on 09 Dec 14
       
      Christopher Columbus started his first trip was in 1492
    • marino5856
      marino5856 on 09 Dec 14
       
      His goal was to sail the west until he reached the Indies because he wanted goal he thought that his first stop was inCanary Islands were he stayed there until september 6
  • ...1 more annotation...
  • Once underway, Columbus benefited from calm seas and steady winds that pushed him steadily westward (Columbus had discovered the southern "Trades" that in the future would fuel the sailing ships carrying goods to the New World). However, the trip was long, longer than anticipated by either Columbus or his crew. In order to mollify his crew's apprehensions, Columbus kept two sets of logs: one showing the true distance traveled each day and one showing a lesser distance. The first log was kept secret. The latter log quieted the crew's anxiety by under-reporting the true distance they had traveled from their homeland.
marchand5892

How does the normal heart work? - 0 views

www.heartfailurematters.org/...How-does-the-normal-heart-work

Normal Heart

shared by marchand5892 on 31 Oct 14 - No Cached
  • Your heart is a specialised muscle that pumps blood around your body. Blood carries oxygen and nourishment to all parts of your body and carries waste products to several organs, notably your lungs and kidneys to eliminate. Your heart is divided into two pumps which work together. Blood coming back from the organs and tissues of your body enters the right side of your heart which then pumps it to your lungs. Your lungs remove waste carbon dioxide from the blood and recharge it with oxygen. The oxygen-rich blood returning from your lungs enters the left side of your heart, which then pumps it to all parts of your body, including your heart muscle itself. This process ensures that there is always enough oxygen and nourishment for your body to work efficiently.
  • t is a specialised muscle that pumps blood around your body. Blood carries oxygen and nourishment to all parts of your body and carries waste products to seve
  • Your heart is a specialised muscle that pumps blood around your body. Blood carries oxygen and nourishment to all parts of your body and carries waste products to several organs, notably your lungs and kidneys to eliminate.
  • ...1 more annotation...
    • marchand5892
      marchand5892 on 04 Nov 14
       
      Everyone's heart is a special muscle, that "pumps around your body" and pumps blood out." The blood gets pushed and picks up the oxygen and the the blood travels through your body and drops the oxygen for the heart to circulate  
guzman5860

Why is the sky blue? :: NASA's The Space Place - 0 views

spaceplace.nasa.gov/en

works Facts sky blue nasa

shared by guzman5860 on 31 Oct 14 - No Cached
  • Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time
    • guzman5860
      guzman5860 on 04 Nov 14
       
      The blue light is sometimes scattered more than the other colors because all the molecules or particles that are in the atmosphere go in all directions and the wavelength is shorter and it has smaller waves so thats why the sky is blue most of the time.
    • guzman5860
      guzman5860 on 06 Nov 14
       
      The blue light is scattered the more than the other colors Because all the particles and molecules  that are in the atmosphere go in all directions and it spreads and the blue wavelength is shorter and the waves are smaller and it has lots of energy thats why the sky is blue
guzman5862

The Mariners' Museum | EXPLORATION through the AGES - 0 views

ageofex.marinersmuseum.org/index.php

Marco polo

shared by guzman5862 on 08 Dec 14 - No Cached
  • Marco Polo was a Venetian, but where he was actually born is not known with complete certainty. He was born in either the city of Venice or the city of Korcula, Croatia. In Polo’s day, the city was called Curzola, Venetian Dalmatia. Regardless of where he was born though, Marco was raised in Venice, and was Venetian by culture. Marco came from a family of explorers and traders, but it was his name that has become so famous because he took the time to write about all of his adventures.
  • His father, Nicolo, and his uncle, Maffio, moved around Eastern Europe searching for a place to safely do business trading Eastern goods to the West. Eventually, in 1264, Nicolo and Maffio were sent by Ilkhan Hulagu of Bukhara (one of the minor Khans of the Mongolian Empire) on a mission to visit his brother Kublai, the Great Khan. After traveling for two years, they finally reached Khanbaliq (modern-day Beijing). The Polos were sent back from the Khan with a Mongolian ambassador, Koeketei. The Khan wanted them to carry a message to the Pope, asking for a team of Westerners to come and teach Western culture and Christianity to those under his rule. They were unable to immediately fulfill this request because there was a three-year gap, from 1268 to 1271, during which there was no Pope to whom to carry this message. After Pope Gregory X was selected in 1271, the Polos left on their second journey.
guzman5862

How the Human Eye Works | Cornea Layers/Role | Light Rays - 0 views

www.nkcf.org/how-the-human-eye-works

human eye works

shared by guzman5862 on 07 Nov 14 - No Cached
  • Light rays pass through a dense, transparent gel-like substance, called the vitreous that fills the globe of the eyeball and helps the eye hold its spherical shape.
    • guzman5862
      guzman5862 on 07 Nov 14
       
      When light pass to inside of your eye it is called a light ray and they travel hard, it is something that you can not see and if you touch it its like jelly but it stays there because it contacts with some part of your body, and that is named a vitreous and it puts allot of things inside the eyeball and that is important because its helpful for the so that it can keep his original form not for the eye to change of shape like (Rectangle, Square).
  • guzman5862 on 07 Nov 14
     
    Light rays pass through a dense, transparent gel-like substance, called the vitreous that fills the globe of the eyeball and helps the eye hold its spherical shape.
garzat5774

How birds fly | Sciencelearn Hub - 0 views

sciencelearn.org.nz/...How-birds-fly

birds

shared by garzat5774 on 03 Dec 14 - No Cached
  • Birds have many physical features, besides wings, that work together to enable them to fly. They need lightweight, streamlined, rigid structures for flight. The four forces of flight – weight, lift, drag and thrust – affect the flight of birds.
  • Flying birds have: lightweight, smooth feathers – this reduces the forces of weight and drag a beak, instead of heavy, bony jaws and teeth – this reduces the force of weight an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust light bones – a bird’s bones are basically hollow with air sacs and thin, tiny cross pieces to make bones stronger – this reduces the force of weight a rigid skeleton to provide firm attachments for powerful flight muscles – this helps with the force of thrust a streamlined body – this helps reduce the force of drag wings – these enable the force of lift.
  • WingsThe shape of a bird’s wing is important for producing lift. The increased speed over a curved, larger wing area creates a longer path of air. This means the air is moving more quickly over the top surface of the wing, reducing air pressure on the top of the wing and creating lift. Also, the angle of the wing (tilted) deflects air downwards, causing a reaction force in the opposite direction and creating lift.Larger wings produce greater lift than smaller wings. So smaller-winged birds (and planes) need to fly faster to maintain the same lift as those with larger wings.Wing loading tells you how fast a bird or plane must fly to be able to maintain lift: wing loading = weight/wing area (kilograms per square metre).A smaller wing loading number means the bird/plane can fly more slowly while still maintaining lift and is more manoeuvrable.
  • ...7 more annotations...
  • GlidingWhen a bird is gliding, it doesn’t have to do any work. The wings are held out to the side of the body and do not flap. As the wings move through the air, they are held at a slight angle, which deflects the air downwards and causes a reaction in the opposite direction, which is lift. But there is also drag (air resistance) on the bird’s body, so every now and then, the bird has to tilt forward and go into a slight dive so that it can maintain forward speed.
  • SoaringSoaring flight is a special kind of glide in which the bird flies in a rising air current (called a thermal). Because the air is rising, the bird can maintain its height relative to the ground. The albatross uses this type of soaring to support its multi-year voyages at sea.
  • FlappingBirds’ wings flap with an up-and-down motion. This propels them forward. The entire wingspan has to be at the right angle of attack, which means the wings have to twist (and do so automatically) with each downward stroke to keep aligned with the direction of travel.
  • Birds obtain thrust by using their strong muscles and flapping their wings. Some birds may use gravity (for example, jumping from a tree) to give them forward thrust for flight. Others may use a running take-off from the ground.
  • Different birds have different adaptive features to meet their flight needs: Some birds are small and can manipulate their wings and tail to manoeuvre easily, such as the fantail (pīwakawaka). The hawk, with its large wingspan, is capable of speed and soaring. Gannets and seabirds are streamlined to dive at high speeds into the ocean for fish. Godwits, although small, are equipped to fly long distances.
    • garzat5774
      garzat5774 on 03 Dec 14
       
      birds have some chacteristics that help them fly, birds are light weighted they have light feathers insted of heavy ones that add more weight to their bodys, they also have a beak insted of jaws that also add weight to their boddys, thay have hollow bones in their body that means that the bone has nothing inside it
    • garzat5774
      garzat5774 on 03 Dec 14
       
      birds get ready to fly by flapping their wings, some birds use "gravity" to take of some run and they jump just like an airplane and others jump from a tree and then start flapping their winds
marino5856

Earth's Rotation - 0 views

www.polaris.iastate.edu/...unit3_sub1.htm

earth rotation 24 hours

shared by marino5856 on 07 Nov 14 - No Cached
  • The earth rotates about an imaginary line that passes through the North and South Poles of the planet.  This line is called the axis of rotation.  Earth rotates about this axis once each day (approximately 24 hours).  Although you most likely already knew that fact, there is a slight complication most people are not aware of.
  • More specifically, our rotation period (the time elapsed for one rotation) with respect to the stars  is called a sidereal day.  A sidereal day is 24 sidereal hours, or 23 hours and 56 minutes on a normal clock.  Our clock time is based on the earth's rotation with respect to the sun from solar noon to solar noon.  This is a solar day, and it is divided into 24 hours.  Because Earth travels about 1 / 365 of the way around the sun during one day, there is a small difference between solar time and sidereal time.
    • marino5856
      marino5856 on 07 Nov 14
       
      The earth rotates with axis lines and  there is 24 lines thats why there are 24 hours in a day. The earth time is rotated into 24hours because the earth rotate 1/365 during one day.
Nany Rocha

Stanford research: The meaningful life is a road worth traveling - 2 views

news.stanford.edu/...ningful-happy-life-010114.html

happiness meaning research

shared by Nany Rocha on 06 Nov 14 - No Cached
  • One can find meaning in life and be unhappy at the same time. Aaker points out that this type of life has received less attention in the media, which has recently focused on how to cultivate the happy life.  Examples of highly meaningful, but not necessarily happy, lives may include nursing, social work or even activism. The unhappy but meaningful life involves difficult undertakings and can be characterized by stress, struggle and challenges. However, while sometimes unhappy in the moment, these people – connected to a larger sense of purpose and value – make positive contributions to society. Happiness without meaning is characterized by a relatively shallow and often self-oriented life, in which things go well, needs and desires are easily satisfied, and difficult or taxing entanglements are avoided, the report noted. And so, the meaningful life guides actions from the past through the present to the future, giving one a sense of direction. It offers ways to value good and bad alike, and gives us justifications for our aspirations. From achieving our goals to regarding ourselves in a positive light, a life of meaningfulness is considerably different than mere happiness. "People have strong inner desires that shape their lives with purpose and focus – qualities that ultimately make for a uniquely human experience," said Aaker.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      Happiness comes from having stuff only if you think about happiness like that. Happiness actually comes from not being stressed and trying to be with your family.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      People think that happiness comes from having phones,toys,etc.but thats the problem,Thanks to other peoples blogs and myths people think that the only way to be happy is from having stuff,and from having the "Happiness stuff" comes being "Buried alive".
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      Being happy is not about having stuff,its about being with your family,Happiness is the best thing that can happen to anybody.Happiness is kind of the meaning of life,it gives us a meaning of what to do and when to do it.Happiness gives us a path to life,happiness is when you are with your family,happiness helps us understand that we can do better than what we already do.Happiness as you know doesn't come from having stuff,
    • morales5853
      morales5853 on 07 Nov 14
       
      no
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      Happiness is also known as a goal of life.It represents us as who we are. Happiness shows on our face.It makes other people see our pride sometimes other people feel our pride so much that they show their pride,and the happiness influence goes and goes until at some point it stops.nI clearly think that if it wasn't for happiness,pride and making our goals (Not soccer goals) we would still be cavemen and cavewomen because without them we would be terrible we would feel stupid we would feel so dum that not even Benjamin Franklin would've created the light because he probably would've felt stupid. So thats why being happy is important because without happiness we wouldn't have accomplished anything.And look at us now we already went to the moon we made a tv we made a telephone and now we have iphones.it all happened thanks to our 1 and greatest feeling:Happiness.
    • Nany Rocha
      Nany Rocha on 10 Nov 14
       
      Sometimes people feel sad and depressed so they go to the mall and go buy clothes and other items,then they claim to be relaxed and happy but Jennifer Aaker proved that its not true.In fact she proved that there are lots of ways to be happy but only 1 way is the most true hearted : Social work and also being with your family.But you cant be happy by just standing besides your family,you would have to be social with them.
  • A Stanford research project explored the key differences between lives of happiness and meaningfulness. While the two are similar, dramatic differences exist – and one should not underestimate the power of meaningfulness. "The quest for meaning is a key part of what makes us human," the researchers concluded.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      A Stanford research project explored the key differences between lives of happiness and meaningfulness. While the two are similar, dramatic differences exist - and one should not underestimate the power of meaningfulness. "The quest for meaning is a key part of what makes us human," the researchers concluded. BY CLIFTON B. PARKER Social psychologist Jennifer Aaker studies happiness and meaningfulness in life. While lives of meaningfulness and happiness overlap, they are distinctly different, according to Stanford research. But not everybody understands that happiness comes from within not from having or buying stuff. 50% of the world population (Not counting the babies) thinks that the more stuff they got or get the happier they'll be!But of course that we the "smart" population think otherwise. Social psychologist Jennifer Aaker has studied her whole life everything about happiness and she taught us that happiness comes from within happiness comes from smiling everyday from being social with friends or family.Happiness doesn't come from having stuff not at all!! Happiness is the greatest gift of all,happiness isnt just a feeling,happiness is a friendly shadow that follows you everywhere only if you let it.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      The Stanford research project of Jennifer Aaker explains how to get happiness and why it is important.But now I realize that not everybody understands that happiness comes from within not from having or buying stuff. 50% of the world population (Not counting the babies) thinks that the more stuff they got or get the happier they'll be!But of course that we the "smart" population think otherwise. Social psychologist Jennifer Aaker has studied her whole life everything about happiness and she taught us that happiness comes from within happiness comes from smiling everyday from being social with friends or family.Happiness doesn't come from having stuff not at all!! Happiness is the greatest gift of all,happiness isn't just a feeling,happiness is a friendly shadow that follows you everywhere only if you let it.When I say that happiness is a shadow following you only if you let it its because this days happiness is a complete shadow.Not everybody is happy and someday we might never feel happiness ever again,But while I get off topic you should think : "Wow,I should listen to her.I should be grateful for what I already have, instead of getting more stuff." Because the more you think about it the more you understand that happiness is our path to life.that happiness is our friend happiness is our heart that keeps us alive.Thats why we smile thats why we cry thats why we love laugh and live. Without happiness we would be grumpier than the grumpiest cat.We should think more about being grateful than thinking of what to buy to be happy.
  • Nany Rocha on 06 Nov 14
     
    A bit boring but i hope its helpful!
  • morales5853 on 07 Nov 14
     
    A bit boring but i hope its helpful!
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