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eric c

Archimedes' Screw (Illustrations) - 2 views

  • THE SCREW OF ARCHIMEDES Archimedes of Syracuse, when he was in Egypt, invented a machine for pumping bilge water out of the holds of ships.   . . .  A curious model of such an instrument, probably of the late Ptolemaic period, has been found in Lower Egypt. It consists of a terra-cotta cylinder with a screw inside it, 10 inches long and 4-1/2 inches in diameter.
    • henry m
       
      It's amazing that this was the modern water pump back then.
    • morgan g
       
      Wait so did it pump the water out of the ship or did it pump fresh water from the ocean?
    • eric c
       
      Oceans have salt water so no.
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    An amazing invention invented by Archimedes that is still used today to move water up an incline.
jessica q

Rome - 2 views

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    Almost all of the info on the slide show is useless to us at this point except the second to last slide with a few Roman inventions.
Livi E

World History - Home - 5 views

  • ration, creative thinking, problem solving, and new ways of engaging in learning. As you can see, this blog belongs to the students of  Beachwood Middle School and Chardon Middle School.  Our goal is to allow students to collaborate between schools, districts and cities.  The link to the left, "2011-2012 Blog" is for both schools and it is where Mr. Holman and Mr. Pennington will keep everyone informe
    • isabel l
       
      Homework is still spelled wrong.....
    • isabel l
       
      Excuse me, but I can't read the yellow print.
Mike Pennington

Lost cities found beneath sands of Sahara by satellites - 1 views

  • Satellite images have revealed the ruins of a long-lost civilisation which existed in what is now the Sahara desert in Roman times and before
  • According to David Mattingly, professor of Roman archaeology at Leicester uni, the vanished "Garamantes" culture was a highly advanced one
  • “In fact, they were highly civilised, living in large-scale fortified settlements ... It was an organised state with towns and villages, a written language and state of the art technologies. The Garamantes were pioneers in establishing oases and opening up Trans-Saharan trade,” says the prof.
michael t

Facebook's Users Ask Who Owns Their Information - NYTimes.com - 40 views

  • The online exchanges reflected the uneasy and evolving balance between sharing information and retaining control over that information on the Internet.
  • unflattering light onto the pages of legal language that many users accept without reading when they use a Web site.
  • called terms of service
  • ...6 more annotations...
  • it deleted a provision that said users could remove their content at any time, at which time the license would expire. Further, it added new language that said Facebook would retain users’ content and licenses after an account was terminated.
  • “anything you upload to Facebook can be used by Facebook in any way they deem fit, forever, no matter what you do later.”
  • any comments the user had posted on a page remain visible.
  • “Most Web sites today offer terms of service that are designed to protect and further the interests of the company writing the terms, and most people simply agree to terms without reading them.”
  • Why would anyone trust a company with his or her personal information, especially when that company’s explicit legal language claims eternal rights to exploit that information, and there is good reason to expect that they will?”
  • “Facebook owns you.”
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    I do not like the idea that Facebook can advertise or giveout my personal information or any information that i write down in confidence of it being secure. This right they give themselves allows them to use our personal information and writen documentation in ways that could be degrading and possibly dangerous if the wrong people get hold of the information. http://www.readwriteweb.com/archives/facebooks_zuckerberg_says_the_age_of_privacy_is_ov.php This link above is about an interview with the founder of Facebook, Mark Zuckerberg, it contains statemnets about the new privacy policy.
kota k

History of Chinese Technology - 4 views

  • earliest printed book, AD 868
  • We don't know exactly when paper was first used in China but evidence from archaeological records indicate that it was prior to the first century AD.  In China, the most common source for paper was the bark of the paper mulberry tree (Gies & Gies 1994 p 182
  • There is not doubt that the Chinese invented gunpowder
  • ...4 more annotations...
  • ability to magnetize iron by placing it near a loadstone was known to ancient civilizations
  • applied this principle of magnetism to create the compass
  • In technologically development, the story is much different (see Burke (1978) for more descriptions of these innovations).  There have been many Western innovations that have their basis in China, particularly those in printing (paper, block printing, and moveable-type printing), agricultural technology (irrigation systems), mechanical engineering (clockwork, iron, and lead manufacturing, efficient harnesses), and martial (gunpowder, the precursors to the barrel gun, and cannons) technology.
    • kota k
       
      Intermediate Reading level
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    Intermediate Reading Level
Mike Pennington

Collaborative Whimsy: Eric Whitacre's Virtual Choir - 1 views

  • Eric Whitacre premiere the 2.0 version of his astounding virtual choir at TED 2011. The mesmerizing film is composed of 2,052 performances of “Sleep” from 1,752 singers in 58 countries, individually recorded and uploaded to YouTube between September 2010 and January 2011,
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    Amazing use of technology to connect people.
morgan g

Mr. Patterson's Cell Project - 4 views

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    Great site for the cell project LOTS of info.
Garth Holman

Creative Commons: What every Educator needs to know - 3 views

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    What images can we use in the ONLINE book we are creating. See this slideshow to find out.
Mike Pennington

Satellite Images Provide Blueprint for Ancient Egypt - 0 views

  • Satellites orbiting 400 miles above earth have revealed numerous hidden ancient sites across Egypt, including 17 pyramids, 1,000 tombs and 3,100 settlements,
  • The contours of ancient Egyptian homes and other buildings appear in infrared imagery because they were constructed from mud brick, a dense material that stands out from surrounding soil. As a result, the satellite images showed both known archaeological sites that have been studied and excavated for decades and other ancient treasures ostensibly buried deep beneath the sand
  • For Parcak, the precise mapping afforded by the technology has the potential to shed light on the daily lives of ancient Egyptians and the relationship they had with their natural environment.
brock j

Ancient Greece - Art and Architecture, Sculpture, Pottery and Greek Temples - 1 views

shared by brock j on 04 Nov 11 - Cached
  • Acropolis in Greek means "The Sacred Rock, the high city". All around the world the Acropolis of Athens is known as 'The Acropolis'. There are many Acropolises in Greece but the Acropolis of Athens is the best known. The Acropolis is primarily dedicated to the Goddess Athena. But humans from the prehistoric era have populated the Acropolis and the caves around it. Situated in the middle of Athens, many myths, festivals and important events are connected to the sacred Acropolis. The Acropolis echoes the grandeur and the power of the Athenian empire....
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    this is cool things about the acropolis
Alexander AER

Ancient Greece - History, mythology, art, war, culture, society, and architecture. - 2 views

    • Josh B
       
      hyperlinks for certain areas of Ancient Greece
    • Swathi S
       
      its really cool and interactive
    • Yossi DuBow
       
      This is very Helpful!!!
    • brock j
       
      cool what is it about
    • Chaehee Lee
       
      These are the links to Geography, mythology, the people, culture and society, etc.
    • Swathi S
       
      i really like this site
    • Kalina P
       
      There's a lot of useful information which includes some of the topics Mr. Holman gave us. It is very interactive and helpful.
  • ...1 more annotation...
    • Alexander AER
       
      I'll have to remember this site. :D
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    Website two of two for Greece
Brian K.

Hinduism Missions, Spread, Changes, Regional adaptations - 0 views

  • Hinduism has, however, spread to other parts of the world. It has spread as a result of Hindu kings conquering non-Hindu lands; it has spread as a result of colonization and then globalization; and in the modern period it has spread as a result of westerners adopting, and converting to, Hindu practices and beliefs. Hindu kings began to make forays into Sri Lanka and parts of southeast Asia as early as the 7th century C.E. Hinduism was a major cultural force in much of Southeast Asia
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    How Hinduism spread.
Brian K.

The Main Dynamics Of The Rapid Spread Of Islam - 0 views

  • Peoples of all eras have been ready to embrace Islam for a wide variety of reasons.
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    How Islam spread.
Brian K.

:: Spread of Buddhism :: - 1 views

  • Long ago, Buddhism began to spread southwards from its place of origin in northern India to Sri Lanka, Burma, Thailand, Indo-China and other South East Asian countries. It also moved northwards into the Himalayan kingdoms (Sikkim, Bhutan, Nepal), Tibet, Mongolia and other parts of Central Asia, and also into China, Korea and Japan.
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    How Buddhism spread.
Brian K.

Spread of Christianity - 2 views

  • Christianity emerged as a leading religion in the Imperial Roman age for a variety of factors.
  • Christianity had many similarities to other cults that had already gained widespread acceptance.
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    How Christianity spread.
maddie t

My Library - 0 views

shared by maddie t on 04 Nov 11 - No Cached
jon t

My Library - 0 views

shared by jon t on 04 Nov 11 - No Cached
ben m

Four Great Inventions - Wikipedia, the free encyclopedia - 1 views

  • The prevailing academic consensus is that gunpowder was discovered in the 9th century by Chinese alchemists searching for an elixir of immortality.[16] By the time the Song Dynasty treatise, Wujing Zongyao (武经总要), was written by Zeng Gongliang and Yang Weide in AD 1044, the various Chinese formulas for gunpowder held levels of nitrate in the range of 27% to 50%.[17] By the end of the 12th century, Chinese formulas of gunpowder had a level of nitrate capable of bursting through cast iron metal containers, in the form of the earliest hollow, gunpowder-filled grenade bombs.
    • ben m
       
      that is pretty cool its like if they had not of done that then we would not have the guns we have today pretty cool again
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