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Tag Archives: science

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Radiation Dose Chart

14 Friday Dec 2012

Tags

radiation, science, xkcd

Source: Radiation.

51.972045 7.631799

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Posted by calculi | Filed under Science

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Rocket Tech Explained in Most Popular Thousand Words

12 Monday Nov 2012

Posted by calculi in Illustration, Science, Space

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Tags

humour, illustration, rocket, science, Space, technology, xkcd

Source: xkcd: Up Goer Five.

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Was Jesus Christ really married? New evidence says so…

18 Tuesday Sep 2012

Posted by calculi in Science, The fuzzy world

≈ 1 Comment

Tags

archaeology, christianity, history, jesus, jesus christ, religion, science, smithsonian, smithsonian magazine, theology

Harvard researcher Karen King today unveiled an ancient papyrus fragment with the phrase, “Jesus said to them, ‘My wife.’” The text also mentions “Mary,” arguably a reference to Mary Magdalene. The announcement at a religious studies conference in Rome is sure to send shock waves through the Christian world. The Smithsonian Channel will premiere a special documentary about the discovery on September 30 at 8 p.m. ET. And Smithsonian magazine reporter Ariel Sabar has been covering the story behind the scenes for weeks, tracing King’s steps from when a suspicious e-mail hit her in-box to the nerve-racking moment when she thought the entire presentation would fall apart.

Read more: The Inside Story of a Controversial New Text About Jesus | History & Archaeology | Smithsonian Magazine.

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History of Mars Exploration

19 Sunday Aug 2012

Posted by calculi in Astronomy, History of Science, Space

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Tags

curiosity, esa, history, infographics, Mars, mars exploration, Nasa, planet science, science, space mission, space missions

There were many attempts to explore Mars using Space missions. As of July 2007 the success rate was 47%. Interestingly, Soviets were the first to attempt it, but Americans were the most successful ones. In coming centuries, the exploration will look different with China and India coming into play. The following infographics tells the whole story:

Find out about the many attempts to land robots on Mars in this SPACE.com infographic.
Source SPACE.com: All about our solar system, outer space and exploration

Related articles
  • Listen to Carl Sagan’s message to Mars rover Curiosity explorers (deathandtaxesmag.com)
  • What Do You Think Of The Exploration Of Space? [We Ask You] (makeuseof.com)
  • Mars One – One way mission to Mars for human settlement. (developerblogging.wordpress.com)
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51.972246 7.631770

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Father of celestial bodies or Spongy moon of Saturn?!

04 Sunday Mar 2012

Posted by calculi in Personal

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Tags

astronomy, Cassini, hyperion, moon, Satellite, Saturn, science, space mission, spacecraft, spacex

Of Hyperion we are told that he was the first to understand, by diligent attention and observation, the movement of both the sun and the moon and the other stars, and the seasons as well, in that they are caused by these bodies, and to make these facts known to others; and that for this reason he was called the father of these bodies, since he had begotten, so to speak, the speculation about them and their nature.
—Diodorus Siculus (5.67.1)
This is how we know Hyperion from Greek mythology. In modern astronomy, it is also the name of spongy looking moon of Saturn. NASA’s Cassini spacecraft took a snap of it during its flyby in August 2011.
 
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It is as spongy as it gets, to be battered on each and every side. A beautiful, yet very violent picture of any major celestial body so far.
 
Source: nationalgeographic.com

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Galileo and the religious authority

25 Wednesday Jan 2012

Posted by calculi in History of Science, Personal, Photography

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Tags

galilieo, history, instagram, iphoneography, painting, poster, science

from Instagram: http://instagr.am/p/kVjkh/
51.534528 9.934231

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Recordings of webinar on medieval physicists

24 Monday Oct 2011

Posted by calculi in History of Science

≈ 1 Comment

Tags

arabic, history, islamic knowledge, physics, physicsworld, science, webinar

I’ve told you in one of my earlier posts about the webinar on forgotten works of medieval physicist from middle-eastern kingdoms. Whoever has missed this wonderful webinar, has a chance to watch the recording again.

Go the following link to watch it online: physicsworld.com

51.534528 9.934231

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Webinar on Contribution of Islamic Science

29 Thursday Sep 2011

Posted by calculi in Science

≈ 1 Comment

Tags

history, islam, islamic knowledge, medieval, physicist, physics, physicsworld, science, webinar

WEBINAR on PhysicsWorld.com

The Topic:
On the Shoulders of Eastern Giants: The Forgotten Contributions of Medieval Physicists

Event Date: Thursday, October 20, 2011 at 4:00 PM BST

Summary:
We learn at school that Newton is the father of modern optics, Copernicus heralded the birth of astronomy, and Snell deduced the law of refraction. But what debt do these men owe to the physicists and astronomers of the medieval Islamic Empire? What about Ibn al-Haytham, the greatest physicist in the 2000-year span between Archimedes and Newton, whose Book of Optics was just as influential as Newton’s seven centuries later? Or Ibn Sahl, who came up with the correct law of refraction many centuries before Snell? What of the astronomers al-Tusi and Ibn al-Shatir, without whom Copernicus would not have been able to formulate his heliocentric model of the solar system? In this lecture, Jim Al-Khalili recounts the stories of these characters and more from his new book Pathfinders: The Golden Age of Arabic Science.

The webinar will run for approximately 45 minutes with time for a Q&A at the end.

Speaker: Jim Al-Khalili, Professor of Physics and Professor of the Public Engagement in Science at the University of Surrey, UK.

Jim Al-Khalili is a physicist, author and broadcaster. As well as his work on radio and television, he has written a number of popular-science books, the most recent of which is Pathfinders: The Golden Age of Arabic Science. His awards include the Royal Society Faraday Prize (2008), the IOP Kelvin Medal (2011), an OBE in 2008 and a Bafta nomination.

Moderator: Dr. Margaret Harris, Reviews and Careers Editor, Physics World

The Registration: Event Registration (EVENT: 353264).

 

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An astrophysicist looking at cool stars...

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