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Konstantinos Foutzopoulos
268 followers -
geek & tech enthusiast
geek & tech enthusiast

268 followers
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Today's Google Doodle marks the 50 years of  #DoctorWho . It is an entertaining interactive 8-bit multilevel mini-game #DrWhoDoodle , where you have to help the Doctor collect the letters of Google logo, in locations spread throughout time and space.

Find it either on Google's homepage, or http://www.google.com/doodles/doctor-whos-50th-anniversary. Jump on your TARDIS ( Time And Relative "Doodle" In Space ) and #SaveTheDay .

This doodle is the biggest the company has ever produced and it was nicknamed the “Whodle” while in development at Googleplex (or that's what they say anyway). If you wanna know more about it, you can read the story behind it at [http://www.theguardian.com/technology/2013/nov/22/doctor-who-50th-anniversary-the-story-behind-the-google-doodle].
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Well, that looks amazing. Eucalyptus deglupta (its botanical name) is a tall tree, commonly known as the rainbow eucalyptus. It grows up to 2.4 meters a year, reaching a height of 60 to 75 meters  with a diameter of 240 centimeters.

The unique multi-hued bark (what gave it its common name) is its most distinctive feature. Patches of outer bark are shed sporadically throughout the year, showing a bright green inner bark which then darkens and matures to give blue, purple, orange and then maroon tones. The variegated coloring of this tropical species is limited to the smooth, layered, and constantly exfoliating bark.

David Lee, a professor of botany at Florida International University, made a guess of what gives this tree its appearance. (From +Science Friday article on the tree. See link at the end.)

Dividing cambium cells produce a succession of thin barks, each dozens of cells thick, on a growing rainbow tree. Each bark layer has a transparent surface overlay just one cell thick and the tissue underneath is packed with bright green chlorophyll. Over time, the clear surface cells become flush with the reddish brown color of tannins. These accumulations, plus a depletion in chlorophyll in the underlying tissue, lead to the apparent change in color of the bark layers.

Sources:
* http://en.wikipedia.org/wiki/Eucalyptus_deglupta
* http://www.worldagroforestrycentre.org/SEA/Products/AFDbases/AF/asp/SpeciesInfo.asp?SpID=770
* http://www.sciencefriday.com/blogs/11/06/2013/picture-of-the-week-rainbow-eucalyptus.html
* http://www.woodmagazine.com/advice/wood-supplies/lumber-sheet-goods/rainbow-eucalyptus-look-but-dont-cut/

#botany #trees #rainbow #eucalyptus  
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New look for #Google services, and not even a warning. Well, this will be one of the few occasions (I'm also kinda sleepy right now) that I find the change pleasant, though I'ld like being able to go back for a differences check.

// It also happens to be on my Windows 7 desktop.
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Today, Saturday, September 21st is the Software Freedom Day of the year 2013. SFD is an annual worldwide celebration of Free Software, which happens at the 3rd Saturday of each September.

http://www.softwarefreedomday.org/

Today is a good day to try a switch in free and open alternatives of your proprietary software (if you haven't already). You can use the following websites to find out those alternatives:

> http://www.osalt.com/ > http://ben.balter.com/open-source-alternatives/

Also, in case you haven't do it yet you should read the GNU philosophy essays which explain and empathize the need of free software. Though you may not agree with everything is being said, you will understand why we should promote it.

http://www.gnu.org/philosophy/

#softwarefreedomday   #freesoftware #opensource #gnu
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Have I not spy wit' ye eye 'tis message, I would haven't remember'd that this day be th' International Speak Like A Pirate Day. Damn ta hell, that gunna have ruckas, but somehow I missed it. Oh, whatever; I can always be a scurvy pirate 'n shout like one 'o 'em whenever I be needin'. #pirates #speaklikeapirate  
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That #SouthPark episode provides a very serious (as always of course) reason for not using #Facebook .
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So, is there someone of you who thinks #mathematics have no use on real life? Think again. David Phillips took advantage of pudding promotion to earn airline miles for life. 1,2 million miles to be precise for a price of $3,150 (3.817€ on 2000 that this happened). And how he did that? He knew mathematics. (Actually I just wanted to share this story, but I wanted to write something more as it isn't something that happens every day.) #airlines #travel  
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+Google+ Why the heck every +1 I make on the network appears on my main stream? I find it a nice addition, but as I can already do that with Share and I don't want my stream flooded with dozens of +1, I would like to know if there is any way to deactivate that "feature." At least being able to choose what posts I want to appear.

#googleplus #google  
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