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Keyword: pi

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  • 3.14 essential reads about π for Pi Day ...[HAPPY PI DAY!]

    03/14/2017 2:31:37 AM PDT · by Daffynition · 56 replies
    The Conversation ^ | March 14, 2017 | staff reporter
    On March 14, or 3/14, mathematicians and other obscure-holiday aficionados celebrate Pi Day, honoring π, the Greek symbol representing an irrational number that begins with 3.14. Pi, as schoolteachers everywhere repeat, represents the ratio of a circle’s circumference to its diameter.
  • 25 Years of Hardware Manufacturing in Plovdiv

    01/06/2016 7:59:29 PM PST · by Utilizer · 4 replies
    Hackaday, Hack A Day, and the Skull and Wrenches ^ | January 5, 2016 | by: Denisa Kera and Yair Reshef
    Plovdiv, Bulgaria has a long history of design and innovation going back at least 6000 years to cultures like the Thracians, Celts, and Romans. In the last decade it is also an important center for open hardware innovation -- reviving the lost glory of the computer hardware industry from the former "Soviet bloc countries". One of the companies in the region that has thrived is a 5000 square-meter microelectronics factory which you may have heard of before: Olimex. Olimex has over 25 years of experience in designing, prototyping, and manufacturing printed circuit boards, components, and complete electronic products. Over the...
  • Barack Obama in the Philippines Press Conference Q+A 11/18/15

    11/18/2015 3:00:31 AM PST · by LeoWindhorse · 18 replies
    Obama ^ | Nov. 17 , 2015 | Barack Hussein Obama
    Barack Obama in the Philippines Press Conference Q+A 11/18/15
  • New derivation of pi links quantum physics and pure math

    11/10/2015 10:54:08 AM PST · by Red Badger · 34 replies
    phys.org ^ | November 10, 2015 | Provided by: American Institute of Physics
    Two pages from the book "Arithmetica Infinitorum," by John Wallis. In the table on the left page, the square that appears repeatedly denotes 4/pi, or the ratio of the area of a square to the area of the circumscribed circle. Wallis used the table to obtain the inequalities shown at the top of the page on the right that led to his formula. Credit: Digitized by Google ============================================================================================================= In 1655 the English mathematician John Wallis published a book in which he derived a formula for pi as the product of an infinite series of ratios. Now researchers from the University...
  • Republicans vote against Pi Day. WHy?

    03/14/2015 7:26:45 PM PDT · by rey · 53 replies
    vanity
    I understand that in 2009 10 Republicans voted against House Resolution 224 a resolution making today, 14 Mar, 3.14, Pi Day. Why would anyone be against this? Is there cost in passing such a resolution and if so how much? The ten who voted against: Chaffetz, Jason, R-Utah, 3rd Flake, Jeff, R-Arizona, 6th Heller, Dean, R-Nevada, 2nd Johnson, Timothy V., R-Illinois, 15th Miller, Jeff, R-Florida, 1st Neugebauer, Randy, R-Texas, 19th Paul, Ron, R-Texas, 14th Pence, Mike, R-Indiana, 6th Poe, Ted, R-Texas, 2nd Shuster, Bill, R-Pennsylvania, 9th
  • Happy Pi day to all Freepers

    03/14/2015 11:06:56 AM PDT · by entropy12 · 87 replies
    03.14.15 | Self
    Pi day occurs only one every 100 years, so revel and enjoy it!
  • This Years Pi Day more special than ever

    03/14/2015 7:27:17 AM PDT · by thirst4truth · 61 replies
    VOX ^ | 3-14-15 | Joseph Stromberg
    Today is the most magical day of the year: Pi Day. It's also the most magical year of the century: Pi Year. That is, today's date is 3/14/15 (at least in the US and a few other countries that write dates the same way), which matches up nicely with the first five digits of pi, the ratio of every circle's circumference to its diameter: 3.1415.
  • Mathematicians And Diners Prepare For Ultimate Pi Day

    03/13/2015 4:19:38 PM PDT · by beaversmom · 44 replies
    CBS Detroit ^ | March 13, 2015 | Edward Cardenas
    SOUTHFIELD (CBS Detroit) Mathematicians will celebrate Saturdays date, and those who struggled with high school math may shudder, as the world recognizes Pi Day March 14 (3-14). The date represents the irrational number 3.14 which expresses the ratio of a circles circumference to its diameter, and for the only time this century, can be extended to include ten digits at 3/14/15 9:26:53 (which in actuality could be extended to an infinite number for those who recall their math classes). But while it may seem irrational to celebrate the day by those who are numerically inclined, Congress did recognize March...
  • Kano simple as Lego, powered by Pi

    08/04/2014 5:37:00 AM PDT · by ShadowAce · 9 replies
    Linux User & Developer ^ | 1 August 2014 | David Crookes
    For some time now, there has been much talk about the Raspberry Pi revolutionising the teaching of computing in schools. Linux User & Developer has devoted much space and attention to the growing number of Jamborees and the increasing attention teachers are giving to the small, 25 bare-bones machine. It is, say advocates, the perfect way to introduce children to the world of computing, allowing them to see and actually interact with the innards of the machines they are using. It is, they add, a great platform for programming and for creating all manner of electronic wonders.But for former journalist...
  • Private eyes use drones to nab scammers and cheating spouses

    07/13/2014 10:15:10 AM PDT · by Dallas59 · 8 replies
    New York Post ^ | 7/13/2014 | New York Post
    They’re private eyes in the skies. Investigators are taking drones to new heights — using the remote-controlled aircraft to catch New Yorkers cheating on spouses, lying about disabilities and endangering their kids. “People want you to believe there’s all this negativity associated with drones . . . but they could be a very helpful tool,” said Olwyn Triggs, a gumshoe for 23 years and president of Professional Investigators Network Inc. in Glen Cove, LI. Triggs recently used a drone to find an upstate man suspected of insurance fraud. Signs on his rural property warned that trespassers would be shot, so she sent...
  • Today, March 14 is Pi Day: Go Have Pie!

    03/14/2014 10:50:57 AM PDT · by xzins · 48 replies
    General/Chat Vanity | 3/14 | Xzins
    March 14 or 3/14 is pi day, or 3.14 Celebrate with your favorite PIE!
  • The Sound of PI (Music)

    01/14/2014 9:31:47 AM PST · by aMorePerfectUnion · 20 replies
    You Tube ^ | 12/31/13 | 212Entertainment
    This video demonstrated what PI sounds like on the piano. Fascinating. Worth watching.
  • US boffin builds 32-way Raspberry Pi cluster

    05/20/2013 10:30:18 AM PDT · by ShadowAce · 18 replies
    The Register ^ | 20 May 2013 | Simon Sharwood
    Boise University PhD candidate Joshua Kiepert has built a 32-way Beowulf cluster from Raspberry Pis. Kiepert says his research focuses on developing a novel data sharing system for wireless sensor networks to facilitate in-network collaborative processing of sensor data. To study that field Kipert figured he would need a decent simulator, preferably a cluster so he could simulate lots of distributed sensors. The University possesses just such a cluster, comprised of 32 nodes each packing a quad-core Intel Xeon E3-1225 CPU humming away at 3.1GHz. That's a lovely facility and is therefore much in-demand, which meant Kiepert could not guarantee...
  • On Pi Day [March 14, 2013], finding strength in numbers

    03/14/2013 5:11:50 AM PDT · by Daffynition · 43 replies
    CNN ^ | March 14, 2013 | Elizabeth Landau,
    In Daniel Tammet's mind, three is a dotted green crescent moon shape, one is a sort of white sunburst and four is a blue boomerang. Every number has a distinct color and shape, making the number pi, which begins with 3.14, unfold like a beautiful poem. For math enthusiasts around the world, March 14 (3-14) is Pi Day, honoring the number pi, which is the ratio of circumference to diameter of a circle. On Thursday, Tammet is promoting France's first Pi Day celebration at the Palace of Discovery science museum in Paris. Tammet's relationship to this number is special: At...
  • Great ExPat Options Where are they? Costa Rica? Others?

    11/07/2012 2:10:02 PM PST · by NoLibZone · 109 replies
    Nov 7 2012 | NLZ
    I desire to explore options for relocation away from the US. Countries to live in. Transferring funds. What are some expat Freepers experiences and tips and tricks? Thank You.
  • New guide: Bake your own Raspberry Pi Lego-crust cluster

    09/12/2012 10:41:32 AM PDT · by ShadowAce · 20 replies
    The Register ^ | 12 September 2012 | Anna Leach
    Scientists at the University of Southampton have built a "supercomputer" from Raspberry Pis lashed together to form a colourful data-cruncher. Professor Simon Cox and his team racked up 64 credit card-sized Pis using Lego building blocks to create the parallel computer. They named their beast Iridis-Pi after the university's Intel-powered 72-teraflops supercomputer, Iridis. Here's a photo of their very modest super in all its Pi-and-brick glory:Back of the net: Ethernet cables running to Iridis-Pi's nodes The cheapo cluster has 1TB of storage, thanks to the 16GB SD card inserted into each board, and 16GB of RAM. Each Pi is connected...
  • Are there any FReepers who live in, or who recently travelled to the Philippines?

    08/03/2012 4:09:01 PM PDT · by BenLurkin · 31 replies
    vanity | August 3, 2012 | slf
    In particular if any of you retired there.
  • Happy Pi Day!!

    03/14/2012 10:27:54 AM PDT · by ShadowAce · 25 replies · 1+ views
    Self | 3.14 | Self
    Happy Pi day, FreeRepublic! Today is March 14, or 3/14, which contain the three most significant digits in the number. It is also Albert Einsteins's birthday, so stop by and wish him many more!
  • Happy PI Day! (The Devil is lurking)

    03/14/2011 11:44:50 AM PDT · by TaraP · 93 replies
    Spaceweather ^ | March 14th, 2011
    HAPPY PI DAY: March 14th (3.14) is day and all around the world mathematicians are celebrating this compelling and mysterious constant of Nature. Pi appears in equations describing the orbits of planets, the colors of auroras, the structure of DNA. It's everywhere. Humans have been struggling to calculate for thousands of years. Divide the circumference of a circle by its diameter; the ratio is . Sounds simple, but the devil is in the digits. While the value of is finite (a smidgen more than 3), the decimal number is infinitely long: 3.1415926535897932384626433832795 02884197169399375105820974944592307 81640628620899862803482534211706...more Supercomputers have succeeded in calculating more...
  • Post your PI Day recipes! (vanity)

    03/14/2010 12:16:58 PM PDT · by Ellendra · 19 replies · 619+ views
    Ellendra | 3-14-10 | Me!
    There's a thread full of math jokes, historical trivia, and pie/PI pictures, but no recipes. So, FReepers, feel free to post your favorite pie recipes here: