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July 31 2014

Archimedes
20:04
Archimedes
10:43
Eclipse Prediction on the Ancient Greek Astronomical Calculating Machine Known as the Antikythera Mechanism
by Tony Freeth

DOI: 10.1371/journal.pone.0103275; July 30, 2014.

Abstract
The ancient Greek astronomical calculating machine, known as the Antikythera Mechanism, predicted eclipses, based on the 223-lunar month Saros cycle. Eclipses are indicated on a four-turn spiral Saros Dial by glyphs, which describe type and time of eclipse and include alphabetical index letters, referring to solar eclipse inscriptions. These include Index Letter Groups, describing shared eclipse characteristics. The grouping and ordering of the index letters, the organization of the inscriptions and the eclipse times have previously been unsolved. A new reading and interpretation of data from the back plate of the Antikythera Mechanism, including the glyphs, the index letters and the eclipse inscriptions, has resulted in substantial changes to previously published work. Based on these new readings, two arithmetical models are presented here that explain the complete eclipse prediction scheme. The first model solves the glyph distribution, the grouping and anomalous ordering of the index letters and the structure of the inscriptions. It also implies the existence of lost lunar eclipse inscriptions. The second model closely matches the glyph times and explains the four-turn spiral of the Saros Dial. Together, these models imply a surprisingly early epoch for the Antikythera Mechanism. The ancient Greeks built a machine that can predict, for many years ahead, not only eclipses but also a remarkable array of their characteristics, such as directions of obscuration, magnitude, colour, angular diameter of the Moon, relationship with the Moon’s node and eclipse time. It was not entirely accurate, but it was an astonishing achievement for its era.
Reposted byylem235macounscienceastronomygroupbesenikarizatoratildevogelLogHiMaWeksschrodingersdogzupka02mydafsoup-01oscarioMrCoffepuszkaLucyLovelaceveghtibor

July 30 2014

Archimedes
17:38
Bürgerbegehren von Wiederaufbau-Gegnern findet Mehrheit

Die Potsdamer Stadtverordneten haben ein Bürgerbegehren gebilligt, das sich gegen den Wiederaufbau der umstrittenen Garnisonkirche richtet. Die Stadtverordnetenversammlung stimmte am Mittwoch bei einer Sondersitzung bei breiter Enthaltung dem Bürgerbegehren zu. Damit wird ein folgender Bürgerentscheid vermieden. Die Bürgerinitiative "Für ein Potsdam ohne Garnisonkirche" hatte bei dem Bürgerbegehren ausreichend Stimmen mit dem Ziel gesammelt, die Stiftung zum Wiederaufbau der Garnisonkirche aufzulösen. Das gilt jedoch stiftungsrechtlich nicht als durchsetzbar.

http://www.welt.de/newsticker/news2/article130727249/Potsdamer-Stadtverordnete-stimmen-gegen-Garnisonkirche.html (30.07.2014, 19:30)
Reposted byberlinatheism

July 29 2014

Archimedes
20:21
Petition auf http://www.change.org

AKELIUS GmbH: Vertreiben Sie uns SeniorInnen nicht aus unserem Zuhause im Hansa-Ufer 5, Berlin!


Wir fordern die Politiker und die AKELIUS GmbH auf, sicherzustellen, dass die Härtefall-Regelung für die MieterInnen im ehemaligen Seniorenwohnhaus Hansa-Ufer 5 berücksichtigt werden; dass die alten Menschen zu für sie bezahlbaren Konditionen ihre Wohnungen behalten und weiterhin einen behindertengerechten, für alle BewohnerInnen zugänglichen Gemeinschaftsraum nutzen können!

(http://www.change.org/hansa-ufer-5)
Tags: politics
Reposted byberlinwonko

July 28 2014

Archimedes
15:43
Nüchtern. Eine Collegetour.

Der Nabel der Welt hat einen Namen, „Balliol“, und erlaubt kleinen Touristengruppen die Besichtigung täglich von 14 bis 17 Uhr. Balliols Bauten sind, wie Peter Sager zu recht schreibt, „keine inspirierte Architektur ... unspektakulär wie die ganze Straße“. Werbung hatte Balliol nie nötig. Sager hat nicht die erste Hymne auf seine Glorie verfasst, die im gelassenen Bewusstsein müheloser Überlegenheit die Nüchternheit der Vernunft übermächtigt.

Das Geheimnis von Balliols Macht liegt in der Doppelstrategie, jederzeit Regierung und Opposition, Kunst und Kommerz, die alte, korrupte Elite ebenso wie die Revolutionsbewegung eines Landes zu beliefern. Wenn heute längst nicht mehr nur die Staaten des Commonwealth von Ballioniten oder Marionetten in der Hand von Ballioniten regiert werden, Balliol von den deutschen Feuilletons bis zum japanischen Kaiserhaus so ziemlich alles infiltriert hat, so wundert an Lord Jenkins’ berechtig-tem Stoßseufzer „Life is just one damned Balliol man after another!“ nur die geringe Zahl von Balliol-Neuzugängen: etwa 100 jedes Jahr, von denen noch dazu gut zwei Drittel im späteren Leben den Weg der inneren Vervollkommnung wählen, unter den Brücken von Paris, in armseligen Studierzimmern abgelegener Weltgegenden, nur weit weg von Balliol; und keine anderen öffentlichen Spuren hinterlassen sie als höchstens in der Fallstudie eines medizinischen Journals über exotische Geisteskrankheiten.

Balliol ist ein College der Universitätsstadt Oxford. Die anderen Colleges haben prächtige Architekturen, seltene Gärten und längere Öffnungszeiten und sind, soweit sie einen Namen haben, teils Balliol-Tochtergründungen, teils werden sie von Ballioniten geführt. Oxford besitzt auch Automobilindustrie, Vororte mit sozialen Konflikten, zwei Flüsschen mit malerischen Auen sowie eine Altstadt, die von Tausenden Touristen überschwemmt ist. Das wahre Oxford aber liegt im Herzen. Sager gelingt es, seine Schönheit mit solcher Sprachpracht einzufangen, noch dem schnödesten Stein mit solchem Anekdotenreichtum Leben einzuhauchen, dass sich ein realer Besuch erübrigt. Seine Erzählkunst, die vom Augenschein nur enttäuscht werden kann, überschüttet undiskriminierend alles, und wenn sie sich zuletzt, in der ganzen zweiten Hälfte des Buches, einem anderen Städtchen aus dem Osten Englands zuwendet, hat sie endlich ein dankbares Opfer gefunden, das sich über die angelockten Besucherscharen freuen mag. ukü

PETER SAGER: Oxford & Cambridge. Eine Kulturgeschichte. Schöffing & Co., Frankfurt a. M. 2003. 438 Seiten, 34,90 Euro. [http://www.amazon.de/dp/3895616702/]

Süddeutsche Zeitung, 30. Juni 2003, Literaturbeilage, S.32.
Tags: untagged
Reposted byohmygodthebritish02mydafsoup-01

July 27 2014

Archimedes
12:00
Live Webcam Under the Vulcano Popocatépetl, Mexico.
(now)
Tags: untagged
Archimedes
11:13
Archimedes
11:05

Fabian Essay

(PDF, 8.99 MB)
Bernard Shaw: Socialism for Millionaires.
15 pages, London: The Fabian Society, July 1901 (pdf-file).
Tags: politics
Reposted byohmygodthebritish ohmygodthebritish

July 26 2014

Archimedes
14:48
BER Pannen Quartett (7,99 Euro)
Reposted byKobajashiberlinbesencygenb0ckrzekomym68khanspeterwurst3dzwergAndipassingbirddatenwolfFredFuchs5fehlerphr33kSpinNE555darksideofthemoonschwadhoopselen34mfmfmfdarksideofthemoondhoop

July 25 2014

Archimedes
23:24
Archimedes
15:05
9945 1670
(Iran Air Flight 655, Airbus A300, 3 July 1988)
Reposted bybesendudantonbbsmb5timecodeM3lk0rtuedelgingerglueselen34soulwaxtreebreezetimecodeblubber
Archimedes
11:25
Live Webcam Under the Vulcano Popocatépetl, Mexico.
(now)
Tags: untagged

July 24 2014

Archimedes
20:38
Beach of Snettisham, Norfolk (England), Evening of 22 July 2014:  Interim company finance director Mr Jeremy Fletcher, 56, meets God and takes a picture.
Tags: religion
Reposted byiseefacesHigh-Keyatheismschlachtorosohmygodthebritishpositano
Archimedes
12:22
Deliberate Practice and Performance in Music, Games, Sports, Education, and Professions - A Meta-Analysis
by Brooke N. Macnamara (Princeton), David Z. Hambrick, Frederick L. Oswald

Psychological Science, 0956797614535810, July 1, 2014.

Abstract
More than 20 years ago, researchers proposed that individual differences in performance in such domains as music, sports, and games largely reflect individual differences in amount of deliberate practice, which was defined as engagement in structured activities created specifically to improve performance in a domain. This view is a frequent topic of popular-science writing—but is it supported by empirical evidence? To answer this question, we conducted a meta-analysis covering all major domains in which deliberate practice has been investigated. We found that deliberate practice explained 26% of the variance in performance for games, 21% for music, 18% for sports, 4% for education, and less than 1% for professions. We conclude that deliberate practice is important, but not as important as has been argued.
Reposted bysciencearas1024

July 22 2014

Archimedes
01:47
Klaus Schmidt, discoverer of Göbekli Tepe, drowns in the Baltic Sea.
Tags: untagged
Reposted byscience02mydafsoup-01elcommendanterazielinipleplethisgamehasnonamesergelanmibesentimecodecieniolubekdarksideofthemoontreebreeze

July 21 2014

Archimedes
22:39
Underside of old frying pans.
Tags: untagged
Reposted byastronomygroupinnocentALIEN13loveHigh-Keyscorpixbitterteethnieobecnoscmojbalagannastrychutildepanpancernymruutreebreezeampilein

July 20 2014

Archimedes
19:49
Rasmus Klump & friends.
Tags: untagged
Reposted bycontinue continue

July 19 2014

Archimedes
16:44
It was just a matter of time before a civil plane was shot down in Ukraine’s SAM-infested airspace
By David Cenciotti

In spite of the amount of aircraft shot down by the rebels, civil airliners flew through the SAM-infested airspace of Eastern Ukraine with the risk of being mistakenly hit. As happened to the Malaysian Boeing 777.
(http://theaviationist.com/2014/07/17/mh17-matter-of-time/)
Tags: politics
Reposted by02mydafsoup-01besenverschwoerer

July 18 2014

Archimedes
09:28
Knitted mathematical models made by Alexander Crum Brown, Professor of Chemistry, Uni of Edinburgh, 1838-1922.
(Whipple Museum, Cambridge, UK)
Tags: science arts
Reposted bysciencetildehoernchenkotzelubiezoltyikarilunoliel

July 16 2014

Archimedes
13:52
Riseup joined six other online service providers in a lawsuit against the British intelligence agency GCHQ.

In a twist that seems more fitting of a John Grisham courtroom-based drama than a James Bond adventure the British spy community is reportedly being sued by a number of Internet Service Providers as well as members of Parliament.

Last year classified documents released by former National Security Agency (NSA) analyst Edward Snowden revealed a number of American surveillance programs, while also exposing the fact that Great Britain’s Government Communications Headquarters (GCHQ), the intelligence and security organization that is responsible for providing signals intelligence (SIGINT) to the British government and armed forces, was involved in its own mass surveillance of the Internet.

The British media, including The Guardian newspaper and the BBC, are reporting that ISPs from six nations have joined forces with the advocacy group Privacy International to file a legal complaint against the GCHQ. The ISPs include the American Riseup and May First/People Link; the United Kingdom’s GreenNet; the Netherlands’ Greenhost; Germany’s Chaos Computer Club; Zimbabwe’s Mango; and South Korean Jinbonet.

The ISPs have called out the GCHQ’s surveillance efforts, and allege that this was a breach of the Computer Misuse Act of 1990 and further interfered with the privacy rights of the employees under the European convention of human rights.

“People have a fundamental right to communicate with each other free from pervasive government surveillance,” Riseup.net’s Devin Theriot-Orr told The Guardian. “The right to communicate, and the ability to choose to do so secretly, is essential to the open exchange of ideas which is a cornerstone of a free society. GCHQ must stop its illegal monitoring activities.”

The claims were filed with the investigatory powers tribunal (IPT), the court in London that can assess complaints about the activities of the GCHQ and misuse of surveillance by government organizations.

The ISPs allege that the GCHQ worked with the NSA and had a range of network exploitation and intrusion capabilities that included a ‘man-on-the-side’ technique, which bypasses modern encryption software and covertly injected data into existing data streams to create connections that will enable the targeted infection of users. The two intelligence agencies also reportedly used an automated system, which was codenamed Turbine, and it allowed the agencies to scale up network implants.

“These widespread attacks on providers and collectives undermine the trust we all place on the internet and greatly endangers the world’s most powerful tool for democracy and free expression,” Eric King, deputy director of Privacy International, told The Guardian newspaper. “It completely cripples our confidence in the internet economy and threatens the rights of all those who use it. These unlawful activities, run jointly by GCHQ and the NSA, must come to an end immediately.”

In addition, two Green Party lawmakers in the UK have also sued the British Government, claiming that their communications were intercepted by a government-run surveillance program.

Bloomberg News has reported that lawyers for Caroline Lucas, a member of the House of Commons, and Jenny Jones, a member of the House of Lords, claim that the politicians were monitored as part of the GCHQ’s Tempora program.

“It is clear that GCHQ is engaging in bulk interception of communications carried on fiber optic cables,” lawyers for the politicians said in court documents, as reported by Bloomberg News.

Members of Parliament are protected by a public policy known as the Wilson Doctrine that bans electronic surveillance.

(more: https://help.riseup.net/en/about-us/press/14.07.02-gchq-pressrelease.pdf)
Tags: politics
Reposted bywonkoohmygodthebritishsofias
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