Eunoia
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--> Most recent Blog ![]() Comments Policy Impressum Maths trivia Search this site ![]() Eunoia, who is a grumpy, overeducated, facetious, multilingual ex-pat Scot, blatantly opinionated, old (1944-vintage), amateur cryptologist, computer consultant, atheist, flying instructor, bulldog-lover, Beetle-driver, textbook-writer, long-distance biker, geocacher and blogger living in the foothills south of the northern German plains. Not too shy to reveal his true name or even whereabouts, he blogs his opinions, and humour and rants irregularly. Stubbornly he clings to his beliefs, e.g. that Faith does not give answers, it only prevents you doing any goddamn questioning. You are as atheist as he is. When you understand why you don't believe in all the other gods, you will know why he does not believe in yours :-) Oh, and he also has a neat English Bulldog bitch 'Frieda'. And her big son 'Kosmo'.
Some of my bikes
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Friday, February 28, 2014
The secret life of Christ![]() That'd be Sebastian Christ*, a young German author. Christ spent some time in the military, did a study year in Washington (DC), travelled to Afghanistan as a freelance journalist, covered politics on Facebook and via GoogleMail. Wrote a book about the disaster that is Afghanistan. So he had every expectation that US spying agencies would have files on him. So, citing the FOIA (Freedom of Information Act), which (theoretically) gives everyone access to their own files, he wrote to the FBI, the CIA, the DIA, the DSS, the USSS and the NSA asking (naively?) what files they had on him :-) Now he has published an eBook essay (~35pp) documenting their replies (such as they were) : "Mein Brief an die NSA", Mikrotext-Verlag, Berlin. FBI : "Dear Mr. Christ, for reasons of national security, we can neither confirm nor deny the existence of a file on you" or words to that effect, FBI reply, 3.Sept.2013. NSA : "Dear Mr. Christ, ... the FOIA does not apply to the NSA.... which is entitled ... to keep its activities secret.", NSA reply, 20. Sept. 2013. Seems NONE of these intransparent agencies were willing to release ANY information, despite the FOIA :-( Catch-22 is that unless you can provide proof that you were spied upon (documents, protocols, etc), you cannot get access to them. Edward Snowden's transparency efforts notwithstanding :-( Needless to say, this gets my back up! Which is why I'm blogging about it. If you prefer to read in English, I can recommend a brand new book on a similar theme : Dragnet Nation by Julia Angwin**, an American journalist.
Comments (2): Wednesday, February 26, 2014
Not just a telescope![]() As I write this (on tuesday) it is Galileo's 450th birthday anniversary. He was born on 15 February 1564, you may cry, but that was on the Julian calender. When the Gregorian calender was introduced (1582 in the Holy Roman Empire) they were 10 days apart, so on our Gregorian calender it was February 25th. Most of us remember Galileo for his improvements to the telescope. The telescope was invented by Dutchman Hans Lippershey in 1608. Galileo heard about in 1609 and built his own on the same (3x) design. 3x is the power of an opera glass. Improved (8x) designs were sold to sea merchants and the Doge of Venice (25 August 1609). 8x is a typical magnification for a modern binocular. He built scopes of up to 30x. He discovered moons of Jupiter, Venus, Saturn, Neptune, saw sunspots, and documented the roughness of the moon's surface. The world's first astronomer :-) But in this article I want to mention his other scientific work, of which you may not be aware. Skip the rest if you are. As a professor he investigated the pendulum and found that the square of the period varies directly with the length of the pendulum. He measured the period using his pulse! He discovered the pitch of a sound to be proportional to frequency by scraping a chisel across a grating at different speeds. He studied gravity's acceleration by rolling balls down inclined planes; the story that he dropped different sized balls from the Leaning Tower of Pisa may not be true, it might just have been a thought experiment, to disprove Aristotle's theory that heavier objects fall faster. He also did some pure maths : e.g. he proved that there are as many perfect squares as there are whole numbers, even though most numbers are not perfect squares. As a physicist, in 1593 he built a water thermometer. In 1604 he built a military "compass"/theodolite enabling artillery gunners to calculate angles of elevation and gunpowder charges. He and his instrument maker sold over 100 of them. In 1624 he built a compound microscope. For all of his inventions he wrote the instruction manuals and gave courses teaching how to use them. In his last year (he died in 1642), when totally blind, he designed an escapement mechanism for a pendulum clock. He also wrote a dozen books (discourses, as he called them). All in all, a very eventful scientific life, especially when being persecuted by the One True Church®, purveyor of the Dark Ages :-( It wasn't until 31 October 1992 that the then Pope apologised for his persecution :-( Let us remember a great man today! "Eppur si muove!" Comments (2) : Monday, February 24, 2014
Inventing Face-Book ;-)Have you ever wondered what life might be like in a parallel universe? Here's an idea for a meme, wherein you take a semi-selfie of half your face with the other half covered by a book you are currently reading and promoting, and share that selfie/book-tip with your online friends? You might christen this meme Face-Book ;-) This is Improbable ;-) ![]() In a parallel universe this was a meme supposedly invented/borrowed by a Mr. Sugar-Mountain ;-) But I thought that was an improbable parallel universe and I could go one better than that :- Turn your head through 90° to face a book you have written yourself. I'd call this kind of promotional selfie a Face-Book-Profile. ![]() But I'll bet someone somewhere in one of the parallel universes has One more tip : really I should have covered my nose completely with the book. Don't want people thinking I'm using a sniffer at any time ;-) In any universe, I'm too late with this idea to become a billionaire :-( Comments(2) : Friday, February 21, 2014
Knight Rider resurfaces :-)Out of the blue, my old friend Ralph Knight, whom I haven't seen for about 20 years, sent me an email. He recently got a tablet PC and has started exploring the intertubes. Ralph was the original Knight Rider, a sidecar racer from the Isle of Man. Here's a photo he sent me, from early days. Looks like a BSA kneeler outfit to me. ![]() And here's another - from decades later - of him posing on one of the rare URS Fath Fours at a classic race meet. Fath had won the sidecar TT and the sidecar world championship in 1960 on a BMW. So why did Fath build a four? To get a power advantage over the domineering BMW twins. All other things being equal (500cc limit), engine power is proportional to the cube root of the number of cylinders. So with twice as many cylinders Fath could get 26% more power and thus be about 8% faster. He won the World Championship in 1968 with this homebuilt URS four. ![]() Personally, I could never get the hang of sidecar racing. A friend of mine's passenger scraped her backside cheek on the road once (about 50 years ago), no-one wore arse-sliders back then, so I volunteered to help out as passenger, so he could still race at the weekend. We did one track day of practice and one weekend of racing. I ended up black and blue from the bumps at Brands Hatch and decided sidecars were not for me! So here I am, just posing, on the way to the 2002 MGP, on an outfit in the National Motorcycle Museum (UK). I think it was either a Mick Boddice or a Geoff Gawley(sp?) outfit, but I'm not sure. ![]() Notice that Brit sidecar outfits have the boat on the left and continental bikes on the right, a tradition taken from the road outfits, so the driver is more in the centre of the road, I think. Now turn up the sound, and listen to a four on open megaphones at the Creg :-)
Comments (4) : Wednesday, February 19, 2014
Stupid IQ Test :-(O ne of the national magazines here pointed us to a "new" type of Japanese IQ-test (in English) which turns out to be rather stupid. First objection, it is a multiple choice scheme with only 20 questions so any result is going to be severely quantised (+/- ten points). Expecting to get 130 +/- 10 which is my usual IQ score, I went and did the test (firewall up, virus-killer on, in case 'you pay with your data'). ![]() Second objection: it is mostly maths puzzles so I just breezed through to a perfect score, which is absolute nonsense! Normal IQ distribution has a mean of 100 and a standard distribution of 13, so the probability of someone having an IQ of 200 should be about 4*10-15 :-( Now let's look at a typically stupid question they had :- ![]() You could answer Elephant because it is the only pachyderm and the only one with a trunk. You could answer Mouse because it is the only one that squeaks, Dog because it is the only one that barks, etc etc. What they expected was 'Snake' because it the only one without legs. Being really subtle you could answer "I don't know" because all the others are animals ;-) They mix answers and a meta-answer :-( So I was relieved to find this statement, which I have ringed in red, in the small print :-) ![]() How did you do on this test? FYI, here is a list of The Top 10 Most Intelligent People in the World. Comments (2) : Monday, February 17, 2014
Safer Internet Day ReportTuesday of last week, the 11th, was Safer Internet Day, an action sponsored by the EU. SWMBO and I went to the minimally-budgeted small afternoon happening at the central library in Paderborn, because I'd promised to report on it. Disappointingly small :-( ![]() There were 5 or 6 specialists there and about 20 members of the public. The first specialist we talked to was Randolf Latusek, a policeman responsible for fighting cybercrime in this area, of which a daily average of 1 gets reported. Most turn out to be attacks from overseas (Nigerian prince style), so he can just pass the reports on, almost no convictions result. Others are dishonest eBay offers or shops. He didn't/wouldn't give a statistical breakdown of local cybercrimes, so we moved on to talk to Fabian Brinkmann. He works at the Volksbank and was talking about internet banking. He gave examples of weak passwords and explained how to come up with stronger mnemonic ones using the first letters of words from a passphrase interspersed with non-alphanumeric characters. FWIW, their Internet-banking small print requires that a) your OS be patched up to date, b) you use a virus killer with a current signature database, c) you use a firewall, and d) you verify that the page your browser shows you is an httpS page. Afaik, there is no requirement that your browser has an anti-phishing blacklist. After this, we talked to Helge Jung of the C3PB (local branch of the Chaos Computer Club) and two other C3PB members whose names I failed to note (sorry). They demonstrated a WLAN sniffer intercepting passwords from accesses to http pages and that the passwords accessing httpS pages could not be extracted because encoded end to end. Geekily fascinated, they sadly did not explain in a manner suited for beginners how to cope with the http-only situation. Also present were Anna Drescher and Michael Craemer, both from the Paderborn computer library, but I didn't get a chance to talk to them. Just checking, the computer library didn't have any of my books (see right sidebar) in stock so would have had to get them from the county library or university library. This was not unexpected, they are to out of date now. The average age of the books I saw there appeared to be about 2 to 3 years, so the library is really up to date :-) Sunday, February 16, 2014
Jötunvillur code broken :-)Three of you good folks, knowing of my interest in cryptography, sent me heads-up links that the Vikings' Jötunvillur code has been broken.
Saturday, February 15, 2014
Biking to China & back.Thursday we went to see Thomas Houf's multimedia show, presented at the Kulturwerkstatt in Paderborn. Thomas Houf is a 50 year old adventurer and long-distance motorcyclist who rode a 20-year old BMW solo all the way from Cologne in Germany across Europe and through several of the Whatever-stans to the Chinese border and back through Russia on a more northerly route. We got to see his photos and videos for a couple of hours (€15 entry fee was OK). ![]() ![]() Five months and 27,000 kms in the saddle, NO punctures(!), only one accident and not many breakdowns. Lucky guy, eventful trip :-) I was envious, as I no longer have the stamina to do these kinds of distances; I stick to Europe these days, and hard-topped roads :-) Go visit his website (which is in German) to see some of his great photos, perhaps read his blog, and see what he is planning for his next trip :-) Friday, February 14, 2014
Valentine's DayCommercial interests (sales of flowers, chocolates, jewellery, dinner dates etc) tell us we have to celebrate St. Valentine's Day today. Arbitrarily, I might add. The One True Church® (OTC) doesn't even know which Valentine they sainted! Nothing is reliably known of St. Valentine except his name and the allegation that he died on February 14 on Via Flaminia in the north of Rome. It is uncertain whether St. Valentine is to be identified as one, two or three saints of the same name(sic!) . Of the three, one was a Roman priest, another the bishop of Terni and a third in the Roman province of Africa. Several differing martyrologies have been added to later hagiographies that are unreliable themselves. Pope Gelasius I wrote of Valentine "... his name is... reverenced among men, but whose acts are known only to God." In other words, the OTC just made up a myth! Bloody typical! And typically bloody! One hagiography claims he was beaten with clubs and stones; when that failed to kill him, he was beheaded. Not by the Red Queen, nevertheless, that worked :-) The hagiography that has him as the priest claims he was marrying Christians. Since married men could not be called up as soldiers, this pissed the emperor off, so he had Valentine executed. Eleven other saints having the name Valentine are also commemorated by the OTC. Chaucer was the author who associated Valentine with romantic love; he made that up too. Perhaps 'losing your head' over someone arose thus? Whatever. Considering the OTC don't even know exactly which one they are talking about and Chaucer made up the romantic bilge too, I wonder whether we should submit to the commercial exploitation? YMMV :-( BTW : St. Valentine is also the OTC's patron saint of epilepsy. In contrast, in the Islamic world, this job was assigned to multiple Sheiks ;-)
Comments (2) : Thursday, February 13, 2014
Gay Ski-Jumping announced ;-)![]() After the success of the Ladies' Olympic Ski-jumping, introduced for the first time at Sotchi this year and won by the pretty young German girl Carina Vogt(22), President Putin (aka Vlad the Paler) has announced that he will introduce ski-jumping for gays too, in these Sotchi Olympics :-) He personally will stand somewhere uphill of the landing zone, carrying a 12-gauge shotgun, both barrels loaded with Brenneke slugs. Contestants are not to start their run down the jump-slope until the President personally calls the start command, i.e. "Pull!" It is recommended that non-lesbian female spectators and straight males stand on the same side of the slope as the President, i.e. far right. Comments (3) : Wednesday, February 12, 2014
35 years together :-)35 years together? Yesterday that's over half our lives that SWMBO and I have shared our lives (and with a series of bulldogs too :-). So here's a pair of photos of SWMBO; then and now ![]() ![]() Back in '79 we had intended waiting until Valentine's day (how romantic) but couldn't ;-) Now we've got a silver wedding anniversary coming up next year. Thankyou, m'dear :-) Comments (4) : ![]() Monday, February 10, 2014
R U bugging me? Here's looking back at you;-)![]() Last wednesday I blogged about books on the history of spying. On thursday 23th I blogged about a big cyberhack here in Germany. What a paranoid blog ;-) So today I want to talk about trackers (=web bugs) and see which of you use them (perhaps inadvertently). A web bug is an object that is embedded in a web page or email and is usually invisible to the user but allows checking that a user has viewed the page or email. Most blog owners use them to collect webstats, which I regard as a valid use. However, if you have ads on your website, they may be tracking me, my Amazon purchases, my surfing habits (for example, watching this Bill Gates' pawn video ;-), diverse cookies etc. These I block, using Ghostery; I also block most frequent adverts for the same reason. Avg. 8000 ads blocked per week :-) So here is a count of the number of web-bugs on the sites on my blogroll according to Ghostery and AdBlockPlus. The number should be ONE (so you can collect your webstats, a legitimate interest). If your number is higher, you might like to investigate why this is the case :-)
Ain Bulldog Blog SWMBO's blog. 1 tracker (=SiteMeter), 0 ads, as it should be. And the privacy winner is - Renke - (D), with a zero zero result :-)
For comparison, here are some commercial sites. Mirror, mirror, on the wall . . .
If you have a different opinion of valid use, mail me a comment. Comments(7) : Saturday, February 8, 2014
'Merkin Diplomacy :-(![]() Victoria Nuland, Obama's special advisor on Europe, was caught saying "Fuck the EU!" in a telephone call to the US ambassador in Kiev (Geoffrey Pyatt). Why either of them were naive enough to believe their telephone calls were NOT being taped by the FSB (aka KGB) is beyond my ken. Hell, even the NSA and GCHQ were probably listening too ;-) The conversation as taped has been put up on YouTube; listen at the 00:39-00:41 mark. Astounding clarity for a wire tap :-) I have sent Ms. Nuland an email with a book tip : Dale Carnegie's "How To Win Friends And Influence People". I recommended she download the Kindle edition so that the FSB can track her doing so and ex-KGB man Vladimir Putin can then publish a sarcastic remark ;-) You can imagine how pissed off politicians in Yurp are at this faux pas :-( Friday, February 7, 2014
All tied up by String Theory :-(![]() Over the past 8 or 9 years I have struggled (twice) to read Sir Roger Penrose's book "The Road to Reality" in an attempt to keep my understanding of modern physics up to date. I generally bog down at String Theory, of which it has been claimed "String Theory is Not even wrong!" So maybe it's not just me. Or maybe I need to read and understand a simpler text first, preferably without the math, and then follow the math later, having got the gist already.
Subsequently, life and the necessity of earning a living by doing mundane things with the stuff I'd learned, took over. This had NO bearing at all on the frontiers of quantum physics; I guess this is true for most of my readers. The next time I looked at this field of research was about the mid 1990s and I became an aficionado of Loop Quantum Gravity, even if I couldn't really follow all the maths. Here space is a spin foam of 10 -35 meter quantised 'bubbles'. ![]() In the late 2000s I encountered Penrose's book - see above - and String Theory. String Theory also uses the idea of extra compact dimensions as mentioned above. Except that it has 11 of them. Or 26, depending on which particular(sic!) flavour(sic!) of strings is in favour this weak (sic!) ;-) Not that I understood it. However, despite regressing into being an aged dummy, this year I am going to make a determined effort to understand String Theory, for which purpose I have acquired this book :-) ![]() It seems to contain NO formulae, but several simple illustrations and even some cartoons! I'll let you know if I can recommend it at a later date [because my brain has too many tabs open right now :-( ]. ISBN 978-0-470-46724-4; about US$20. P.S : When you are a Bear of Very Little Brane, and you Think of Strings, you find sometimes that a String which seemed very Stringish inside you is quite different when it gets out into the open and has other people looking at it. (Misquoting A. A. Milne, in Winnie-the-Pooh, who wrote Things, not Strings;) Thursday, February 6, 2014
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The secret life of Christ Not just a telescope Inventing Face-Book ;-) Knight Rider resurfaces Stupid IQ Test Safer Internet Day report Jötunvillur code broken Biking to China Valentine's Day Gay Ski-Jumping ;-) 35 years together R U bugging me? Merkin Diplomacy :-( String Theory Jobs for the girls 2 bugs in Opera Google Opinions ;-) Punxsutawney Phil Supermoon N or S... History of Spying Pre-seared steaks? Blogroll Ain Bulldog Blog Badtux... Balloon Juice Cop Car Curmudgeonly... Demeur Earth-Bound Misfit Echidne of the snakes Fail Blog Finding life hard? Hattie (Hawaii) Making Light Mockpaperscissors Mostly Cajun Murr Brewster Not Always Right Observing Hermann Pergelator Rants from t'Rookery Scary Duck 6 decades & counting Spork in the drawer Squatlo Rant The Alternate Brain The Magistrate's Blog Xtreme English Yellowdog Grannie Archive 2014: Jan Archive 2013: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Archive 2012: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Archive 2011: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Archive 2010: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Archive 2009: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Link Disclaimer ENGLISH : I am not responsible for the contents or form of any external page to which this website links. I specifically do not adopt their content, nor do I make it mine. DEUTSCH : Für alle Seiten, die auf dieser Website verlinkt sind, möchte ich betonen, dass ich keinerlei Einfluss auf deren Gestaltung und Inhalte habe. Deshalb distanziere ich mich ausdrücklich von allen Inhalten aller gelinkten Seiten und mache mir ihren Inhalt nicht zu eigen. This Blog's Status is ![]() FWIW, 153 is a triangular number, meaning that you can arrange 153 items into an equilateral triangle (with 17 items on a side). It is also one of the six known truncated triangular numbers, because 1 and 15 are triangular numbers as well. It is a hexagonal number, meaning that you can distribute 153 points evenly at the corners and along the sides of a hexagon. It is the smallest 3-narcissistic number. This means it’s the sum of the cubes of its digits. It is the sum of the first five positive factorials. Yup, this is a 153-type blog. QED ;-) Books I have written
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