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Eunoia
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--> Most recent Blog ![]() Comments Policy Impressum Maths trivia Search this site Sitemap YouTube Videos 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'.
Geocaching Stats
Some of my bikes
My Crypto Pages ![]()
My Maths Pages ![]()
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Friday, August 31, 2012
Quantum Daleks ;-)
![]() Came up with this design for a geeky Dr.Who T-shirt for my next SF-convention visit :-) Eat your heart out, Dr2. Sheldon Cooper! Those are Feynman Diagrams for quantum transitions in the middle. Needless to say (unless you are a non-physicist) those interactions are two (electron+positron->gamma rays) annihilations. Annihilate! Annihilate! ;-)
You may copy my design for non-commercial purposes but please leave my copyright mark on the diagram. Prospective commercial users must email me for a licence to use. Comments (1): Thursday, August 30, 2012
Quality Time Survey ;-)
Yesterday BILD newspaper published a survey by the Institute for Questions about the Future (Institut für Zukunftsfragen) which asked Germans about their top 10 wishes for their spare time (aka more quality-time). Multiple answers were allowed. Here are the top 4 of the results.
Wednesday, August 29, 2012
Zipf distributionOn monday I blogged about the frequency of use of the various blades in my Swiss Army Knife. As I would have a priori expected, it is (almost) a Zipf distribution. That means that the individual blade-usage probabilities are the reciprocal of their ranking. Thus rank 2 has ½ the probability of rank 1 and rank 3 has ⅓ the probability of rank 1 etc. etc. Drawn on log-log graph paper, this would be straight line (albeit only defined for integer values) sloping slightly down. George Kingsley Zipf (1902-1950) was an american linguist who noticed this distribution of words in large written text corpora. In the Brown corpus (about 1 million words), the most frequent words are #1 'the' (7%), #2 'of' (3.5%), #3 'and' (2.3%). Only 135 vocabulary items are needed to account for half the (american) Brown Corpus. That might explain the limited vocabulary of the hoi polloi ;-) Spoken language has a different vocabulary from written texts, unfortunately, in the UK 'fuck' seems now to be #1 :-( "Zipf himself proposed that neither speakers nor hearers using a given language want to work any harder than necessary to reach understanding, and the process that results in approximately equal distribution of effort leads to the observed Zipf distribution" (Quoting Wikipedia). This principle of effort-minimisation also explains why the most frequently used words are short ("I") and rarer ones are longer ("floccinaucinihilpilification" ;-) See also Hufmann coding. "Hold the newsreader's nose squarely, waiter, or friendly milk will countermand my trousers" is the unlikely non-Zipfian sentence 1st said by Stephen Fry ;-) Comments (1) : Monday, August 27, 2012
Swiss Army Knife Usage StatsI happen to own a Swiss Army Knife. It is just a simple (9-blade) knife, not a really fancy one just for showing off. Awhile back, my biker friend Schorsch was teasing me "Bet you don't what all the blades are for, and even if you do, you'd never have occasion to use them all!" Challenge accepted! So we agreed that I would keep track of the next 100 usages (without forcing unusual-use situations) and report on the blade usage stats. Here it is Schorsch! ![]() Knife : Used 42 times. A usage is defined as an opening of a blade, regardless of how many times used in that usage session. Seriously sharp! ![]() Bottle opener : Used 17 times. OK, OK, I'm a beerdrinker ;-) The (unfortunately rounded) end is purportedly a small screwdriver head. Never used. The quadrant between the screwdriver head and the bottle-opener is sharpened, presumably to cut (electrical) wires. Never used. ![]() Screwdriver : Used 12 times. This is a screwdriver for woodscrews mainly and I do geocaching as a hobby which is where I used it. I wouldn't use it on metal screws like on my motorcycle, I don't think it could take the torque. I suppose you could use this blade as a bottle-opener too; I never did. I don't know what the U-shaped cut-out at the top is for; I never used it. ![]() Tweezers : At first I expected this to be a toothpick until I pulled it out of the handle. Turned out to be tweezers. Used 10 times, because I own two bulldogs and sometimes have to remove tics from their fur after going 'walkies' in the woods. Noone else would use them this much, I suspect. ![]() Scissors : Used 7 times. (Just) OK for cutting paper and/or fingernails if you don't have any serious scissors at hand. Too small for cardboard. Sharp though :-) ![]() Corkscrew : Used only 6 times, I don't drink much wine. The grey rectangle is for (un)locking the major sharp blade and/or saw: a safety feature I like :-) ![]() Saw : Used 4 times. And then only when geocaching. The pitch of the saw is far too rough. OK for twigs, ropes, and small branches only. ![]() Phillips screwdriver : Used once. Useless, ill-fitting cross-headed screwdriver. Ruined the screwhead :-( The crescent is for getting this blade out of the knife. ![]() Spike? : Used once, to open a can which had lost its pull-ring. OK, Schorsch, I don't know what it is really for. Just a spike with a hole in it. I suppose I could thread a piece of string of known length through the hole and use it as a pendulum for timing purposes. But WTF is it? Knives used to have knobbly things for picking boy scouts out of horses' hooves. Maybe this is a descendent thereof? Anybody know what this blade is for? BTW, the maker is Victorinox. Maybe they can use this statistical feedback??? Comments (10) : Sunday, August 26, 2012
Tiger kills zookeeper :-(Yesterday in the zoo at Cologne (Germany), a zookeeper lady (43) was working in the tigers' area, incautiously without having first locked the tigers in their cages. One of the tigers attacked her, biting her in the throat. She subsequently died. The head zookeeper clambered onto the roof and shot the killer tiger so that rescue crews could attempt to save the injured lady, but to no avail :-( Comments (2) : Friday, August 24, 2012
R.I.P Bill Thurston
Another good man gone :-( Three years younger than I, Thurston was a pioneer mathematician in low-dimensional topology. In the 80s he was awarded the Fields prize (think : Nobel prize for Maths) for his work on hyperbolic 3-manifolds. Other notable awards were the Oswald Veblen Prize in Geometry (1976), the National Academy of Sciences (1983), and the Leroy P. Steele Prize (2012). He was most recently a professor of mathematics at Cornell and had been Director of the Mathematical Sciences Research Institute in Berkeley. His Erdös number was just 2 :-) I can't say I was ever able to follow his Monster theorem, which took 20 years until proven (then by G.Perelmann in 2003). Much was over my head. On tuesday he left us for that great 3-manifold in the sky. Requiescat in pace. Comments (1) : Wednesday, August 22, 2012
GOP-knocking coincidences?
![]() R egular readers of this blog will know that I am a real fan of anagrams, especially those which reveal hidden secrets. So it is noteworthy - if no great surprise - that "Mitt Romney and Paul Ryan" really does anagram into "Ayn Rand : my ultimate porn" ;-)
Comments (3) : Monday, August 20, 2012
Classic motorcycle races in Schotten
Just another photoblog today, fresh from the classic motorcycle races in Schotten yesterday. Just five of us set off from my house at 8 a.m. on the 360km (220 mile?) round trip this year, to spectate at the annual classic motorcycle races in Schotten in the state of Hessen. At 8 a.m. it was still cool enough for a decent ride but at the track it was a blistering 32°C in what little shade there was. Perhaps for this reason there were so few spectators, 15,000 instead of the usual 25-30,000.
Comments (2) : Saturday, August 18, 2012
Model aircraft meet in Haaren today :-)
Just a photoblog today, fresh from the model aircraft fly-in at Haaren today. Excuse me if I can't name all of the types...
Polish Wilga.
Comments (2) Wednesday, August 15, 2012
Nessie ahoy?
Just last week, there was another alledged sighting of Nessie,
the Loch Ness Monster, as unexploited by the Drumnadrochit & Castle Urquart Marketing ![]() George Edwards, who for 26 years has been 'hunting' the Loch Ness monster, took the photo with a digital camera after observing Nessie for over 20 minutes. Digicam. 20 minutes. One photo. Yeah, right! Coincidentally, Edwards also owns the Loch Ness Cruise business where he takes gullible tourists out on boat rides in search of the monster firsthand. Honi soit qui mal y pense! Now - for those of you who can read German - here is a poem about Nessie which I wrote way back in the winter of our discontent (1989/1990). The rhyme scheme is trochaic tetrameters as in Longfellow's Hiawatha. Enjoy!
Wenn du fragtest,
wie die Zeilen, Jock MacDonald hieß der Schotte, Tief ist auch das
Loch Ness Wasser, Whiskyfahne stoppt
Gedanken; Mit der Kamera,
Japaner Lebt die Nessie,
unser Monster Nun steigt das
Monster aus dem Wasser, Jock erschreckt
sich ganz gewaltig, Mondhell ist die
Nacht für Nessie. Ganz betrunken ist
der Schotte Holt er dann aus seiner Tasche, Und die Nessie sie
hat Hunger. Zigarette zwischen
Lippen; Zündet Jock die
Zigarette, Flammenwerfend wie
ein Drache, Von Tourismus kann
man leben, Ohne Geld kann man
nicht leben Comments (1) Monday, August 13, 2012
"Many ornery" supporters?
Over the weekend, we heard that in the USA, Romney has picked Ryan as his GOP running-mate (veep candidate). As ever, my mind immediately started searching for anagrams of Romney/Ryan, ridiculing the GOP candidates. There are no really good ones, but here is a selection :-
If Romney had chosen Palin we could have had the much better anagrams "My Nonpareil" (sic!), where his "Nominal prey" was "Mainly Prone" while they did "Romp inanely" ;-) Of course the playboy Dems have the "Babe domain", sharing "A badman bio", who keep abreast with 007 :"Abeam Bond I", support lesbian voters "Maid on Babe", and have sex with the First Lady "Do main babe". I suppose everyone already knows that "Disown playwright", and "withdrawing ploys" result from "playing with words"? Am I the only anagram fan here? I'll get my coat :-( Comments (1) : Friday, August 10, 2012
Why stuff has colours
Kids ask the damndest questions, hard to answer adequately, because you don't know how much they already know. This one from a 15-year old "Stu, why does some stuff have colours and other stuff is just black or white?". I wonder how much of this reply she understood :- Well, you know that stuff is made up of atoms. And Nils Bohr's model of the atom has electrons in quantised shells orbiting the heavy nucleus, see my first rough sketch shown below. [No, nuclei are not coloured and electrons are not starshaped, this is just a cartoon]. I've drawn 3 electrons in the second shell, because only 2 fit in the inner shell. ![]()
And you know that white light is made up of all the colours of the rainbow, as Isaac Newton demonstrated using a prism to split white light into its component parts. So when the multicoloured (white) light impinges on matter (aka stuff) the electrons move out to outer orbits, absorbing the light. No light gets reflected. So the stuff appears black. See second sketch, below. After the light is turned off they drop back within a very short time to their ground state. [Yes, this is a simplification, but bear with me]. ![]() Now if the stuff (matter) has its outer electron shells further out, the light quanta impinging may not be energetic enough to move the electrons into higher orbits. So the light is not absorbed at all and the stuff appears white (see third sketch below) :- ![]() Finally, you need to know that the shorter the light wavelength (bluer), the more energy in its quanta. In this fourth sketch (below) the red light and green light get absorbed because their quanta need less energy, and the blue light is not absorbed because there is not sufficient energy to let the electron reach the outer shell. So that particular material appears blue. ![]() Mixed (non-primary) colours appear depending on the energy levels of the light quanta and the energy levels of the electron shells. Was that understandable? Would a 15-year old been able to follow that? Comments (1) : Thursday, August 9, 2012
On the Beach
Methinks the Japanese have poor memories. On this very day in 1945 the USA dropped a second atomic bomb onto Japan, this time at Nagasaki. Just last year, Japan suffered a third nuclear catastrophe, multiple core meltdowns at Fukushima. But the Japanese appear to have forgotten this already, because they are seen bathing On the Beach at Fukishima ! ![]() P.J. O'Rourke has called Shute's book 'On the Beach' the "best novel ever written...". Go read it, if you have not done so! Or see the 1959 movie. Comments (2) : Monday, August 6, 2012
Mars Curiosity Distractions
Today is August the 6th - GMT, but in Hiroshima it is too - and for some reason the USA chose this date to drop a one ton nuclear powered device (=a rover robot) onto Mars. The rover (that'd be a good name for a dog) is intended to search for evidence of past life (as we know it, Jim) on Mars. In order not to falsify the search-for-life results, NASA had to get the lander and rover absolutely sterile. But I bet the SW still has a bug ;-) Imagine it found a small box, inscribed "Property of Erwin Schrödinger" and opened it. The quantum wave function collapsed 14 minutes ago (pace Albert) and - wait for the punchline - Curiosity killed the cat ;-) Scott Maxwell is the nominated driver of Mars Curiosity. Back on Earth he drives a red Prius. Imagine the sheer oneupmanship of having a bumper sticker "My other car is on Mars" ! Howard Wollowitz may just steal this idea to impress the ladies ;-) If excessive media reporting about Mars Curiosity (i.e. NASA trying to provide some self-justification) gets your goat, just buy yourself a small telescope. An 8 inch reflector on a Dobsonian mount (together $500) is small enough to fit in your car, enabling you to drive to dark-sky areas. You can then try the cheaper alternative yourselves, Milky Way Curiosity ;-) ![]() Just watched the successful landing. Congratulations, NASA! Comments (3) : Friday, August 3, 2012
Bradley Wiggins Fail :-(
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After winning the Tour de France for the UK and then Olympic Gold for Team-GB, cyclist Bradley Wiggins then displayed his ignorance by posing with his country's flag UPSIDE BLOODY DOWN! :-( Face palm! :-( Comments (6) : ![]() Pierre (F) replies "That's not quite right. Some of the Channel Islands (Chausey) are French.". True, and they only name the 2 Bailiwicks there. And the setnames 'British Islands' and 'UK' should be in red too. Pergelator (USA) objected "RE: Union Jack. I'm not sure, but it looks to me like the only indication that the flag is upside down is the band of webbing along the left hand edge, where it would presumably be attached to the flag pole. As there is no pole in this situation, can you you really claim it is upside down? Is there any significance to the placement of the white diagonal bars? Or was it just arbitrary?" It is called the Union Flag. It is only the Union Jack when flown from the jackstaff of one of Her Majesty's ships. Officially, if no pole is present, it is assumed to be on the left. But you are right, the webbing shows where the pole is intended to be. Therefore I CAN claim it is upside down. The counterchange of saltires is a fimbration in accordance with heraldry's rule of tincture where colours (like red and blue) must be separated from each other by metals (like white, i.e. argent or silver). Brian (UK) surprised me OT with "Arrogantly British. You are the anagram fan; have you noticed that 'David Cameron' gives 'Random Advice' ;-)" August 6th anagram : 'Enola Gay - Little Boy' is what you get from 'Negotiable Loyalty' ;-) Morag (Scotland) adds "He's not the only one to get it wrong; Mo Farah too :-(" He's a Somalian refugee, naturalised Brit, so maybe he was never taught it? I think it is infectious, after all Andy Murray did it too. I think TeamGB should provide a little lesson to their athletes, not just the zipwire fail guy. Update 8/8/12 : Horseriders Charlotte Dujardin, Carl Hester und Laura Bechtolsheimer got it upside down too :-( Thursday, August 2, 2012
My Donkey Kong namesake :-(
B rian (UK) tells me that someone (at Nintendo?) is taking the piss out of me and has named a game character after me :-( Apparently, in the Nintendo game "Donkey Kong Country Returns", Stu Savory is the boss of the Ruins area, appearing in the level Ruined Roost. Stu Savory is just an egg before he is hypnotized by Gong Tiki. After being defeated by Donkey Kong and/or Diddy Kong, Stu's "armor" will further crack, causing him to fall down, and then fall apart exposing his torso, resulting in Donkey Kong and Diddy Kong comically placing their hands on their eyes to avoid looking at his body, yet peeking anyways. Stu is a giant red bird with blue and yellow-tipped feathers and blue talons. He has a big yellow beak, blue eyes, and purple eyelids. Stu's most basic attack is throwing three bombs. To defeat Stu, Donkey Kong and Diddy Kong will have to throw bombs at Stu. Once Stu is hit with bombs six times, he will be knocked unconscious and Donkey Kong can defeat the Tiki that possessed him. The bird is only referred to as Stu, but in the sound track the song title is 'Stu Savory'. ![]()
What did I do to deserve this nonsense? Is this to be my legacy? Comments (1) : Wednesday, August 1, 2012
Twin Bonanza here :-)
Our local airport - at which I was flying instructor for over ¼ century - is home to the Quax Club for owners of historic aircraft. Until recently all of these were single-engined. But now they have acquired N3670B, a 1954 Beechcraft B50 Twin Bonanza, from Oregon, USA. The mining company which owned N3670B had left it unused for the last 8 years, that's not good for an old plane :-( ![]() Three Quax members, pilot Dirk Sadlowski and two other pilot/mechanics fetched the 58 year old 'T-Bone' themselves. 12,476 kilometers (7752 miles) and 50 flying hours for the trip. Radio relaying via airliners because their own old radios were too weak for transatlantic calls. Oregon(USA) via Boston(USA), Gander (Newfoundland), Goose Bay (Canada), Narsarsuaq (Greenland), Reykjavik (Iceland), Faroes, Wick in Scotland (Hi Jimmy!), to EDLP - Paderborn (Germany). 160 knots at 12,000 feet (above that they would have needed oxygen). No heating and Greenland is 10,000 feet high, so it was -15°C in the cabin. They had to wear gloves, thick coats and fur hats. The left magneto of the right motor quit on the flight-leg to Wick, so they had to repair it there with some scottish mechanics' help. Soon all 276 hp were working again and there were no other problems. What an adventure! Well flown lads :-) ![]()
What makes transatlantic hopping in an old small plane adventurous? Well, on my plane at least (1969 PA28-140), each of these legs were beyond the point of no return, so you need stable good weather at your leg's destination. Waiting for it lengthens your trip. Narsarsuaq airfield (Greenland) is at the end of a blind fjord, so be sure to choose the right fjord to enter. However, they do have a rescue boat :-) Small planes like mine have no de-icing gear. Navigate by dead-reckoning, you are out of range of navigation beacons. Back in the early 1980's there was no GPS. You don't know the real wind vectors either, just the forecast and what you tracked while still in range of any land-based beacons. 25° magnetic variation and more, adjust your compass regularly ;-) I still have a Gander dollar that you got when landing there. It's worth more as a souvenir than actually using it :-) Comments (7) : |
Recent Writings
Quantum Daleks ;-) Quality Time Survey Zipf Distribution Swiss Army Knife Tiger kills keeper RIP Bill Thurston GOP-knocking ;-) Schotten Classics Model Aircraft photos Nessie ahoy? Romney/Ryan anagrams Why stuff has colours On the Beach Mars Curiosity Bradley Wiggins Fail Donkey Kong namesake Twin Bonanza here Underwater Sudoku Anagram Fun ;-) Scary skaters :-( Entering Mordor :-; Teasing the teacher Entertainment, Weakly 50 Shades of Grey Archive 2012: Jan Feb Mar Apr May Jun Jul 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 Archives 2002-2008 offline to save server file-space. Blogroll Ain Bulldog Blog Badtux... Balloon Juice Cheese Aisle Cop Car Cosmic Variance Curmudgeonly... Decrepit Old Fool Demeur Dependable Renegade Dr Grumpy Earth-Bound Misfit Fail Blog Feral Genius Finding life hard? Flight Level 390 Four Dinners Greg Laden HaggisChorizo Inspector Gadget Making Light Mostly Cajun Not Always Right Observing Hermann Occio Lungo One Good Move Pergelator Pharyngula Rants from t'Rookery Scary Duck Squatlo Rant Stupid Evil Bastard The Magistrate's Blog Xtreme English Yellowdog Grannie 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 mich ihrem Inhalt nicht zu eigen. This Blog's Status is
Blog Dewey Decimal Classification : 153FWIW, 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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