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Tuesday, October 28, 2008
Tuesday, October 21, 2008
Sunday, October 19, 2008
Saturday, October 18, 2008
Sunday, October 12, 2008
Friday, October 10, 2008
Thursday, October 9, 2008
Tuesday, October 7, 2008
Cars
World's 10 most expensive cars
$430,355 in US Rs 5.36 crore in India The Maybach 57 S has a 12-cylinder engine, goes from 0 to 100 in 5.2 seconds and is designed to be a sportier alternative to the other models. It has more power than the 57 or 62 models, 604 hp versus their 543 hp. As in the other models - Maybach 57 and 62 - the maximum speed is electronically limited. Top Speed: 250 kmph
$440,000 in US Rs 5.47 crore in India Despite claims that the Carrera GT supercar had gone out of production, the car is very much available in the US and is in the list of one of the world's most expensive cars. The car has 605 hp @ 8000 rpm, can go from 0 to100 in 3.9 seconds and has a ten cylinder engine - a type of rarely seen outside of racing. Top speed: 330 kmph
Price: $448,153 in Europe Rs 5.59 crore in India Maybach's 62 ultra-luxury sedan is made by Mercedes-Benz and has proved that even a car this expensive to build can turn a profit. The Maybach 62 accelerates from 0 to 100 in just 5.4 seconds. The top speed is electronically limited but can be reached rapidly and with virtually no apparent effort. Top speed: 250 kmph
Price: $452,750 in US Rs 5.64 crore in India The SLR McLaren is as comfortable and sophisticated as a street-legal racecar can be. It is a collaboration between Mercedes and legendary British racecar builder McLaren. With the help of a 617 hp and 5.4-liter supercharged V8 engine, the SLR sprints from 0 to 100 in just 3.6 seconds. Top speed: 343kmph
Price: �458,000 in Europe Rs 6.94 crore in India The Koenigsegg is a Swedish car that sports a supercharged V8 engine. It can go from 0 to 100 in 3.2 seconds with its hp of 806 @ 7000 rpm. The Koenigsegg CCR currently holds the Guinness World Record for the most powerful car in series production. Top speed: 395 kmph
Price: $ 637,723 in US Rs 7.95 crore in India Started by former racing driver Steve Saleen, the Saleen car company produces some of the fastest cars in the world. The S7 is designed to compete with the fastest and most luxurious grand touring cars. It can go from 0 to 100 in six seconds has 750 bhp @ 6300 rpm and sports an all-aluminum V8, 2-valve. Top speed: 320 kmph
Price: $645,084 (Global) Rs 8.03 crore in India Leblanc is ramping up production of its new Mirabeau supercar. The company hopes to make the vehicle street legal for the US by early 2007. With a six-speed sequential transmission, more than 700 bhp @ 7600 rpm, the Leblanc Mirabeau's interior is optimized for maximum acceleration. Top speed: 370 kmph
Price: $654,500 in US Rs 8.17 crore in India The most expensive American car is also the fastest. Automaker SSC estimates this vehicle is capable of going from 0-60 in just 2.9 seconds and the base model has a supercharged 6.2-litre V8 engine rated 787 bhp @ 6600 rpm. The SSC Ultimate Aero requires 104 octane gasoline. Top speed: 400 kmph
Price $667,321 in Europe and US Rs 8.31 crore in India Pagani is an Italian boutique automaker that builds radical-looking racecars. This version of its Zonda flagship has 555 bhp @ 5900 rpm, can go from 0 to 60 in 3.6 seconds and is propelled by mid-mounted V-12 DOHC engines. Top speed: 344 kmph
Price: �1,000,000 in Europe Rs 15.17 crore in India Volkswagen's production delays are finally over and the Bugatti Veyron 16.4 is ready to hit the road. The car sports a W16 engine fed by four turbochargers, can go from 0 to 100 mph in six seconds and uses unique cross-drilled and turbine vented carbon rotors that draw in cooling air for braking. Top speed: 407 kmph
Monday, October 6, 2008
Origins of the Numerals
Origins of the Numerals
Today's numbers, also called Hindu-Arabic numbers, are a combination of just 10 symbols or digits: 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0. These digits were introduced in Europe within the XII century by Leonardo Pisano (aka Fibonacci), an Italian mathematician. L. Pisano was educated in North Africa, where he learned and later carried to Italy the now popular Hindu-Arabic numerals.
Hindu numeral system is a pure place-value system, that is why you need a zero. Only the Hindus, within the context of Ind-European civilizations, have consistently used a zero. The Arabs, however, played an essential part in the dissemination of this numeral system.
Numerals, a time travel from India to Europe
The discovery of zero and the place-value system were inventions unique to the Indian civilization. As the Brahmi notation of the first 9 whole numbers...
Before adopting the Hindu-Arabic numeral system, people used the Roman figures instead, which actually are a legacy of the Etruscan period. The Roman numeration is based on a biquinary (5) system.
To write numbers the Romans used an additive system: V + I + I = VII (7) or C + X + X + I (121), and also a substractive system: IX (I before X = 9), XCIV (X before C = 90 and I before V = 4, 90 + 4 = 94). Latin numerals were used for reckoning until late XVI century!
The graphical origin of the Roman numbers
Other original systems of numeration
Other original systems of numeration were being used in the past. The "Notae Elegantissimae" shown below allow to write numbers from 1 to 9999. They are useful as a mnemotechnic aid, e.g. the symbol K may mean 1414 (the first 4 figures of the square root of 2).
Chinese and Japanese contributions
The Ba-Gua (pron. pah-kwah) trigrams and the Genji-Koh patterns, antique Chinese and Japanese symbols, are strangely enough related to mathematics and electronics. If all the entire lines of the trigrams (___) are replaced with the digit 1 and the broken lines (_ _) with the digit 0, each Ba Gua trigram will represent then a binary number from 0 to 7, and each number is laid in front of its complementary (0<>7, 1<>6, 2<>5, etc...).
Write "a", "b", "c", "d" and "e" under the five small red sticks of each Genji-Koh pattern. By doing so, you will have the 52 manners to CONNECT 5 variables in boolean algebraics. The binded sticks form a "conjunction" (AND, .), and the isolated sticks or groups of sticks form a "disjunction" (OR, +). The pattern at the top left represents:
[("a" and "d") or ("b" and "e") or "c"]
Sunday, October 5, 2008
ARSENAL RESULT WEEK 7
Fabregas's header equalised for Arsenal.
Arsenal's bid to go top of the Premier League foundered at Sunderland but they were lucky to escape defeat at the Stadium of Light after Cesc Fabregas' 93rd-minute header salvaged a 1-1 draw.
WORST COME TO THE WORST ARSENAL NOT DEFEAT......