Top 10 Largest Meteor Craters in the World: Every day thousand of meteors (asteroids ) commonly known as shooting stars, can be seen blazing across the sky, When it enters Earth’s atmosphere the force of friction heats up cosmic debris, in a result streaks of light are visible to human naked eye. Most of the meteors or shooting stars burn up before they ever reach the surface. But if unfortunately one actually survives the long fall and strikes the earth, that particular meteor is a meteorite. We have made a list of top ten largest meteor craters all over the world for you based on the reported incidents and its tenacity. 10. Chesapeake Bay Crater Number ten on our list of largest meteor craters we have “Chesapeake Bay Crater”. This crater was discovered in Virginia United States, the impact date of the asteroid is estimated to be thirty five million years ago. The crater was first discovered in 1980, the estimated width of the crater is 53 miles that is about 85 kilometers. 9. Popigai Crater Meteor when crashes with the surface of the earth its impact is like of a nuclear bomb with radiation .Next on our list is another huge crater that shocked many ” Popigai Crater “. The crater was found in Siberia, Russia its impact date is estimated to be thirty five and half million years ago. Russians claim that crater site contains trillions of carats of diamonds, This site is amongst the world’s most biggest diamond site and the diamonds extracted from here are called” Impact diamonds “. 8. Chicxulub Crater This is known as the mother of craters. it exists in Yucatán, Mexico, the asteroid’s impact date is estimated to be 65 million years back .There is no concrete date being given by the scientists on its width but it is said to be 106 to 186 miles wide (170-300 kilometers) if these facts are true it is certainly the biggest crater ever existed, many scientists believe that this meteorite is the cause of dinosaur extinction on earth. 7. Kara Crater On seventh we have Kara Crater .It is situated in Nenetsia, Russia. The estimated impact date of this asteroid is 70.3 million years back. This crater is now greatly eroded. The Kara crater is a non-exposed impact structure in Russia, many have claimed that the impact structure basically consists of two adjacent craters: the Kara and the Ust-Kara crater little is known about its real specs up till now. 6. Morokweng Crater This crater was found in North West , South Africa . The asteroid’s impact date is estimated to be 145 million years ago. The crater side has debris of the meteor that created it .This humongous crater is on the sixth place in our list . 5. Manicouagan Crater On fifth place we have the Manicouagan Crater, It is located in Quebec, Canada. The asteroid’s impact date is estimated to be 215 million years ago. Lake Manicouagan is now the impact site of the crater. Even with erosion still it’s considered one of the largest and most-preserved craters on planet with an estimated diameter of 62 miles (100 kilometers). 4. Woodleigh Crater The fourth place goes to the Woodleigh Crater. The crater site is located in Western Australia, Australia, the asteroid impact date is estimated to be 364 million years ago. This crater is not exposed at the surface and has led to many discrepancies and irregularities regarding its actual size. There are many reports on its diameter that vary from 25 to 75 miles (40 to 120 kilometers). 3. Acraman Crater In the countdown on third place we have ” Acraman Crater”. This massive crater is located in South Australia, Australia. The asteroid’s impact date is estimated to be massive 580 million years ago. The crater is Located in what is now Lake Acraman, the crater measures about 56 miles (90 kilometers ) in diameter. 2. Sudbury Basin Second on our list is the crater called Sudbury Basin. It is located in Ontario Canada and is amongst the second oldest crater ever found on earth , the estimated asteroid impact date is about 1.8 billion years ago .It is deemed as the largest impact structure on planet earth .It measures about 81 miles in diameter that is about 130 kilometers. 1. Vredefort Crater On the top of our list we have ” Vredefort Crater “. It is the oldest crater on planet earth that ever got discovered .The crater site is located in Free State, South Africa , the impact date of the asteroid is estimated to be 2 billion years ago. This crater is also known as the Vredefort Dome, the Vredefort crater has an estimated diameter of 59miles (90 kilometers) making it the world’s largest known impact structure on planet earth. Vredefort Crater was declared a UNESCO World Heritage Site in 2005.

Top 10 9mm pistols of 2013: Hand guns are mostly used for self-protection as well as by security agencies for close range combat situations. The 9×19mm Parabellum (abbreviated 9mm, 9mmP, 9×19mm or 9×19) cartridge was designed by Georg Luger and introduced in 1902 by the German weapons manufacturer Deutsche Waffen- und Munitionsfabriken . So 9mm is currently the most used and reliable hand gun, it has been used by Police of many countries also is considered the best for self-protection at home. We have compiled a top ten list of the best 9mm pistols in 2013. This list is based on the reviews of the user and quality of the products. 10. Walther PPQ On the tenth place we have a German creation “Walther PPQ”. This is a semi automatic pistol specially designed for law enforcement agencies and police, the Walther is pure combination of power and reliability. It is the replacement of its predecessor Walther P99 , this new engineering marvel is short coil semi automatic pistol .The pistol incorporates three different safeties (trigger safety, firing pin safety and disconnector safety) .The price tag on this gem is around 510-540$ dollars. 9. Glock 17 Gen 4 Glock pistol is an examplary creation of Austrian engineering .The Glock is the “safe action” semi automatic fire arm designed for law enforcement agencies and security forces .It was designed and produced by an inexperience Gatson Glock . Well it is a amongst most famous hand guns now a days and many of its variants have been introduced in the market and recent of it is Glock 17 Gen4 (generation four) is a compact and reliably single barrel pistol today, per unit cost is around 520-550$ dollars. 8. Springfield XD The eight place goes to ” Springfield XD”. The HS2000 or XD (X-treme Duty) is a series of semi-automatic pistol that are based on polymer-framed and striker-fired. XD is Manufactured in the city of Karlovac, Croatia ,which is licensed and sold in the United States by Springfield Armory, Inc.It is a single barrel light weight pistol and quite popular in weapon junkies . The per unit cost of XD is around 600-630 $ dollars. 7. Taurus PT92 Taurus PT92 is on seventh place in our list of top ten 9mm pistol .Its origin is Brazil and is double action/ single action single barrel 9mm caliber pistol. Taurus is very reliable pistol also comes in stainless steel model .It is awesome looking and is designed for personal security and law enforcement agencies. Its cost is around 430-460 $ dollars. 6. Beretta 92FS (M9) It is a marvel of Italian engineering comes up with a manly pistol ” Beretta 92FS (M9)” is an eye magnet. This 9mm single action semi automatic pistol was designed and produced by Italy in 1972 and comes in many variants .The per unit cost of it is around 570-600$ dollars . 5. CZ SP-01 Phantom Its first variant was introduced in 1975 and later the technology was evolved and integrated , the latest product is CZ SP-01 Phantom .It s from Czech Republic origin and is a single action ,single barrel semi automatic pistol with high performance and reliability used by many around the world. The cost of each phantom is around 530-560 dollars. 4. Baby Eagle II BE9915R The list is reaching its climax and as on the fourth place we have the ever reliable and unmatchable engineering of the US , Baby Eagle II is an excellent hand gun with amazing fire power . Baby is double/single action single barrel pistol that comes in different calibers ( 9mm , 40. S&W , 45 ACP ).The cost of single unit is around 510-540$ dollars. 3. Kahr P9 On the third place we have another American master piece ” Kahr P9 ” . It was designed by Justin Moon and produced by an American company Kahr Arms .It is only double-action semi automatic comes in various calibers .Its target market is civilians who likes to carry fire arms or need it for self protection. It costs around 500-540$ dollars . 2. Tanfoglio T95/ EAA Witness Elite Match On the second palce we have yet another sensation for Italian weapon lovers . Tanfogilo is double/single action ,semi automatic 9mm caliber pistol that is famous among many forces in the world . It was basically designed for the combat forces but is also used by many civilians. It is a high performance pistol, per unit cost of each is around 53-560$ dollars. 1. CZ 75 SP-01 It is one of the most high performance weapons at the moment , users say more than 10,000 rounds fired and still its good as new that shows the potential of the weapon .It is the creation of Czech Republic , its a double/single action semi automatic pistol used by the law enforcement agencies and is a primary weapon of NY( New York ) police . It costs around 590-620$ dollars each and thus makes its 1st place in our top ten 9mm pistols list .

Top 7 Fighter Jets in the World: In twenty first century the art of war is well evolved then previous centuries , the Air force has become the backbone of any country’s defense line and is integral part of any countries security .It’s been said that if you have air dominance no one can dare to strike at you and gives you an overall strategic advantage .In previous two decades there has been significant and ground breaking advancements in flying sciences as well as in fighter jets , now jets have more advance radars , communication , electronic warfare (EW) , better thrust , BVR (beyond visual range) missiles and much more . This evolution in fighter jets is an ongoing process and scientists are now a days working on jets that are soundless and not just stealthy but invisible. We have compiled a list of top ten fighter jets serving the armies around the globe. 7. F/A-18 Super Hornet It is the pride of the most advanced air force in the world (USAF). It is the greatest of all the fourth and 4.5 generation super jets of the world. The Boeing F/A-18E/F Super Hornet is basically a twin-engine aircraft carrier-based multirole fighter aircraft that numerous has other variants as well. It has advance weapon systems , it operates with an internal 20 mm gun and is fully capable of carrying air-to-air missiles and air-to-surface weapons also , operates in all weather conditions both at day and night. The jet has high angle of attack capability and can be refueled in midair. Per unit of it costs $66.9 million. 6. JAS 39 Gripen NG On sixth place we have a Swedish creation” The Saab JAS 39 Gripen “. Gripen is basically a lightweight single-engine multirole fighter aircraft with all-weather combat capability both at day and night. It is primarily used by the Swedish Air Force and incorporates fly by wire capability for stability and is a delta wind jet. Swedish government have been successful to promote their aircraft and to get export orders from Central Europe, South African and Southeast Asia, per unit cost of the aircraft is between $40 million to $60 million. 5. Rafale On fifth place we have the revolution of French avionics and probably one of the most attractive fighter of them all “Dassault Rafael” .Rafael is 4++ generation fighter with a twin engines and is equipped with the most advance radars, tracking systems and as well as EW suites. It has been sold to Indian air force only export order so far for this machines , the estimated cost of per unit is 124 million$ depending on the variant. 4. SU-30 MKI: Super Sukhoi SU-30 MKI was not initially designed to carry nuclear or strategic weapons but later in 2012 the developed IAF received 40 upgraded SU-30 MKI’s that were capable of carrying the BrahMos cruise missile. In 2010 Russia had won the large contract of upgrading the Jet aircraft with new radars, electronic warfare systems, computers and the ability to carry BrahMos missile. And they have been successful as it stands as the fourth top Jet fighter on the list. 3. Euro fighter Typhoon We have ” Eurofighter Typhoon” on third place on this list , it is one of the most advance 4.5 generation fighter jet operational at the moment .Eurofighter is assembled, designed and built by a syndicate of four different companies from UK, Italy, Spain and Germany. It’s a multirole fighter and is powered by twin engines and operates with NATO and Saudi Arabia at the moment. It’s designed for complete air superiority and can act as an air aggressor. 2. SU-35 The second on our list is the great SU-35. The twin engine, single seat jet is a super maneuverability multi role fighter. It is the derived version of Su-27 ‘Flanker’ and was known as SU-27 at its early stage. Dozens of these were built from which most of the jets were used by the Russian knight’s aerobatic demonstration team. The Su-35 framework has been protected because of the increased takeoff and landing weight of the jet. For the similar reason, the front bearing has two wheels. The improved radar stealth decreases the reflectance of the Su-35 in the X radio waveband and in the angle range of ±60°. 1. F-22 On the top we have the most advanced and sophisticated aircraft ever known to man so far “Boeing F-22 Raptor”. American company Lockheed Martin is known to produce weapons of the future as it proudly produced F-16 some decades ago, F-22 is nightmare of any army it’s the only air craft with the radar cross section of 0.01 which makes it invisible to the most advanced X-band radars in service today. The air craft’s radar is the longest range radar ever to be used in a fighter jet; it is powered by two engines that produce the maximum thrust so far recorded by an engine. It is completely computerized and has 2 super computers to perform all necessary functions. This super stealth jet deserves to be on the top of our list as its currently the only fighter stealth jet in service of any air force.

Top 10 Best Smart Phones to Buy in 2013: The trend of gadgets and smart phones is extremely high from few years. If you have a smart looking sleek phone in your hand you are thought to be a smart person yourself! C’mon you are holding the world in your hand is that a joke? With such competition in the market and top technologies it is hard to say which one is better than the other. We have note down the top ten best smart phones of 2013 which if you buy will not ever disappoint you in any sense. 10. Nokia Lumia 920 : The first Australian device, Nokia Lumia 920 is in the market with the software of Windows 8 installed in it. Windows 8 comes up to give a little competition to the Apple and android companies. Being larger than iPhone 5 screen the nokia screen is 4.5 inches diagonal, the display resolution is 1280×768. Although it’s smart and sleek but weighs a little more than the other phones. All in all it’s a great phone and holds its position at the number 10. 9. Samsung Galaxy S3 At number 9 is the Samsung Galaxy S3, an Android phone. It has an 8 megapixel camera with absolutely no shutter lag. One can enjoy movies, videos, songs and whatsoever on the HD screen that gives you a wide space of 4.8 inches. Having either 32GB or 16GB of storage however the customers like to buy it. Overall it is an amazing phone to have. 8. Samsung Galaxy Note II Having a screen of 5.5 inches this Samsung device is called a Tablet. It has an 8MP camera, 16, 32 or 64GB of storage and runs on the latest Android system. Standing at number 8 with its extraordinary features it has much to offer when you buy it. 7. Sony Experia T : Operating at the Android system this smart phone is a better attempt of the Sony Company compared to that of the previous one. It has a camera of 13MP, has 16GB storage and a screen of 4.55 inches. Many other interesting recording features and uploading systems are also introduced by this phone. 6. Google Nexus 4 A thrilling brand Google Nexus introduces its new phone with Android latest installed. It has an 8MP camera, 8 or 16GB storage and has 1.5GHz quad-core Krait CPU. A new and different smart phone has made its way through to number 6 on the list means it’s actually good enough. 5. BlackBerry Z10 Blackberry is not new to the people but its Z10 surely has some attractive features such as its look that does not make it look like those old blackberry it looks more smart and sleek. It has a removable storage of 16GB and a camera of 8MP. Other blackberry features will look more attractive in this screen. The smarter blackberry is on number 5. 4. iPhone 5 Who does not know about Apple? iPhone2, 3, 4, 4s and now it is time for iPhone5. It has a 4 inches retina display and an 8MP camera. The phone can be bought with 8, 32 or 64GB storage. Although the brand is one of the strongest in the competition but has been lacking extraordinary stuff in its quality but still making mark all over it is number 4 on the list. 3. Sony Experia Z How about a dustproof and Waterproof handset in your pocket? Yes Sony Experia at its best has the Z model which has these features. It has a 13MP camera, runs on the latest Android software and has a 2GB of RAM and a removable storage up to 64GB. Having 550 hours of standby in one charge the phone stands as number 3 on the list. 2. Samsung Galaxy S4 Here comes another wonder of Samsung, S4 is an amazing phone that came in after S3 and has an HD screen of 5 inches. The phone has some different features like tracking eye contact when making video or pictures so that it can pause automatically, and the screen touch is softer too. S4 with many other features like these has grabbed the 2 number of the list. 1. HTC one HTC has always come up with some best phones and now its HTC one. The smart phone uses the latest Android software and 4MP camera with aluminium casing. Although it does not have any removable storage but gives 32 or 64GB in built storage system. This is the best smart phone to buy in 2013 which makes it mark as the number 1.

Top 10 Best Laptops to Buy in 2013: Laptops have gained a huge need and reputation in everyday life but the criteria to entitle any specific model good or bad varies from person to person; some pupil are fond of those with big colourful screens, some like those with hard metal casings, some love ones which are extraordinarily small and very convenient to carry. Nevertheless, we have come up with those you’ll find simply awesome; read the article and select the one which suits you best. 10. Acer Aspire S7 Ultrabook This time what Acer has brought is some durable quality in a really compact form with a gorgeous 1080p screen with touch which is perfectly suitable for the new Microsoft Windows 8. It is a bit expensive but, inside it, the intel core 3rdgeneration processor and intel HD 4000 graphic card are worth that price. 9. HP Envy X2 The HP is an interesting proposal; it has an Atom processor which uses much less power than most Intel Core processors which is a good thing for people on travel; it is tiny and light-weight with a 720p responsive screen. It is so far the best option if you need maximum battery life in a tiny machine. 8. Lenovo ThinkPad X1 Carbon Among business laptops, Lenovo’s ThinkPad X1 Carbon is at the top of the list because of its best-in-class keyboard, accurate pointing stick, solid security and durable design in a frame of just 3 pounds and 0.74-inches thickness. It has a brilliant 1600 x 900 display, a comfortable palm-rest, optional touch support and nearly 8 hours of battery-life. 7. ASUS Zenbook Prime UX31A With one of the best screens available on any laptop, the super-bright colorful 1920 x 1080 display of 1080p IPS screen with wide viewing angles alone could justify the purchase of ASUS Zenbook Prime UX31A. This 3-pound Ultrabook also provides fast Core i7 performance, comfortable keyboard with backlight, clear audio, and appealing design with 6.5 hours of battery life. 6. Lenovo IdeaPad Yoga 13 Lenovo IdeaPad Yoga 13 is the ultrabook which has a screen that can be folded all the way back. Its Core i5 processor and 8GB of RAM make it pretty speedy. It’s also got an impressive battery life of over 7 and half hours. If you ask for the most flexible laptop which can also be used as tablet, Lenovo IdeaPad Yoga 13 is the perfect answer! 5. MSI CX61 It is an excellent gaming laptop! Its quad-core 2.4GHz Intel Core i7-3630QM processor offers near-desktop level performance and its 2GB Nvidia GeForce GT 645M graphics chipset and 8GB RAM gives a competent gaming experience. It is a complete package as well to run new windows 8 64-bit. 4. Apple MacBook Pro 15-inch Apple MacBook Pro 15-inch is the best mobile workstation you can buy. While its quad-core Core i7 power, Nvidia GT650M graphics and speedy SSD provide plenty of charm, the laptop’s greatest strength is its eye-popping 2880 x 1800 Retina display. With this laptop, your high resolution videos and photos will look fantastic; technically it is the best a graphic professional can get. 3. Toshiba Satellite If you want a lightweight and a “handsome” laptop with long battery life and strong performance, you should get 14-inch Toshiba Satellite U845T-S4165, which weighs just 3.6 pounds, lasts 7.5 hours on a charge and comes with a Core i5 processor and a speedy SSD. If you don’t know, it has a complete touch screen! 2. MacBook Air 13-inch The 2013 edition of the Apple MacBook Air 13-inch is the best overall laptop; it is simply super-light and thin. It stands out because of its sharp screen, responsive keyboard, superior touchpad, iconic design, very long battery life, faster flash memory, improved graphics performance, relatively loud speakers, and great webcam. Best of all, the MacBook Air 13-inch lasts 9.5 hours on a charge. It comprises of 1.3GHz dual-core Intel Core i5 (Turbo Boost up to 2.6GHz) with 3MB shared L3 cache, and 4GB of 1600MHz LPDDR3 onboard memory. 1. Sony Vaio Pro 13-inch Now here we present the most compatible and best ever laptop for, particularly, the new windows 8 experience. It looks amazing and its light weight design will simply impress you. There’s also an SD card slot which is a fantastic characteristic of this laptop; we shoot all our photos on SD card, and this will save us from messing around with the card reader. Its worth is further enhanced by the slim keyboard, responsive touchpad, and an enchanted touch screen.