My Knowledge Hub

                  About Industry 4.0 About Industry 4.0 Industry 4.0 is revolutionizing the way companies manufacture, improve and distribute there product. Manufactures are integrating new technologies, including Internate of Thins(IOT), cloud computing and analytics, AI, and machine learning, into there prediction facilities and throughout there operations. These smart factories are equipped with advanced sensors, embedded software, and robotics that collect and analyze data and allow for better decision - making . Even higher value is created when data from production operations is combined with operational data from ERP,  supply chain , customer service, and other  enterprise  systems to create whole new levels of visibility and insight from previosly soiled information . These digital technologies lead to increased automation, predictive maintenance , self - optimization of process improvements, ...

Benefits  of  Social Media for  Students Benefits  of  Social Media for  Students Though it has been blamed that  social media platforms have become distracting tools for students as they are not able to pay full attention and do justice to their studies once they get addicted to these technological platforms. Instead of becoming repository of information they get through school education they are more occupied with superfluous knowledge offered by social media. However on close observation it is revealed that these perceptions  about social media is erroneous and misplaced.  Social media platforms like facebook, twitter and instagram and others are interactive tools which give us including students wonderful opportunities to interact with one another. Look at the system of remote digital classroom system which help the educating institutes to impart education to the students through digital mediums from remote locatio...

Space  and Defence   Aryabhatta Aryabhatta was the first satellite launched by India. It was named after the great Indian astronomer of the same name. Aryabhatta weighed 360kg and was launched by the Soviet Union on April 19, 1975 from Kapustin Yar using a Cosmos-3M launch vehicle. Musk Musk is developing a series of launchers, called the Falcon, which, if successful ,could significantly undercut the price routinely paid to aerospace giants Lockheed Martin Corp. and Boeing Co., to send payloads in to Orbit. Space Shuttle Orbiter Atlantis Space Shuttle Orbiter Atlantis is one of the fleet of space shuttles belonging to the US. It was the fourth operational shuttle built. Following the destruction of Challenger and Columbia, it is one of the three fully operational shuttles remaining in the fleet. The other two are Discovery and Endeavour. METSAT METSAT was an Indian (ISRO) meteorological, geostationary satellite designed to simultaneously obtain atmospheric cloud cover, wa...

Particles Particles that are smaller than the atom are called subatomic particles. The three main subatomic particles thatform an atom are protons, neutrons, and electrons. The center of the atom is called the nucleus.The positron or antielectron is the antiparticle or the antimatter counterpart of the electron. The positron has anelectric charge of +1e, a spin of ½, and has the same mass as an electron. कण  कण जो परमाणु से छोटे होते हैं, उन्हें उप-परमाणु कण कहा जाता है।  परमाणु के तीन मुख्य उप-परमाणु कण प्रोटॉन, न्यूट्रॉन और इलेक्ट्रॉन हैं।  परमाणु के केंद्र को नाभिक कहा जाता है। पॉज़िट्रॉन या एंटीलेक्ट्रॉन एंटीपार्टिकल या इलेक्ट्रॉन का एंटीमैटर समकक्ष है।  पॉज़िट्रॉन में it 1e का एनेटिक चार्ज, and का एक स्पिन है, और एक इलेक्ट्रॉन के समान द्रव्यमान है।

BrahMos: The BrahMos is a short range ramjet supersonic cruise missile that can be launched from submarines, ships, aircraft or land. It is a joint venture between the Russian Federation's NPO Mashinostroeyenia and India's Defence Research and Development Organisation (DRDO) who have together formed BrahMos Aerospace Private Limited. It is based on the Russian P-800 Oniks cruise missile and other similar sea-skimming Russian cruise missile technology. The name BrahMos is a portmanteau formed from the names of two rivers, the Brahmaputra of India and the Moskva of Russia.It is the world's fastest cruise missile in operation.The missile travels at speeds of Mach 2.8 to 3.0.The land-launched and ship-launched versions are already in service, with the air and submarine-launched versions currently in the testing phase.  On 11 May 1998, Operation Shakti (Pokhran-II) was initiated with the detonation of one fusion and three fission bombs; the word "Shakti means ...

         Vikram Sarabhai Space Centre:  Vikram Sarabhai Space Centre at Trivandrum or Thiruvananthapuram is the majorcenter of ISRO, where the design and development activities of satellite launch vehicles andsounding rockets are carried out and made ready for launch operations. The centre pursues researchand development activities for associated technologies such as launch vehicle design, propellants,solid propulsion technology, aerodynamics, aero structural and aero thermal aspects, avionics, polymers and composites, guidance, control, and simulation, computer and information, mechanical engineering, aerospace mechanisms, vehicle integration and testing, space ordnance, chemicals and materials.                 विक्रम साराभाई अंतरिक्ष केंद्र  त्रिवेंद्रम या तिरुवनंतपुरम में विक्रम साराभाई अंतरिक्ष केंद्र इसरो का प्रमुख केंद्र है, जहां उपग्रह प्रक्षेपण वाहनों और रॉकेटों के डिजाइन और विकास गतिविधियों क...

Refrigerator  A refrigerator is a common household appliance that consists of a thermally insulated compartment and a heat pump (mechanical, electronic, or chemical) that transfers heat from the inside of the fridge to its external environment so that the inside of the fridge is cooled to a temperature below the ambient temperature of the room. Refrigeration is an essential food storage technique in developed countries. The lower temperature lowers the reproduction rate of bacteria, reducting the rate of biochemical reactions so the refrigerator reduces the rate of spoilage. A refrigerator maintains a temperature a few degrees above the freezing point of water. Optimum temperature range for perishable food storage is 3 to 5 °C (37 to 41 °F).[1] A similar device that maintains a temperature below the freezing point of water is called a freezer. फ्रिज  एक फ्रिज एक सामान्य घरेलू उपकरण है जिसमें एक थर्मल इंसुलेटेड कम्पार्टमेंट और एक हीट पंप (मैकेनिकल, इलेक्ट्रॉनिक या क...

Cryogenic Rocket Engine Cryogenic Rocket Engine A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel or oxidizer, that is, its fuel oroxidizer (or both) are gases liquefied and stored at very low temperatures.Notably, these engineswere one of the main factors of NASA's success in reaching the Moon by the Saturn Vrocket. क्रायोजेनिक रॉकेट इंजन  क्रायोजेनिक रॉकेट इंजन एक रॉकेट इंजन है जो क्रायोजेनिक ईंधन या ऑक्सीडाइज़र का उपयोग करता है, अर्थात इसका ईंधन ऑर्किडाइज़र (या दोनों) गैसों को द्रवीभूत किया जाता है और बहुत कम तापमान पर संग्रहीत किया जाता है। संभवतः, ये इंजन पहुँचने में नासा की सफलता के मुख्य कारकों में से एक हैं।  शनि व्रत द्वारा चंद्रमा।

National Aeronautics and Space Administration (NASA) : The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilianspace program as well as aeronautics and aerospace research. NASA’s Jet Propulsion Laboratory is located in Pasdena.Deep impact is a NASA space probe, designed to study the composition of the interior of the Comet 'Tempel-1'. Phoenix was a robotic spacecraft on a space exploration mission on Mars under the Mars Scout Program. The Phoenix lander descended on Mars on May 25, 2008. Mission scientists used instruments aboard the lander to search for environments suitable for microbial life on Mars, and to research the history of water there. The total mission cost was about US $386 million, which includes cost of the launch. राष्ट्रीय वैमानिकी और अंतरिक्ष प्रशासन (नासा)  नेशनल एरोनॉटिक्स एंड स्पेस एडमिनिस्ट्रेशन (NASA) संयुक्त राज्य अमेरिका की सरकारी एजेंसी है जो नागरिक क्षेत्र कार्यक्रम के साथ...

Bluetooth Smart Technology: Bluetooth Smart technology:  Bluetooth Smart technology is a wirelesscommunications system intended to replace the cables connecting many types of devices, from mobile phones and headsets to hear monitors and medical equipment. ब्लूटूथ स्मार्ट तकनीक  ब्लूटूथ स्मार्ट तकनीक एक ऐसी दूरसंचार प्रणाली है जिसका उद्देश्य कई प्रकार के उपकरणों को जोड़ने वाले केबलों को बदलना है, मोबाइल फोन और हेडसेट्स से लेकर मॉनिटर और चिकित्सा उपकरणों को सुनना

Electronic Governance or e governance   Electronic governance or e-governance Electronic governance or e-governance is the application of information and communicationtechnology (ICT) for delivering government services, exchange of informationcommunication transactions, integration of various stand-alone systems and servicesbetween government-to-customer (G2C), government-to-business (G2B), government-togovernment (G2G) as well as back office processes and interactions within the entiregovernment framework. इलेक्ट्रॉनिक शासन या ई-गवर्नेंस:  इलेक्ट्रॉनिक शासन या ई-गवर्नेंस सरकारी सेवाओं को वितरित करने, सूचना के आदान-प्रदान के आदान-प्रदान, विभिन्न स्टैंड-अलोन सिस्टमों के एकीकरण और सरकार-से-ग्राहक (G2C), सरकार-से-व्यापार के लिए सूचना और संचार प्रौद्योगिकी (ICT) का अनुप्रयोग है।  G2B), सरकारी-सरकारीकरण (G2G) के साथ-साथ संपूर्ण कार्यालय ढांचे के भीतर बैक ऑफिस प्रक्रियाएं और इंटरैक्शन।

Domain   Domain A domain name locates an organization or other entity on the Internet. For example, the domain name "www.totalbaseball.com" locates an Internet address for "totalbaseball.com" at Internet point 199.0.0.2 and a particular host server named www. us. indicates USA while edu. indicate education thus .ed. us,is the name of an educational institute  in USA.All are valid domain name extension. The official list of all top-level domains is which include edu, gov, org, net, info maintained by the Internet Assigned Numbers Authority (IANA).In an initiative to expand the domain name space, IANA is considering approval of several proposed top-level domains. As of February 2015, the root domain contains 810 top-level domains,while a few have been retired and are no longer functional. डोमेन  एक डोमेन नाम इंटरनेट पर एक संगठन या अन्य इकाई का पता लगाता है।  उदाहरण के लिए, डोमेन नाम "www.totalbaseball.com" इंटरनेट बिंदु 199.0.0.2 पर "Totalba...

Mechanical Project Stairs   A simple design-upgrade to the staircase handrail allows elders to take a break while climbing. - One of my favorite things in the world is stumbling across a design that’s both creative yet so painfully obvious, it makes me wonder why nobody thought of it before. A staircase handrail serves two important purposes. It A. acts as a barrier between flights of stairs, so you don’t accidentally fall over and hurt yourself, and B. more importantly, it gives you a resting platform for your hands, allowing you to take support as you climb down. Here’s my question. What if you could reinterpret the word ‘support’ as something that’s more encompassing and isn’t limited to one’s hands? - The Rest For A While staircase turns portions of the handrail into a resting zone for people who get tired of climbing flights of stairs. At the landing of every flight of stairs, the handrail extends downward into a makeshift seat with a backrest, allowing senior citi...

CAD (computer-aided design): CAD (computer-aided design) CAD (computer-aided design) software is used by architects, engineers, drafters, artists, and others to create precision drawings or technical illustrations. CAD software can be used to create two-dimensional (2-D) drawings or three-dimensional (3-D) models. सीएडी (कंप्यूटर एडेड डिजाइन)  सीएडी (कंप्यूटर एडेड डिजाइन) सॉफ्टवेयर का उपयोग आर्किटेक्ट, इंजीनियर, ड्राफ्टर्स, आर्टिस्ट और अन्य लोग सटीक चित्र या तकनीकी चित्र बनाने के लिए करते हैं।  सीएडी सॉफ्टवेयर का उपयोग दो-आयामी (2-डी) चित्र या तीन-आयामी (3-डी) मॉडल बनाने के लिए किया जा सकता है।

             World Wide Web(WWW) World Wide Web (or the Web)  The World Wide Web (or the Web) is a system of interlinked, hypertext documents accessed via the internet. With a web browser, a user views web pages that may contain text, images and other multimedia and navigates between them using hyperlinks. It was created around 1990 by the Englishman Tim Berners–Lee and the Belgian Robert Caillian working at CERN in Geneva, Switzerland. Tim Berners-Lee received the millennium technology prize for conceiving of the World Wide Web. वर्ल्ड वाइड वेब (या वेब)  वर्ल्ड वाइड वेब (या वेब) इंटरनेट के माध्यम से एक्सेस किए गए इंटरलिंक, हाइपरटेक्स्ट दस्तावेजों की एक प्रणाली है।  एक वेब ब्राउज़र के साथ, एक उपयोगकर्ता वेब पृष्ठों को देखता है जिसमें हाइपरलिंक का उपयोग करके उनके बीच पाठ, चित्र और अन्य मल्टीमीडिया और नेविगेट हो सकते हैं।  इसे 1990 के आसपास अंग्रेज टिम बर्नर्स ली और बेल्जियम के जिनेवा में सर्न में काम कर रहे बेल्जियम के रॉ...

Operating System   Operating System The operating system is the most important program that runs on acomputer. Every general-purpose computer must have an operating system to run other programs and applications. Operating systems perform basic tasks, such as recognizing inputfrom the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers. ऑपरेटिंग सिस्टम  ऑपरेटिंग सिस्टम सबसे महत्वपूर्ण प्रोग्राम है जो एक कंप्यूटर पर चलता है।  प्रत्येक सामान्य-उद्देश्य वाले कंप्यूटर में अन्य प्रोग्राम और एप्लिकेशन चलाने के लिए एक ऑपरेटिंग सिस्टम होना चाहिए।  ऑपरेटिंग सिस्टम बुनियादी कार्य करता है, जैसे कि इनपुटफ्रेम कीबोर्ड को पहचानना, डिस्प्ले स्क्रीन पर आउटपुट भेजना, डिस्क पर फ़ाइलों और निर्देशिकाओं पर नज़र रखना और डिस्क ड्राइव और प्रिंटर जैसे परिधीय उपकरणों को नियंत्रित करना।

Internet The Internet is a global network connecting millions of computers. More than 190 countries are linked into exchanges of data, news and opinions. According to Internet Live Stats, as of December 30, 2014 there was an estimated 3,037,608,300 Internet users worldwide. The number of Internet users represents nearly 40 percent of the world's population. The largest number of Internet users by country is China, followed by the United States and India.In September 2014, the total number of websites with a unique hostname online exceeded 1 billion. This is an increase from one website (info.cern.ch) in 1991. A local area network (LAN) is a group of computers and associated devices that share a common communications line or wireless link to a server. A database is an organized collection of data. The data is typically organized to model aspects of reality in a way that supports processes requiring information, such as modelling the availability of rooms in ...

Uranium( यूरेनियम): Uranium: Uranium is a very heavy metal which can be used as an abundant source of concentrated energy. Many contemporary uses of uranium exploit its unique nuclear properties. Uranium-235 has the distinction of being the only naturally occurring fissile isotope. Uranium-238 is fissionable by fast neutrons, and is fertile, meaning it can be transmuted to fissile plutonium-239 in a nuclear reactor. Another fissile isotope, uranium-233, can be produced from natural thorium and is also important in nuclear technology. While uranium-238 has a small probability for spontaneous fission or even induced fission with fast neutrons, uranium-235 and to a lesser degree uranium-233 have a much higher fission cross-section for slow neutrons. In sufficient concentration, these isotopes maintain a sustained nuclear chain reaction. This generates the heat in nuclear power reactors, and produces the fissile material for nuclear weapons. Depleted uranium (238U) ...