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کیو آر کوڈ کیا ہے                          ن                               آپ سب نے کیو آر کوڈ Quick Response Code کی اصطلاح ضرور سنی ہوگی۔  کیو آر کوڈ دراصل روایتی بار کوڈ کی ایک قسم ہے جسکی ابتداء جاپان سے ہوئی۔ کیو آر کوڈ بار کوڈ کے مقابلے میں سیدھی لائینوں کی بجائے کالے چوکور خانوں پر مشتمل ہوتا ہے۔ مختلف سائز کے یہ چوکور خانے مل کر ایک بڑا چوکور خانہ بناتے ہیں جسکا بیگ گراؤنڈ سفید ہوتا ہے۔ ان چوکور خانوں میں دراصل مختلف قسم کی معلومات سٹور ہوتی ہیں جنہیں عام طور پر سمارٹ فون کیمرہ کی مدد سے سکین کیا جاتا ہے اور  سافٹوئیر اسے پڑھ کر آپ کو وہ معلومات سکرین پر انگریزی یا کسی دوسری زبان میں دکھاتا ہے۔ 1994 میں ٹویوٹا کی ایک ذیلی کمپنی نے گاڑیوں کی تیاری کے دوران پرزہ جات وغیرہ کے بارے میں بہتر معلومات رکھنے کے لیے یہ نظام متعارف کروایا۔ آج کیو آر کوڈز کا استعمال شاپنگ، انٹرنیٹ اور مختلف اقسام کی مصنوعات کی ٹریکنگ کے لیے کیا جاتا ہے۔ ...

  Blogging and making money online Many people dream of becoming a famous blogger, but few ever realize it. Blogging is an excellent way to reach the public and share your ideas with the world— but you need to know how to do it well. Essentially, you have to decide what type of blog you want to start and then choose a platform for it. Almost anyone can start a blog and share their ideas with the world. Many people find this easy; they start a blog for school or work purposes. Either way, it’s an excellent way to express your ideas and change the world. Plus, it’s easy to find a platform for your blog online; there are many free platforms out there. You just have to know where to look. The first thing you’ll want to do is decide what kind of blog to start. Some people use a personal blog for sharing photos or writing about their hobbies. Other people use a business blog for informing customers or potential employees on how a business functions. You can also use a portfolio blog for ...

  what is digital marketing? Digital marketing is a marketing strategy that uses technology to reach target audiences. It has become an important marketing tool in the 21st century. Digital marketing has changed the way businesses engage with their target audience. It provides a cost-effective and efficient way to promote products or services. It’s also great for building brand loyalty and increasing sales. Digital marketing is a powerful tool for businesses because it allows them to reach a mass audience. Anyone with access to the Internet can be reached through digital media such as websites, apps and social media feeds. This is great because it costs less to market to a wide audience than to target just a few people. Digital marketing also allows businesses to interact with their customers in real time and respond to any concerns or feedback they have. This leads to increased customer satisfaction and better business results. Digital marketing has changed over time thanks to new...

       The 2022 FIFA World Cup will be the 21st FIFA World Cup, an international men's football tournament contested by the men's national teams of the member associations of FIFA. It is scheduled to be hosted by Russia from 14 June to 15 July 2022.[1] The final tournament will have 64 matches played at 12 stadiums in 11 different cities. The knockout stage of the knockout stage and the round of 16 will be played at 12 stadiums in 11 different cities, while match scheduling and bidding requirements specified in the award agreement allow each city to bid on hosting one match per day (i.e., allowing a maximum of four games during each hosts' opening weekend).[2]

 Should Plastic Be Banned? Plastic, the seemingly harmless and convenient substance that is used in all sorts of household items, has become an epidemic. It's all around you: in your toothbrush, on your computer keyboard and even in your water bottle. The problem is that plastic production has increased by 20% every year and yet it will never biodegrade. What Is Plastic? Plastic is a material that is made from synthetic polymers. It is lightweight, durable, and easy to mold into different shapes. Plastic is used in a wide variety of products, from food packaging to toys to construction materials. While plastic has many benefits, it also has some drawbacks. One of the biggest problems with plastic is that it is non-biodegradable, meaning it cannot be broken down by natural processes. This means that all the plastic ever produced still exists in some form or another – and much of it ends up in our oceans and landfills. Another issue with plastic is that it can contain harmful chemica...

 The Negative and Positive Effects Of Urbanization: Urbanization can have both negative and positive effects. Pollution due to urbanizing has been increasing globally since the 1950's. Reasons for this increase are multifaceted and include the timing of industrial growth, rapid population growth (especially in more developed regions), increased household electricity use, and poor waste management systems. Pollution becomes a problem when it affects our health, natural resources, climate change, transportation, or even visual radiance from major cities and metropolitan areas. Solutions to prevent pollution include having stricter laws on emissions from factories or air conditioners; cutting back on energy consumption through new technologies; new vehicle technology modernization and options for hybrid cars; decreasing distance between households and workplaces through better public transportation options or carpooling facilities; making regulations for waste disposal more strict by ...

 چمگادڑیں کیسے دیکھتی ہیں         ر)                                                 چمگادڑیں کم و بیش دنیا کے تمام خطوں میں پائی جاتی ہیں۔یاد رہے کہ چمگادڑوں کی تمام اقسام اندھی نہیں ہوتیں بلکہ ان میں سے بعض بالکل انسانوں کی طرح دیکھ سکتی ہیں۔لیکن رات کے وقت وہ بھی ایکو لوکیشن Echolocation کا استعمال کرکے اڑتی اور شکار کرتی ہیں۔چمگادڑیں اپنی آواز کی گونج یعنی Echo کو دیکھ سکتی ہیں۔یہ نہایت پیچیدہ ملٹری گریڈ مشینری جیسا نظام ہے جو قدرت نے اس چھوٹی سی مخلوق کے سر میں نصب کر رکھا ہے۔ اسے ہم بائیولوجیکل سونار سسٹم (آواز کی لہروں کی مدد سے جاسوسی کا نظام جو زیر زمین، زیر آب اور زمین کی سطح پر کام کرتا ہے) کہہ سکتے ہیں۔  کئی جانور ایسی آوازیں نکالتے ہیں جن کی گونج بہت زیادہ ہوتی ہے۔ ان کا مقصد دوسرے جانوروں کو متوجہ کرنا ہوتا ہے۔ہم جانتے ہیں کہ آواز مختلف سطح سے ٹکرانے کے بعد تبدیل شدہ حالت میں ہمیں واپس سنائی دیتی ہے۔کوئی چیز جتنی زی...