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Contactless Payment Image Source: Getty Images      D ebit and Credit cards are now coming up with an icon that looks like a Wi-Fi symbol. If your card also has such symbol, than you can make payments by it without swiping. It means your card has a 'Contactless feature' . The advantage of a contactless feature is that the payment can be made by just tapping without swiping. This Card has ' Near Field Communication' (NFC) chip, which can be brought close together at a Point of Sale (POS) terminal without touching the device for making payments. According to the official Visa website, for secured transactions between 'Contactless Card' or payment enabled device and the checkout or POS terminal, the contactless card includes short-range wireless technology.      When you tap your card or device near the contact signals, your payment goes for authorization. According to the information given on the website, the card should be held 1-2 inch closer for...

Honor View 20 Image Source:Twitter Honor India           Huawei's sub brand Honor has launched its flagship Honor View 20 in the first month of 2019 itself. The key highlight of the phone is that it is the world's first smartphone with a "Hole-Punch" Selfie camera , the front or the selfie camera is lies on the top left corner within the display. The device is also has a powerful Kirin 980 Soc . The smartphone was first showcased at the CES this year and was later launched in China by the name Honor V20. The design and the look of the Honor View 20 is fascinating. It has an Aurora Nanotextured back that resembles the letter 'V' shaped gradient that appears according to the surrounding light. Overview        The Honor View 20 comes with a 6.4inch All view Full Hd+ display with a punch hole selfie camera on top left corner. It is powered by latest processor by Huawei, the HiSilicon Kirin 980 which is supposed to be w...

Balloon Bursting in Slow motion          According to Techopedia, " Frames per second (FPS) is a unit that measures display device performance. It consists of the number of complete scans of the display screen that occur each second. This is the number of times the image on the screen is refreshed each second, or the rate at which an imaging device produces unique sequential images called frames."       A video is basically large number of pictures or frames played continuously with   minute   differences. Frames per second is the speed at which those pictures move in a video at a continuous rate. This makes or eyes feel like the object or the people in the video are moving.        A normal motion video has a frame rate of 30fps which means we are able to see 30 frames or pictures in each second which results in a the objects in the video move without pausing. Fps or Frames per secon...

Facebook to merge Whats app, Instagram, Facebook Messenger          World’s   most renowned social media site  Facebook is going to merge its Instagram, WhatsApp and Facebook messenger according to a report by New York Times. As per the report, Facebook says that it will be a long process and it has already started working on it.        The popular photo sharing app,   Instagram has been bought by Facebook in 2011 for $1billion. While Facebook also bought instant messaging app, Whatsapp for $19 billion in 2014. Facebook also owns its native messaging service, Facebook Messenger which has lot of common features of the other messaging apps, the merger of these three might result in "best messaging experience" for the billions of users across the globe who use the Facebook owned apps.        After the merger of the three, a WhatsApp user can text an Instagram user without sw...

Payment Through NFC Image Source: Getty Images             NFC or Near Field Communication is a technology that makes use of high frequency wireless communication fir transferring data over a shorter distance which ranges from  5 cm - 10 cm. This technology makes your life more convenient by making it very easy to share data between devices and perform transactions.      In simple words, NFC is a technology that makes it able to pass data between two devices, generally your smartphone and an another device, so that you can share data, perform transactions or even get discount offers by tapping your smartphone on smart discount coupons.      How does NFC work?      NFC also work on the principle of sending information over radio waves just as  WiFi , Bluetooth and some other technologies. NFC makes use of Radio frequency Identification (RFID) technology which used electromag...

Xiaomi's Dual Side Foldable Smartphone Credit: Twitter  Wang Xiang              Chinese tech giant Xiaomi has unveiled one of its kind dual side Foldable smartphone in a video by the President Wang Xiang posted on micro-blogging site Weibo and later Tweeted.       Just two months back Samsung has revealed its foldable display prototype   and now Xiaomi has entered into the race of foldable displays with its dual side foldable smartphone and it is one of its kind. Xiaomi President Wang Xiang posted a video of foldable smartphone on Weibo Credit:  Twitter  Wang Xiang       The  smartphone  caught  everyone's   attention  after a video of the same was posted by Xiaomi President Wang Xiang on Weibo which shows a tablet sized smartphone running on MIUI which in the later part of the video folds from two sides to turn into a smartphone with curved edges wh...

 Biotechnology       Merriam-Webster dictionary defines Biotechnology as "the manipulation (as through genetic engineering) of living organisms or their components to produce useful usually commercial products (such as pest resistant crops, new bacterial strains, or novel pharmaceuticals)"      In simple words Biotechnology is a technology that makes use of biological systems, living organism or parts of this for creating different products which are useful.     The word Biotechnology is coined by adding two words, Bio (means   life ) and technology . Biotechnology is a wider concept having many branches but all the branches utilizes living organisms to achieve their desired results. Biotechnology has been used by humans since ages when the early ancestors of man who started to domesticate the animals, cultivation of plants and advancement in them by hybridization.      The main ar...

A 3d Printed Object       3d Printing is an innovative technology that takes help of the 3d scanner and 3d printer to produce a real life model from a digital design.      The main purpose of  3d printing is to create prototype design of a design faster and cheaper. It perfectly nailed for which it was innovated. After the innovation of the 3d printing technology, even creating complex prototypes of a design became easier. Nowadays you can print anything using a 3d printer. How does 3d printing work?       3d printing unlike conventional manufacturing, does not remove any material, instead it adds layer after layer to form an object. Due to its this quality, it is also known as additive manufacturing. A 3d Printer Printing an object       First you need to create a 3d model of anything that you want to print. That can be created by designing in a 3d modelling program known as CAD(Computer Aide...

Terahertz Imaging can be used to read Closed Books which are Old             Terahertz imaging is a technology which makes use of the Terahertz frequency which ranges from 0.1 THz - 3 THz and lies between the microwave and infrared frequencies. Terahertz frequency is able to see through many materials which are blocked by visible and infrared spectra which make it beneficial to be used for terahertz imaging.            Thus, compared to the microwave radiation or the conventional X-rays, it is able to achieve   better   spatial  resolution  which   is   required   for   rendering quality imaging with the help of T-rays or terahertz frequency range.      Now, if we want to know the depth of the mine which we dug, we would send laser in the deepest point and then measure the time it takes to travel back to the source. As we know the speed of light, we can ...

Self Driving Car Using Lidar Image Source: Getty Images       According to Merriam-Webster dictionary ," A device that is similar in operation to radar but emits pulsed laser light instead of microwaves"      In simple words, LIDAR - Light Detection and Ranging is a technology which uses laser light beams to know the distance of the of the objects surrounding it instead of microwaves used in Radar.      Lidar uses a sensor which shoots eye safe laser beams at very high speed -150,000 beams per second through a camera which collide with the surrounding objects and reflect back to a sensor. The sensor measures the time required for the laser beams to reflect back to it. It also uses the speed of light to calculate the distance.The result is a 3-dimensional map of the surrounding or the target object and the characteristics of its surface. Lidar System Working Image Source: Getty Images    ...