Near Field Communication (NFC)

Near Field Communication (NFC) is a form of contactless communication between devices like smartphones or tablets. Contactless communication allows a user to wave the smartphone over a NFC compatible device to send information without needing to touch the devices together or go through multiple steps setting up a connection. This is very fast and convenient. NFC technology is popular in parts of Europe and Asia, and is quickly spreading throughout the United States. It is very useful to people who are buying things at a grocery store, businesses looking for faster and secure payments methods for customers, friends touring some unknown place, etc. So what exactly is the technology behind NFC? Is it any different from bluetooth?   Continue reading

Panoramic Images


Consider a situation where you are standing on top of a mountain or some other beautiful natural scenery. You are enjoying a beautiful view that seems to span from far left to far right and you want to take a nice picture of the whole thing. Your camera allows you to capture only a limited field of view. So to capture the whole scene, you will have to capture multiple images. Doesn’t feel exactly the same watching it in pieces, does it? We really want to capture the beauty within a single image. You can certainly record a video and capture the whole scene, but what if you want to print it out? This is where panoramic photography technique comes in. Panoramic images are images with elongated field of view. The image above is one such example. These images cannot be captured with a single camera click because the field of view is limited. So how do we do capture panoramic images?   Continue reading

Touch Me Not

We are increasingly moving towards touchscreen technology. Every new mobile gadget that’s coming to the market has a touchscreen. Most of us interact with touchscreen technology on a daily basis. I’m sure you would have gotten curious some time or the other to know how it actually works. What happens when you touch the screen? How does it know where you touched the screen? All of us deserve to know how it works, especially when we use it so often.   Continue reading