My new self-hosted blog!

FINALLY! I have started a new self hosted blog at http://informaticcoolstuff.in . So, please do read content on my new blog also.

Creating a new one doesn’t mean that I neglect this blog, this blog will be continuing as it is right now. The only thing that changes is, I also write on my new blog. Which means more content to read!! And there are not so many articles in it. You might be wondering what am I going to write on that blog! Well… I will be writing article on DIYs, science and technology, gadgets and all…

Please do support as you did all this time and also suggest me with some bunch of productive advices…

Thanks for reading!

Iris Scan vs Retina Scan…

With the introduction of Iris scan on a smartphone by Samsung, Iris scan has become more popular now. On a smartphone, initially we had no locks then we had password, later on finger-print scanners. Now, to reach the higher level of security we have IRIS scanner on a smartphone.

There is still a subtle confusion among people between iris scan and retina scan. So, let’s see the difference.

Retina: it’s the thin layer that is on the inner back of the eye. The thing is even identical twins do not share the same pattern of retina. However the retina patterns can be changed in case of diabetes or degenerative disorders of the retina.

How a retina scan works?? A retinal scan is performed by sending out an unobserved low-energy infrared light beam into a person’s eye as they look into the scanning device. This beam of light traces the systematized path of the retina. As the blood vessels of the retina are more light absorbent than the rest of the eye, the amount of reflected light varies during scanning. The result received is the pattern of those variations. And that received pattern is the unique identity or life saver or atleast information saver;)

Retina scan requires a very close encounter with the scanning device, that might be one the reasons why a retina scan is not preferred on smartphones.

Iris scan: Unlike retina, iris is flat, ring-shaped tissue behind the cornea of the eye.  The color of the iris defines the eye color.

How an Iris scanner works?? Iris recognition uses video camera with infrared illumination (NIR) on the smartphone or any iris scanner to capture images of the structures of the iris.The images are turned into digital templates and stored. These templates provide a mathematical representation of the iris. It represents a unique identity.

Iris texture always remains extremely stable, doesn’t change at all, because it is internal and protected.Moreover Iris scan can be done from a distance, that is one of the reasons why an iris scan is being used on smartphones.

 

 

Google Project Ara( An innovative piece’s’ of smart phone)

All the projects that Google is working on, like Project Ara, Project fi, Project Soli, Project wing, Project balloon, Project Tango and many more are super cool.

In my view this year Google I/O 2016 was mostly about AI and VR. Last year I have read about “Google Project Ara” and that really freaked me out. Now let’s see what actually is Project Ara.

Google Project Ara wants to do to hardware what apps did to software.

OLYMPUS DIGITAL CAMERA

By creating a phone that can have each component changed, all the main components are interchangeable via modules that click in and out, attaching via electro permanent magnets.

Google believes it will drive down hardware pricing while allowing users to pick and choose what they want. That’s what Google’s Project Ara a modular smartphone aims to do. No need to buy a new Smartphone due to some damage just change the respective module. At last we can say only one thing that it’s a flexible platform suitable for everyone, everywhere and any time. It allows developers to be able to create modules for its Ara device.

So, let me know what do you think…

Turn your table top into an Android tablet!!

Ever thought of turning your table top into a touch screen? well… This gadget does just that. Lazertouch is a new, small projector that can turn any table top or even a wall into an Android tablet. This gadget showed up in INDIEGOGO. To detect touches, Lazertouch puts out a laser that is parallel with the surface. The projector is portable, and has  13,600mAh battery inside.

This can be used just like any android tablet.. Watch out the video, that looks really good..

 

GLOWING PLANTS!

Ever thought of trees glowing? Maybe now you should.. So, technical name for these type of plants is Bioluminescent plant. The first bioluminescent plant was made in 1986, with the addition of firefly luciferine.

There are a few species like jelly fish, fireflies etc.. On our planet that can glow. To make the glowing plants, the team first uses the Genome Compiler software to identify a plant’s DNA. The software then custom prints the sequence and then inserted into a plant.

The main sequence responsible for making the plant glow is known as luciferase (it can also be found in fireflies). Unlike the previously made Bioluminescent plants, where the plants aren’t so bright,  now scientists have been able to get the gene to recycle itself and make the plant especially bright.

Scientists say that the intensity of the light emitted by these Bioluminescent plants isn’t that high to replace streetlights. Hopefully someday we replace our street lights and table lamps with Bioluminescent plants.

Live forever “Frozen”(Cryonics)!

We have seen so many weird to the weirdest things in science, but I think nothing can be so weird than this. Basically cryogenics is the study of something in cold, but CRYONICS on the other hand is the study of some living thing kept in cold.

Cryonics is actually a process of preserving the human body in an extremely low temperatures, hoping that some day, science could be able to bring them back to life ( Technically called reanimation). “Hoping??” Yeah, this isn’t perfect yet, as of now scientists have only found the way to preserve the human body, but science has yet to improve further to bring the preserved human back to life!

You may ask, why on earth people want to live frozen forever? Well… The people with un-curable diseases hoping that science one day finds a cure or people just curious about future may end up preserving themselves through cryonics.

Now, let’s see what happens here rather how it happens. Once the person is dead, the cryonics team inject some antifreeze to protect the tissues from freezing because. The main problem here is our cells are full of water and when we freeze the body cells may freeze, when liquid freezes they expand so, there is a chance of breaking the cell membrane in this process. Then the body is cooled rapidly and finally kept in a liquid nitrogen container for too long.

It may take a few years or even decades to find a way to reanimate the human body (bringing the human back to life).

Science fiction is no more a fiction!!

 

 

Misconceptions about tides! What really causes tides?

Many people get it wrong about the reason for gravity of moon and sun responsible for tides. Now, let me ask you something, why don’t we see tides in a lake? And why don’t we see sand and rocks levitate, Due to the Gravity of moon and sun?

Let’s see what actually cause tides. When you are in an accelerating bus( technically in an accelerating frame or non-inertial frame), what ever may be the mass of the object, they  experience force while bus turns, in a direction opposite to the turn. This force is similar to the Tidal force experienced by earth.

Here, what ever may be the mass of the object on earth, they should move out of the surface of earth. But that’s not happening here, all the objects aren’t moving out. The tidal force isn’t acting only on the moon-earth line, because if that was the case ( tidal force acting along the moon earth line), we should see the lakes, ponds, rocks, you and me raising, but we aren’t. And the tidal acceleration due to the gravity of moon along the earth moon line is 1/10,000,000th gravity of earth, so it is not possible for this tiny force to lift something on earth. But that tides are real here!!!!

Then, what is really causing tides???

Until now, we only have considered forces on the earth-moon line. Now consider the forces acting on some other points on earth, the resultant of the forces at that point, i.e., the TIDAL force at that point is observed to be radially downward. By mapping the direction of tidal force at various points on earth, it looks something like the image down below. With the image below, it is clear that, this force is not lifting or stretching but getting SQUEEZED.

From an unknown source on the internet, I have read that this phenomenon is similar to that of squeezing a pimple;);) So true.. This makes it easy to answer my above question “Why do lakes don’t have tides?”. Well… You got it, they are like small pimples, hard to blast:);). They have a smaller surface area and have tiny microscopic tides, which can’t be seen. By the way, the similar is the case with sun. The Sun is very far from earth yet with a huge mass. So,according to the position of the sun, earth and moon the bigger and smaller tides are formed!

Let me know, what you think!

What’s Encryption? And what’s Quantum Cryptography?

Encryption is simply taking some information that makes sense and scrambling it into some mess, so that no one can open it without a specified key. In reality, many websites on the internet contain some of our secret and sensitive information( like credit card info and even messages), to protect these we use Encryption.

So, how do they manage to protect our information?

Well.. The information is first turned into some other sequence or into bits, then we use something called KEY, to protect our information.

This key is like, multiplying every bit of the code with a certain prime number or something else. This makes it difficult to crack. Because, its easy to know the multiplication of two prime numbers. But, its pretty tough to tell the two prime numbers with which the number or the output bit is obtained.

And for encryption, we don’t use small primes, we actually use bigger prime numbers. It may take years to find the factors for that number by a human. But the machine(computer) created by the human is super fast and can find the key faster than you expect, of course that damn tough to do so.

Now, let’s see what “Quantum Cryptography” is?

Encryption is done purely based on mathematics. When it comes to highest level of protection, “Quantum Cryptography” comes into picture. Unlike encryption, Quantum Cryptography uses physics. In Quantum Cryptography, the information is hidden in Photons(light particles).

The key here is  a stream of photons travelling in one direction, with each of these photon particles representing a single bit of data (either a 0 or 1). All of these photons are oscillating (vibrating) in any 360-degree range across any conceivable axis, let the  oscillations be grouped into 4 particular states: UP/DOWN, LEFT/RIGHT, UPLEFT/RIGHTDOWN and UPRIGHT/LEFTDOWN.UPRIGHT/LEFTDOWN. The angle of this vibration is known as the polarization of the photon.

A polarizer is that which simplifies a filter that permits certain photons to pass through it with the same oscillation as before and lets others pass through in a changed state of oscillation.

Now, let’s see how a key is made. Let  “A” sends oscillating photos may be UP/DOWN, LEFT/RIGHT, UPLEFT/RIGHTDOWN and UPRIGHT/LEFTDOWN. The receiver “B” uses two types of polarizers ( Diagonal and Horizontal/vertical) for each photon, to polarize and ends up with an information waiting for a confirmation by the sender “A” about the polarizer “B” used, that is, Diagonal or Horizontal/vertical polarizer.

Because, a Diagonal polarizer won’t polarize a Horizontally polarized photon, that is, there is a 50% chance of 1 and 50% chance of 0. Finally once the sender “A” confirms the polarizer used for each bit, the wrongly guessed combinations are thrown out and the correct key is obtained.

Using Quantum Cryptography as of now is very tough. This was practically practised in IBM lab.

 

 

Spherical Tires!!!

Spherical tires, this may sound crazy, but they are actually awesome. Unveiled at the Geneva International Motor Show, by a company called “GOODYEAR”.

These tires allows cars to move in all directions, with spherical tires, you can even slide in sideways too. Greater parking efficient, so existing parking lots can accommodate more cars without taking up any more space. But, how on this earth, they fixed the tires to the car, yet manage to make them rotate in every direction?

Well… They used magnetic levitation, rather than axles, to suspend the tires under the cars body.. Where an object is suspended above another with no other support but magnetic field.

These are 3d printed, and are smart enough to detect, whether the road is wet or dry, and functions accordingly. The coral-patterned tread also behaves like a natural sponge – responding to wet weather by softening, while stiffening in dry conditions. Here are my previous articles on 3D printing and even 4D printing 😉 (3D printing , 4D printing ).

 

 

 

 

 

Hurrah! My blog turns an year now…

Hurrah! It’s been an year now. One thing’s for sure, blogging community here is awesome. I learnt so much here. Now, my blog turns an year and I got an year of experience in blogging. This is a huge thing to me. So, I thought, why not make this article a huge one too. Before you get mad at me scrolling down and down and wondering where it ends, let me explain you something.

When I did my 100th article with 100 followers (Celebrating 100th article with 100 followers). I thought I would write my 200th article with 200 followers but, it didn’t happen now. This is my 153rd article with 210 followers;);) The funny thing is I got the followers count, as I said before  bloggers here are really awesome, but I didn’t reach my articles count;);) It’s pretty genuine though, you don’t want to read junk and I don’t want to write articles to just satisfy the count.

Moving on, as you scroll down, hopefully you find some really interesting articles. And there are so many of them. Trust me you won’t be disappointed because, all my favourite articles are listed below. The good thing is, almost all of my articles are listed. Favourites till my 100th were listed in one article and from 100th to this particular article are listed below. So, this is an eye feasting article, atleast to me;)

If you have read and still remember my 100th article you might have noticed that, a few dialogs are similar right? Yeah! In case you don’t reach the end of this article reading and scrolling, let me tell you something. Thank you so much for making this happen, thank you for your support and thanks for your suggestions. Appreciate it!

Celebrating 100th article with 100 followers ( Start with this, but don’t get struck here with so many articles;))

Laser printer working

Computers more like a human brain

Time keeping and leap second

Quatz watch working

Renewable energy sources

Neutrinos, the ghost particles

Biodegrading plastic by Bacteria!

World’s longest running science experiment, Pitch drop experiment.

Transhumanism( Humans and technology)

Teleportation

Liebster award

Do you think we only use 10% of our brain?

How to fix a broken wire of a speaker or a headphone?

What is Li-Fi? How is it 100 times faster than Wi-Fi?

How were the pyramids build?

A pen that draws in 3D!

What’s a DSLR? How to use it?

Parallel Universes?

How we see in 3D?

What are trees made of? Where does its mass come from?

Internet of things?

CES 2016

Gravitational Waves

Special and General theory of relativity

Making water from air, self filling water bottle.

Move back and forth in Time! Time dilation.

Gravity lights. Glowing bulbs using Gravity.

What if we were like Flash?

Biggest moment in Science. Gravitational waves!

What is supernova?

Flying Windmills!

Magic photos! Literally Magic.

Does cell phones cause Tumor?

BMW helmet with Augmented reality (AR)

Self cleaning nano textile?

40 years of Apple Inc.

AWARDS:

My article on Cosmobc!

My blog in review by WordPress!

2016

Two versatile blogger awards