The psychology of self-motivation | Scott Geller | TEDxVirginiaTech

This plane will be able to fly anywhere in the world within 4 hours

The engine will be able to fly in outer space too.

FIONA MACDONALD   13 DEC 2014

British aerospace firm Reaction Engines Limited is working on an engine system that will be able to take 300 passengers anywhere in the world in just four hours.

Even more impressively, the engine will also be used to fly a plane in outer space, as Business Insider reports.

The engine system is called SABRE, and it relies on a device called the precooler – technology that cools down the air entering the engineer system by more than 1,000 degrees Celsius in .01 seconds. That corresponds to an unheard-of cooling rate of 400 megawatts, and will allow the plane to “breathe” oxygen.

This means that the engine system will be able to run at a much higher power than is currently possible

According to Reaction Engines, SABRE will be used inside two upcoming plane models – LAPCAT A2, a commercial plane that will be able to transport passengers from Brussels to Sydney in “two to four hours”, and also the ambitious SKYLON, an un-piloted and re-usable space plane that aims to provide cheaper access to space.

As chief engineer Alan Bond explains in the video below, the LAPCAT A2 will be able to “pretty easily” fly around the world at an incredible Mach 5 – five times the speed of sound.

The precooler system weighs around a tonne, and, as Business Insider explains, is made up of a swirl of thin pipes that are filled with condensed helium. These pipes suck heat from the air, cooling it down to -150 degrees Celsius before it enters the engine.

The company is already testing the SABRE engine system, and is planning the first test flights for a tantalisingly close 2019.

SKYLON, the plane that will take us into outer space, will be 82 meters long and, although it’ll fly like a rocket in the air, it takes off and lands horizontally like a normal plane, which will make it more versatile. The model is estimated to cost around US$1.1 billion each.

Unfortunately, the plane won’t have any windows to look out of, but if new developments in aviation are anything to go by, that might not be such a bad thing – companies are now putting cameras on the outside of the planes and live streaming a 360 degree view on the inside walls or passengers.

Imagine being able to see this while flying through outer space.

Atmega16 IC

ATmega16 is an 8-bit high performance microcontroller of Atmel’s Mega AVR family with low power consumption. Atmega16 is based on enhanced RISC (Reduced Instruction Set Computing, Know more about RISC and CISC Architecture) architecture with 131 powerful instructions. Most of the instructions execute in one machine cycle. Atmega16 can work on a maximum frequency of 16MHz.

ATmega16 has 16 KB programmable flash memory, static RAM of 1 KB and EEPROM of 512 Bytes. The endurance cycle of flash memory and EEPROM is 10,000 and 100,000, respectively.

ATmega16 is a 40 pin microcontroller. There are 32 I/O (input/output) lines which are divided into four 8-bit ports designated as PORTA, PORTB, PORTC and PORTD.

 ATmega16 has various in-built peripherals like USART, ADC, Analog Comparator, SPI, JTAG etc. Each I/O pin has an alternative task related to in-built peripherals. The following table shows the pin description of ATmega16.

How to use WhatsApp Web Version

WhatsApp, the most popular cross-platform mobile messaging app has over 600 million active users. The world's popular mobile messenger has now landed on laptops, desktops, and basically any computer capable of running Chrome browser. If you haven't managed to do it yet, here's an easy step-by-step guide to use WhatsApp on PC.

1. Make sure that your phone supports this feature. Currently, WhatsApp works with Android, iOS, Windows Phone, BlackBerry, Nokia S60 (Symbian), and Nokia Series 40 devices

2. Open Chrome browser on PC/Laptop and type in web.whatsapp.com

3. You'll see a QR code on the PC screen
4. Open WhatsApp on your smartphone. Click on Options, then select WhatsApp Web. If you don't see this option, update the app

5. A QR code scanner will pop-up on your phone. Point it at your browser windows

6. WhatsApp web interface will load in your browser. Depending on your Internet connectivity, it might take up to a minute

Enjoy WhatsApp on your PC now.

Google adsense invalid clicks solution

What Is So Important About An Invalid Click and How Will It Affect Me?
 More than anything, an invalid click is a big no-no and it will get your account terminated faster than anything else.  Having said that, an invalid click is when a publisher clicks on their own ads to add to their earning potential .  It’s also when a publisher asks others to click on their ads just to raise their revenue.  It also raises the advertiser’s costs and Google won’t tolerate this.  Google Adsense has state of the art technology and they know what’s going on.
 Invalid clicks also happen when someone uses robots to click on ads or automated software.  It is any deceptive practice used to click on ads.
 Invalid clicks are also unnecessary as there are plenty of money-making opportunities with valid clicks.  With an optimized website, useful content, and attractive ads, there’s no reason for anybody to even entertain the idea of using invalid clicks.
 Having Control Over Your Adsense Account
 You the publisher, have complete control over the advertisement that runs on your site.  You can choose to run only image ads, only text ads, or a combination of both.  Google recommends that you choose a combination of both to maximize your earning potential, but the decision is yours.
 When making your ad decision, you also have the freedom to choose which type of ads run across your entire account (image or text) or you can narrow that decision to what type of ad might run on a particular page.
 As of right now, you are not able to differentiate your image ad click rate from your text ad click rate.  You can of course, differentiate your click rate from one site as opposed to another site.  Say, for example, you run only image ads on one site and only text ads on another site.  By setting up channels to track both sites, you can see which site has the better click rate.  Of course, you have to take into consideration there would be more factors than whether you were running text or image ads.  The content, the placement of the ads in general, even the color could make a difference.
 Refer to the Google Adsense Support Site for specific instructions on how to enable or disable image ads.  Remember, it’s all up to you!

World top Humanoid Robots

A humanoid robot is a robot with its body 

shape built to resemble that of the human 

body.


Asimo

Honda's iconic white android, ASIMO, has stunned robot enthusiast's world over. Though it looks similar to other models, the humanoid robot can run and walk with ease. It almost seems like a human being inside the robotic suit. It is the world's most advanced humanoid robot.

Satoshi Shigemi, the robot's lead developer, the little robot has advanced from an "automatic machine" to an "autonomous machine".

Asimo can now look at what's around and modify its behaviour accordingly – for example, to avoid colliding with a person walking towards it. Its sensitive hands can grasp a paper cup without crushing it and it is fluent in both American and Japanese sign language

Apple iphone7 release date and all you want know

Apple iPhone 7 Release Date and all you want to know

To all the fans of  Apple iPhone lovers, new Apple iPhone will going to arrive in the market. Why I am telling this because it is a trend of the company that whenever they update their iOS they launch a new iPhone after some days. the rumors for iPhone 7 also started with the arrival of iPhone 6 and iPhone 6 Plus. Well I don’t say that the new iPhone will be I phone 7, it can be iPhone 6s and the rumors about the new iPhone is so high on the internet that most of the people want to skip the current generation of Apple iPhone and planning to buy the new iPhone.

I know that their will be some question in your mind related with the name, size, screen, camera and look of the new Apple iPhone. So here are answers for you.

What’s in the name?

Its Apple and they are always ahead from other mobile companies. So, don’t worry either they launch the new iphone with name iPhone 6s or iPhone 7 the features of this phone will be awesome and better than others

Display

Display will be bigger than iPhone 6 forgot what Steve Jobs say about the big screen, nowadays iPhone is going bigger than earlier. They will enhance the user-friendly touch navigation for users, their are rumors regarding the inclusion of TouchID sensor.

They will use sapphire glass to make the display of new iPhone. Sapphire glass is more durable and resistant than Gorilla glass. For body of iPhone they can use liquid metal which is better and more durable than aluminum

Camera

In Camera, Apple iPhones are best. Their picture quality is similar to DSLR cameras. In iPhone 7 they are providing a camera of 14 megapixel primary camera and 4 megapixel front camera. It means that if you have iPhone 7 than their is no need of extra camera to carry with you.

Processor

It is the backbone of any mobile. When it comes to processor, Apple hab always delivered the best of technology and iPhone processor always  give you a faster and better performance.  According to rumors in iPhone 7 Apple will use quad-core A8 processor or even a better than this to take iPhone 7 to a new level.

Memory

Currently iPhone 6 Plus is giving a storage space of 128 GB. So, in iPhone 7 you can expect more than that. According to me it could be 256 GB or even more.

Battery

In their new iPhone they could replace the traditional Li-On battery . They could use a battery will increase the hours in a single charge and will be environmental-friendly.

Other Applications;

According to rumors several  new innovative applications are coming in App Store for iPhone 7 .

Their is a hope of a in-built projector in new iPhone7.

This iPhone will provide you a superb internet connectivity.

iPhone 7 Release Date

I am sure that many of you want the answer of this million dollar question. Well, if I believe on rumors than the iPhone 7 will be released in the third quarter of the year 2015 across the world.

iPhone 7 Price

iPhone 7 will be the father of all iPhones. It will provide better performance, more apps, better display and advance processor .So, iPhone 7 will going to be more costlier than all existing iPhone. Its price can be anywhere between $649 and $849

Update others about iPhone 7 by sharing this post on different social networks.

Science Zone: India's Biggest Robotic challenge prize Rs4lac

Science Zone: India's Biggest Robotic challenge prize Rs4lac: The Science zone presents India's Biggest Robotic challenge

Robowar

As we know robowar is very interesting game so we made a robot for robowar.

thing we need..

1) 2 high torque motors

2) some Mild steel's strips

3) some wire and power source.

4) a workshop
Robowar has been played between two robots inside a arena which is protected by walls.

dance competition in college performance

Charlie Hebdo

Yesterday the world witnessed another terror attack in the name of religion and this time the target was a French weekly magazine namedCharlie Hebdo. I with deep respect to all the faiths, will try to do my part and showcase some of the bold covers did by the magazine. I don’t want to comment on who is peace loving, terrorist but we need to think. Think hard on WHY. So let us start with the latest cover of the magazine and then we move onto their journey from 2001 to this day with English translation.

courtesy: Business Insider

Grace Flows: Guruji's quotes at TTC (Dec 2009)

Grace Flows: Guruji's quotes at TTC (Dec 2009): “The entire human race is trying to express love and has not reached anywhere. What is needed is the middle path. Love has to be expressed v...

Atmega 16 development board project

Humanoid working robot

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What to do after btech?

ece gate questions

parallel plate capacitor has its length, width and separation doubled. It fringing effects are neglected, to keep the capacitance same, the dielectric constant must be

A. halved
B. kept the same
C. doubled
D. made 4 times

Answer & Explanation

Answer: Option A
Explanation:

. When dimensions are changed, A become four times and d becomes twice.
Since ∈0 is constant, ∈r must be halved to keep C constant.






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17. 
Assertion (A): In imperfect capacitors, the current does not lead the applied ac voltage by 90°.
Reason (R): When subjected to ac fields, the dielectric constant can be expressed as ∈'r - j∈"r.

A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true













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18. 
In atomic physics, a state with l = 0 is called p state.

A. True B. False












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19. 
If a sample of germanium and a sample of silicon have the same impurity density and are kept at room temperature

A. both will have equal value of resistivity
B. both will have equal negative resistivity
C. resistivity of germanium will be higher than that of silicon
D. resistivity of silicon will be higher than that of germanium












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20. 
When an electric field E is applied to solid and liquid insulating materials, the internal field Ei acting at the location of atom is such that

A. Ei = E
B. Ei > E
C. Ei < E
D. Ei may be equal to or less than E












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Read more:Materials and Components - Section 2
Materials and Components - Section 3
Materials and Components - Section 4
Materials and Components - Section 5
Materials and Components - Section 6
 


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electronics and communication engineering questions

If the diameter of a wire is doubled, its current carrying capacity becomes

A. one-fourth
B. half
C. twice
D. four times
 

how to prepare civil services exam in two years.

civil services exams are the toughest competitive exam in India due to less than 1000 jobs per year and lakhs of students applied to this exam.
exam will consist of three phases first prelim exam then main examination and finally interview.The prelims are easy to crack as it requires only basic understanding of general science,aptitude and communication skills.two paper are there in prelims which consists of objective type questions having 100 questions,the questions are based on conceptual understanding of each subject like history,geography,environment science,general studies.paper 2 consists of aptitude test containing general aptitude,comprehension.