You can change your Windows Password if forget the current password

1st step: go to run then type this code lusrmgr.msc and then enter.

2nd step: open a new window then click users folder 

3rd step: The you can see your windows username 









4th step: follow my image instruction

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Do you remember Teletext

Do you remember Teletext? Do you still remember some of the page numbers of your favourite information. If so then youll be interested in this Guardian Witness project: Teletext memories: your stories and experiences. Some of this blogs younger readers probably dont even know what Teletext is. Think of it like the Web on your TV before the Web existed. 
Ceefax (in the UK) succumbed to the digital switchover nearly two years ago, but the worlds first teletext service is still remembered fondly by the slightly older TV generation. For 38 years it provided vital information to passionate current affairs readers and sports fans alike. 
TVNZs teletext service closed at midday on April 2nd 2013.

from The Universal Machine http://universal-machine.blogspot.com/

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Google Science Fair 2015 what will you try

Posted by Miriam Schneider, Google for Education team

(Cross-posted from the Google for Education Blog)

Science is about observing and experimenting. It’s about exploring unanswered questions, solving problems through curiosity, learning as you go and always trying again.

That’s the spirit behind the fifth annual Google Science Fair, kicking off today. Together with LEGO Education, National Geographic, Scientific American and Virgin Galactic, we’re calling on all young researchers, explorers, builders, technologists and inventors to try something ambitious. Something imaginative, or maybe even unimaginable. Something that might just change the world around us.

From now through May 18, students around the world ages 13-18 can submit projects online across all scientific fields, from biology to computer science to anthropology and everything in between. Prizes include $100,000 in scholarships and classroom grants from Scientific American and Google, a National Geographic Expedition to the Galapagos, an opportunity to visit LEGO designers at their Denmark headquarters, and the chance to tour Virgin Galactic’s new spaceship at their Mojave Air and Spaceport. This year we’re also introducing an award to recognize an Inspiring Educator, as well as a Community Impact Award honoring a project that addresses an environmental or health challenge.

It’s only through trying something that we can get somewhere. Flashlights required batteries, then Ann Makosinski tried the heat of her hand. His grandfather would wander out of bed at night, until Kenneth Shinozuka tried a wearable sensor. The power supply was constantly unstable in her Indian village, so Harine Ravichandran tried to build a different kind of regulator. Previous Science Fair winners have blown us away with their ideas. Now it’s your turn.

Big ideas that have the potential to make a big impact often start from something small. Something that makes you curious. Something you love, you’re good at, and want to try.

So, what will you try?

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DarkOrbit will fascinate you! Fight for prizes up to 10 000

DARKORBIT – the free browser based action shooter

• Play now and compete against thousands of real players
• DarkOrbit is a space game full of action and fun
• Browser games: No download, no installation necessary
• Fight for prizes up to $10,000

DarkOrbit will fascinate you!

Experience the infinite expanses of outer space while you fight alone or with your allies in increasingly remote sectors. Discover strange new worlds and be on your guard for mysterious aliens.

Join one of the three companies which will stop at nothing to gain power over the universe, and help you and your allies to gain wealth and power.
Build up your spaceship from a space dinghy to a feared battle cruiser and make a name for yourself in DarkOrbit!

Cilck the image to play.

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Do you want to live in a Smart City

Stephen Poole in the The Guardian has written a very interesting and thought provoking long article The truth about smart cities: In the end, they will destroy democracy that presents both sides of the vision of the future smart city; the benefits of a highly connected society and infrastructure and the potential pitfalls. With online privacy and data security such hot topics at the moment its certainly easy to see how the smart city of the future could be fraught with dangers. I recommend you read it.




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Do you want a computer for 9

Cant afford a Raspbery Pi ($35), well they have a competitor now. The ultra cheap CHIP; a 1GHz processor, 512MB RAM, with 4GB storage, WiFi, Bluetooth, support for most monitors and even a mobile capacity. It runs Linux and therefore supports many free productivity apps. As you can see from the picture its very small and so can be easily embedded in pieces of equipment. CHIP is a Kick Starter project and be honest for just $9 (US) can you not afford to own one.

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Could you fly a fighter jet with your mind

Jan Sheuermann can and she is quadriplegic, owing to a neurodegenerative disease. As part of Darpas Revolutionizing Prosthetics research track Jan was first trained to control a robotic arm with her mind alone and has recently been flying a F-35 Joint Strike Fighter (the US militarys next-generation attack jet) using a flight simulator. You can read more about this in a Wired article theres also a video.

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How good you are in SQL Simple SQL Quiz

This is a simple online Quiz to test your knowledge in SQL. At the end you can see the result.
Every time you refresh the page you will see a new set of questions.

Powered by : http://www.sqlquiz.com

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What happens if your Government unfriends you

Sounds crazy right? Perhaps not if youre Chinese. China is launching a system that gives a score to every citizen. This is partially similar to the credit scoring systems that Western nations have used for years, but it also includes a component that measures the political trustworthiness of citizens. If you are a political critic of the Government your score will go down. But, whats really sinister is that if your friends have low ratings, your rating will be reduced. This social network may encourage people to "unfriend" any friends that show dissent. We in the west are perhaps used to, and certainly aware of the fact, that our spy masters have access to our social media accounts. China is taking this a step further by building a social network into the states functioning. Read this article from the American Civil Liberties Union for more on this story. Thanks to my colleague Mark Wilson for this story.

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Do you use Internet glue

Do you use Internet glue? Do you know what it is? Basically its a web service that links two web services together; hence the name Internet glue. For example, actions  you take in your webmail system could to update your ToDo list, or add a calendar reminder. Back in January I blogged about how I use IFTTT (if this then that) to create and disseminate these blog posts. Increasingly though these systems are starting to integrate with our smartphones. IFTTT can use the iPhones location to trigger actions and can integrate with iOS reminders, contacts and the camera roll.  IFTTT has now launched on Android with a deeper set of integrations with the OS than their iOS offering. This is possible because Android has a "more laissez-faire attitude when it comes to allowing apps to extend their tentacles into core OS functions."
If you havent started using IFTTT I highly recommend you do. Not only can it smooth your workflow but it can also be fun.

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Getting your fridge to order food for you with a RPi camera and a hacked up Instacart API

This is a detailed post on how to get your fridge to autonomously order fruit for you when you are low.  An RPi takes a picture every day and detects if you have fruit or not using my Caffe web query code. If your fridge is low on fruit, it orders fruit using Instacart, which is then delivered to your house. You can find the code with a walk through here:
https://github.com/StevenHickson/AutonomousFridge

Some of my posts are things I end up using every day and some are proof of concepts that I think are interesting. This is one of the latter. When I was younger, I heard an urban legend that Bill Gates had a fridge that ordered food for him and delivered it same-day whenever he was low. That story always intrigued me and I finally decided to implement a proof of concept of it. Below is how I set about doing this.

Hacking up an Instacart API

The first thing we need is a service that picks out food and delivers it to you. There are many of these, but as I live in Atlanta, I chose Instacart. Now we need an API. Unfortunately, Instacart doesnt provide one, so we will need to make our own. 

Head over to instacart.com and set up an account and login. Then right click and view source. You are looking for a line in the source like this:
FirebaseUrl="https://instacart.firebaseio.com/carts/SOME_HASH_STRING_HERE

That string is what you need to access your instacart account. Open up a terminal and type:

curl https://instacart.firebaseio.com/carts/YOUR_HASH_STRING.json

You should get back a response that looks like this:

{"checkout_state":{"workflow_state":"shopping"},"items":{"1069829":{"created_at":1.409336316211E9,"qty":1,"user_id":YOUR_USER_ID}},"users":{"-JXAzAp6rgtM4u2dV2tI":{"id":YOUR_USER_ID"name":"StevenH"},"-Jj2_kFsu5hvZRhx4KX1":{"id":YOUR_USER_ID,"name":"Steven H"},"-Jp8VvDusSDOyEiJ0J5D":{"id":YOUR_USER_ID,"name":"Steven H"}}}

Now we just need to figure out what different items are. Pick a store and start adding items to your cart and run the same command. If I add some fruit (oranges, bananas, strawberries, pears) to my cart and then run the same curl request. I get something like this:

{"checkout_state":{"workflow_state":"shopping"},"items":{"1069829":{"created_at":1.409336316211E9,"qty":1,"user_id":YOUR_USER_ID},"8182033":{"created_at":1.431448385824E9,"qty":2,"user_id":YOUR_USER_ID},"8583398":{"created_at":1.431448413452E9,"qty":3,"user_id":YOUR_USER_ID},"8585519":{"created_at":1.431448355207E9,"qty":3,"user_id":YOUR_USER_ID},"8601780":{"created_at":1.424915467829E9,"qty":3,"user_id":YOUR_USER_ID},"8602830":{"created_at":1.43144840911E9,"qty":1,"user_id":YOUR_USER_ID}},"users":{"-JXAzAp6rgtM4u2dV2tI":{"id":22232545,"name":"StevenH"},"-Jj2_kFsu5hvZRhx4KX1":{"id":YOUR_USER_ID,"name":"Steven H"},"-Jp8VvDusSDOyEiJ0J5D":{"id":YOUR_USER_ID,"name":"Steven H"}}}

Now empty your cart and we will make sure we can add all those things to your cart with a curl request. Take your response from earlier, and use it in the following line:

curl -X PATCH -d YOUR_FULL_CART_RESPONSE https://instacart.firebaseio.com/carts/YOUR_HASH_STRING.json

Now, your cart should be full of fruit again. Now we just need a way to recognize whether your fridge has fruit or not.

Detecting fruit in your fridge

For this we just need a Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU and a Raspberry PI 5MP Camera Board Module.
Set up your camera following these instructions and you will be ready to go. Set up your camera module in your fridge (or wherever you store your fruit).

We are going to use the Caffe framework for recognizing whether fruit is in the refrigerator drawer or not. You can read about how to do that here.
We are going to set this up similarly. Run the following commands to set things up:

git clone https://github.com/StevenHickson/AutonomousFridge.git
sudo apt-get install python python-pycurl python-lxml python-pip
sudo pip install grab sudo apt-get install apache2
mkdir -p /dev/shm/images
sudo ln -s /dev/shm/images /var/www/images

Then you must forward your router from port 5005 to port 80 on the Pi
Now you can edit test.sh with your info and run ./test.sh
Or add the following line to cron with crontab -e:
00 17 * * * /home/pi/AutonomousFridge/test.sh

This script takes a picture with raspistill and puts it in a symlinked directory in memory accessible from port 80. Then it sends that URL to the Caffe web demo and gets the result.
The Caffe demo shows how well it classifies the existence of fruit as shown below:

The end result of this is a script that runs every day at 5 pm. When your fridge doesnt have fruit, it adds a bunch of fruit to your Instacart cart. You can order it at your leisure to make sure you are home when it arrives. You could also use my PiAUISuite to get it to text you about your fruit status. It can be alot of fun to make a proof of concept of an old urban legend.

Consider donating to further my tinkering since I do all this and help people out for free.

Places you can find me

• Facebook
• Google+
• Linkedin
• Blogspot
• Google-Code
• Github
• YouTube
• Twitter

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Amazon at 20 what has the online giant ever done for retail

You may not have noticed but Amazon recently celebrated its 20th birthday. You may or not be a regular user (I certainly am). It was originally billed a the "Earths Biggest Bookstore" featuring over one million titles. Twenty years later it has over 270m active accounts and claims to have more than 2m third-party vendors selling millions of products through its marketplace platform. Amazon is comfortable with the term "disruptive." Its disrupted the bookshop and publishing industries and is disrupting other retail industries. The Guardian recently published an interesting article about the impact Amazon has had - recommended.




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Inside Facebook’s Quest for Software That Understands You

My colleague, Mark Wilson, brought this excellent article on Deep Learning in the MIT Technology Review to my attention recently, Titled Teaching Machines to Understand Us it gives a very good and detailed overview of the history, current developments and challenges of Deep Learning. I work in AI but I didnt know Facebook, for example, had such an interest in this. Recommended.

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Should your car be programmed to kill you

Imagine this scenario; you are in your new driverless car and a situation arises (doesnt matter how) where the driver (the computer) has to decide between crashing into a group of young school children, probably killing several, or slamming the car into a wall and probably killing the passenger, i.e. you! Simple ethics would recommend taking a least harm approach, but that means maybe killing you. Would you buy a car programmed to kill you? Or would you prefer to buy one that would make the less ethical choice and always seek to protect the cars occupants. These ethical dilemmas are coming to the fore with the advent of autonomous systems. Several years ago the UKs Royal Academy of Engineers published a report on the ethics of emerging technologies and autonomous systems. More recently MIT Technology Review posted a piece titled Why Self-Driving Cars Must Be Programmed to Kill. My colleague, Paul Ralph, also just gave a radio interview on this subject.

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