Top 25 Free Educational Video Sites

RefSeek's guide to the 25 best online resources for finding free educational videos. With the exception of BrainPOP and Cosmeo, all listed sites offer their extensive video libraries for free and without registration.

Academic Earth

Thousands of video lectures from the world's top scholars.

academicearth.org

Big Think

Video interviews with 600+ thought leaders in a range of fields.

bigthink.com

Brightstorm

Short-form online video lessons by professional educators. Free math lessons.

brightstorm.com

CosmoLearning

Aggregator of free, online video lessons and documentaries.

cosmolearning.com

Coursera

Lectures taught by world-class professors and reinforced through interactive exercises.

coursera.org

EdX

Courses designed specifically for interactive study via the web.

edx.org

Futures Channel

High quality multimedia content ideal for use in the classroom.

thefutureschannel.com

Howcast

Professional and user-generated how-to videos.

www.howcast.com

Internet Archive

Collection of more than two-hundred thousand free historical videos, many academic.

archive.org

iTunes U

Free lectures, language lessons, audiobooks, and more accessible via Apple iTunes.

Apple iTunes - Apple iTunes Software

Khan Academy

Self-pased learning with extensive video library, interactive challenges, and assessments.

khanacademy.org

Learner.org

Professionally developed programming for K-12 classrooms.

learner.org

Math TV

Professional video lessons in mathematics. Covers basic math through calculus.

mathtv.com

MIT Open CourseWare

Lectures and course materials for students, teachers, and self-learners.

ocw.mit.edu  |  Also see: OpenCourseWare Finder

MIT Video

Guide to more than 11,000 interesting MIT videos and lectures.

video.mit.edu/

NeoK12

Aggregator of high-quality educational videos from around the Web.

www.neok12.com

ResearchChannel

3,500 videos from distinguished researchers and scholars.

youtube.com/user/ResearchChannel

PBS

Free videos from your favorite PBS programs, including NOVA and Frontline.

video.pbs.org

SchoolTube

Video sharing platform for schools featuring original content created by students.

www.schooltube.com

SchoolsWorld

Engaging, professional videos and practical resources for educator development.

www.schoolsworld.tv

SnagFilms

Library of free, full-length documentary films.

www.snagfilms.com

TeacherTube

Online aggregator of educational videos.

www.teachertube.com

TED

Fascinating presentations by the world's leading thinkers and doers.

www.ted.org

Videojug

Collection of videos from professors, professionals, coaches, teachers, and consultants.

www.videojug.com

WatchKnowLearn

Comprehensive online directory of educational videos aggregated from across the Web.

www.watchknowlearn.org

WonderHowTo

Search engine and directory of free how-to videos.

www.wonderhowto.com

Open Yale Courses

Free access to a selection of introductory Yale courses.

oyc.yale.edu

YouTube EDU

Free lectures from more than one hundred colleges and universities.

www.youtube.com/edu  |  Also see: Talks@Google

Additional sites that are not free but offer outstanding content:

BrainPOP

Provider of original, animated educational videos. Subscription required.

www.brainpop.com

Cosmeo

30,000 video segments from Discovery Education. Subscription required.

www.cosmeo.com  |  Also see: Discovery Education Streaming

general interest

Hulu

Joint venture between NBC Universal and News Corp. Features TV shows and movies.

www.hulu.com  |  Also see: PBS, National Geographic

Metacafe

Specializes in short-form original video content.

www.metacafe.com

Vimeo

Upload, share, and explore user-generated videos.

www.vimeo.com

YouTube

Hosts millions of user-generated and professional videos.

www.youtube.com

credit:- http://www.refseek.com

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List Of All Top Android Versions

Android is a Linux-based operating system for mobile devices such as smartphones, multitasking phones and tablet computers such as the Galaxy Tab. It is developed by the Open Handset Alliance led by Google.Google bought over the initial developer Android Inc in 2005, to gain total control of the Android Franchise, today it is worth several hundred times what it was bought for.The Android franchise has a total of 9 versions, the names of which have been illustrated below. 

The following names are used for the currently existing Android releases. Note that versions 1.0 and 1.1 were not publicly named. However, Android 1.1 was internally referred to as "Petit-Four" (noted in Traroth's answer, confirmed here):

see also :- How To Block PopUp Ads On Your Android Smartphone

Cupcake:

• Android 1.5

Donut:

• Android 1.6

Eclair:

• Android 2.0
• Android 2.1

see also:- 30+ Secret Codes Of Android Devices

Froyo: (short for "frozen yogurt")

• Android 2.2

Gingerbread:

• Android 2.3

Honeycomb:

                                      

• Android 3.0
• Android 3.1
• Android 3.2

Ice Cream Sandwich:

• Android 4.0

see also:- 10 Android Tips and Tricks

Jelly Bean:

• Android 4.1
• Android 4.2
• Android 4.3

see also :- Top Features Of Android Jelly Bean

KitKat:

• Android 4.4 (confirmed)

see also:- How to Unlock Android Pattern Lock And Password Lock

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Top 10 Best Firefox Add-ons of 2014

Firefox is one of the best browsers out there. If used correctly, the effect can be pretty awesome. Let's have a look below for 12 addons which can help you improve the usage of Mozilla Firefox.

1.Collusion:

allows you to see which sites are using third-party cookies to track your movements across the Web. It shows, in real time, how that data creates a spider web of interaction between companies and other trackers.

2.URL Fixer

corrects typos in URLs that you enter in the address bar. For example, if you type google.con, it will correct it to google.com (asking first, if you enable confirmation). One reviewer of this add-on says it’s a “huge time saver” — and who doesn’t need to save time?

3.PearlTrees.

Collect, organize and share everything you like with your new visual and social library. Pearltrees’ unique visual interface lets you have all your interests at hand and inspires you with other’s collections.

4.TwitBin.

It allows you to keep up with all of your Twitter conversations right from your browser sidebar. Send messages, receive messages, share links, and more

5.Memonic Web Clipper,

which lets you capture content snippets on any page and choose sections of websites to save, share and discuss with friends. Keep more than just links: Save the essential content snippets and use them on any computer or mobile. Memonic combines the advantages of bookmarks with your private online notebook

6. 365scores Notifier

lets you get all the scores, updates and other information about your favorite teams in real time.

7.Do Not Track Plus

Firefox already has a feature called Do Not Track, which allows you to tell Websites not to track your online activity

8. Cheevos for Firefox

Want to learn about Firefox and brag to your friends about your pro-level Web surfing? May’s add-on choice Cheevos for Firefox— gets you there. With this add-on you gain achievements for using Firefox, whether it’s finding hidden Easter eggs within the product, or taking advantage of the power of the browser. It makes using the web more fun

9.Tab Badge,
which gives an alert on any one of your open tabs letting you know when there’s something new on that page.

10. Fabtabs

It was a big hit with Firefox users. By taking a small screenshot of the website you are currently viewing, and calculating the most commonly used color from that screenshot, Fab Tabs tries to take the one essential color from the website and apply it to the tab to not only makes your tabs look fabulous, but to help you navigate your tabs visually.



You may downloads all the addons from here:
https://addons.mozilla.org/en-US/firefox/

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J.A.R.V.I.S : Artificial Intelligence Assistant Operating System for Hackers

A group of Indian Hackers has designed Artificial Intelligence Assistant Operating System called 'J.A.R.V.I.S' , who recognizes them, answer questions, tweet for them and Collect information, scan targets for them.

Chiragh Dewan, a 18 year old student who is currently pursuing his BCA has taken the initiative to be the first Indian to complete this project J.A.R.V.I.S , which is inspired by Iron Man’s (movie) artificial intelligence assistant Jarvis.

With his team of 7 including Himanshu Vaishnav, Mayur Singh, Krishanu Kashyap, Vikas Kumar, Vinmay Nair and Sravan Kumar, they are about to finish the 3rd level of the project.

Their long term goal is to create an OS which could adapt itself according to the user's needs. Like if a doctor is using the OS, it will adapt itself so as it is capable of helping him out in his field like searching for new techniques, medicines, help in their research, etc. Add for architects, other professions. 

Project Task Completed: In the current version of Jarvis v1.0, it is capable of:

• Answering questions asked by the administrator
• Compile reports on any topic asked by the user.
• Control lights by voice.
• Basic interaction with the user.
• Handling Facebook, Email and Social profiles of users
• Using Twitter Account with voice control
• Basic OS kernel is ready.
• Can Scan targets for Hackers
• Gathering Basic information about the target

All the above functionalities are completely controlled by voice. It has only been four months since they have started this project and have achieved a lot in this short period of time.

The team will announce the OS publicly soon after completion of phase 3, but for now Chiragh proudly shows off his creation on the J.A.R.V.I.S project website.

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Top 7 Best Operating System For Hacking

Hacking is not an art than can be mastered overnight, it requires dedication and off-course time. Have you ever thing why Hacking is possible because of “unaware developers and inappropriate programming techniques” . As a Ethical hacker i personally realize that You can never stop hackers to hack something, you can just make his task harder by putting some extra security. if you are really interested in Hacking, You need to be know Which Operating systems are used Hackers.

Today i want to say u that which is the best operating system for hacking a/c hackers .
1.  Kali Linux :-

Kali Linux is an advanced penetration testing tool that should be a part of every security professional’s toolbox. Penetration testing involves using a variety of tools and techniques to test the limits of security policies and procedures. What Kali has done is collect just about everything you’ll need in a single CD. It includes more than 300 different tools, all of which are open source and available on GitHub.

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2. BackTrack 5r3 :-

The evolution of BackTrack spans many years of development, penetration tests, and unprecedented help from the security community. BackTrack originally started with earlier versions of live Linux distributions called Whoppix, IWHAX, and Auditor. When BackTrack was developed, it was designed to be an all in one live cd used on security audits and was specifically crafted to not leave any remnants of itself on the laptop. It has since expanded to being the most widely adopted penetration testing framework in existence and is used by the security community all over the world.

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3. BackBox Linux :-

BackBox is a Linux distribution based on Ubuntu. It has been developed to perform penetration tests and security assessments. Designed to be fast, easy to use and provide a minimal yet complete desktop environment, thanks to its own software repositories, always being updated to the latest stable version of the most used and best known ethical hacking tools.

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4. Samurai Web Testing Framework :-

The Samurai Web Testing Framework is a live linux environment that has been pre-configured to function as a web pen-testing environment. The CD contains the best of the open source and free tools that focus on testing and attacking websites. In developing this environment, we have based our tool selection on the tools we use in our security practice. We have included the tools used in all four steps of a web pen-test.

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5. NodeZero Linux :- 

Penetration testing and security auditing requires specialist tools.The natural path leads us to collecting them all in one handy place. However how that collection is implemented can be critical to how you deploy effective and robust testing.
All though NodeZero Linux can be used as a “Live System” for occasional testing, its real strength comes from the understanding that a tester requires a strong and efficient system. This is achieved in our belief by working at a distribution that is a permanent installation, that benefits from a strong selection of tools, integrated with a stable linux environment.

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6.  Knoppix STD :-

STD is a Linux-based Security Tool. Actually, it is a collection of hundreds if not thousands of open source security tools. It’s a Live Linux Distro, which means it runs from a bootable CD in memory without changing the native operating system of the host computer. Its sole purpose in life is to put as many security tools at your disposal with as slick an interface as it can.

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7.  CAINE :-

CAINE (Computer Aided INvestigative Environment) is an Italian GNU/Linux live distribution created as a project of Digital Forensics
CAINE offers a complete forensic environment that is organized to integrate existing software tools as software modules and to provide a friendly graphical interface.

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see also:- How to Make your own operating system

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