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Jeffrey Friedl's Image Metadata Viewer. Can you solve the locker riddle? - Lisa Winer. The locker problem is often used as an introduction to factors, multiples, square numbers, prime numbers, and sequences. It shows that some problems can be solved using a smaller, simpler problem rather than brute force (also known as the method of exhaustion). Here is a more detailed video solution to the locker problem, and here is a related problem that uses Othello pieces instead of lockers. If you enjoyed the locker problem, you might enjoy studying figurate numbers.

Another fun problem to investigate is the handshake problem. An interesting extension is to write square numbers as the sum of odds. Love riddles? The famously difficult green-eyed logic puzzle - Alex Gendler Can you solve the prisoner hat riddle? Can you solve "Einstein’s Riddle"? Can you solve the temple riddle? Can you solve the frog riddle? The Top 100 Documentaries We Can Use to Change the World. By Films For Action / filmsforaction.org/ Jun 10, 2015 Documentaries have an incredible power to raise awareness and create transformative changes in consciousness both at the personal and global levels.

Over the last 8 years, we've watched hundreds of social change documentaries and cataloged the best of them on the site. There's now so many that we realized we needed to filter this down even further. So what follows is our list of the very best 100 - hand-picked for their quality, insight and potential to inspire positive change. All of the films have been selected because they are either free to watch online, or can be rented online. Did we miss anything really good? Which Video Do You Choose?

A Handful of Ways to Display YouTube Videos Without "Related" Content. Advertisements and "related" videos in the right hand side of a YouTube page can contain some content that you don't want to accidentally project when showing a video to students. Here are some ways to project YouTube videos in your classroom without showing YouTube's sidebar content.

Watchkin is a service that allows you to watch and project YouTube videos without seeing the related sidebar content typically seen on YouTube.com. Watchkin can be used in a few ways. You can enter the direct URL of a video into Watchkin to have the sidebar content removed. View Pure is a simple little tool that strips way all of the distractions of related videos, comments, and promoted videos.

Quietube is a handy little browser extension that removes all the clutter from YouTube allowing you to view only your selected video. SafeShare.tv makes it possible to view YouTube videos without displaying the related videos and associated comments. EDpuzzle. Ecosystem Explorer | EARTH A New Wild | Science | Classroom Resources | PBS LearningMedia.

Practical Ed Tech Tips. Storyboards | PBS LearningMedia. Photos For Class - The quick and safe way to find and cite images for class! ViewPure / Videos Without Clutter. Planet Nutshell Home - Planet Nutshell. Animations.

Allen Hoe served as a combat medic during the Vietnam War, and his two sons continued his legacy of service. His oldest son, Nainoa, eventually became a first lieutenant infantry officer with the Army's 3rd Battalion. In January 2005, while leading his men through Mosul, Iraq, Nainoa was killed by sniper fire. He was 27. On Memorial Day that same year, Allen traveled to Washington to honor Nainoa's memory, and it was there that he had a chance encounter a stranger that brought them both unforeseen comfort. StoryCorps is proud to present "The Last Viewing” alongside “1st Squad, 3rd Platoon" and "The Nature of War" to honor Veterans Day 2014. The stories come from StoryCorps’ Military Voices Initiative, which aims to bridge the gap between veterans and civilians.

Told in the voices of veterans and their family members, these films honor the service and sacrifice of the military community and tells them that we—as a nation—are listening. Funding Provided By In Partnership With. Could you win the National Spelling Bee? What is the World Wide Web? - Twila Camp. Tim Berners-Lee invented the World Wide Web, a hypermedia platform that harnesses the powers of the Internet to connect anything together – people, files, ideas, communities. He wrote a book called Weaving the Web, in which he talks about the freedom that this ability to connect things together gives us. He is also the director of the World Wide Web Consortium, which does the important work of guiding the development of the web through web standards. Although Tim Berners-Lee is the father of the World Wide Web, he does not profit from it the way other inventors profit from their inventions.

In fact, the Web is an open, de-centralized entity in which anyone can participate. Here are a few resources about the regulation of the Web and about Net Neutrality: In the spirit of open access, many groups provide free and open content via the Web. The World Wide Web isn’t just a cool place to connect with friends and share information. Energy 101: Electricity Generation. Pest Quest Landing. Video School’s Videos. Allow Us to Illustrate. Admongo.gov. VideoNot.es: The easiest way to take notes synchronized with videos! SafeShare.TV - The Safest Way To Watch and Share YouTube videos. Quietube | Video without the distractions | Youtube, Viddler, Vimeo and more.

360 Degree Aerial Panorama | 3D Virtual Tours Around the World | Photos of the Most Interesting Places on the Earth | AirPano.com. 360 Episodes. Connect-A-Sketch - Upload and connect your sketches to create clickable prototypes. Stock Photos - Free Images. Nature Soundmap. Skitch. CGP Grey. How do all the algorithms around us learn to do their jobs? **OMG PLUSHIE BOTS!! **: Bot Wallpapers on Patreon: Footnote: Podcasts: Thank you to my supporters on Patreon: James Bissonette, James Gill, Cas Eliëns, Jeremy Banks, Thomas J Miller Jr MD, Jaclyn Cauley, David F Watson, Jay Edwards, Tianyu Ge, Michael Cao, Caron Hideg, Andrea Di Biagio, Andrey Chursin, Christopher Anthony, Richard Comish, Stephen W.

How neural networks really work with the real linear algebra: Music by: Show less. Planet Nutshell Netsafe Archives. PixiClip. Videos. Vine. Browser | Smithsonian X 3D. Where Words Touch the Earth. TED-Ed. NOVA Labs. EDpuzzle. Wild Music. Stipple - Your information and images together again.

Teach With Movies - Lesson Plans in History, English, Science for High School, Middle School, Elementary, Home School. Kids.gov. Animate Your Life | Tellagami. Free photos. Everystockphoto - searching free photos. Watch2gether.com - Watch videos. Together. Easily Remove Image Backgrounds Online - Clipping Magic.

Next Vista for Learning. EduClipper. Pics4Learning | Free photos for education.