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Research by E. Robert Schulman Charlottesville, Virginia Abstract Build an Atom - Phet Topics Atoms Atomic Structure Isotope Symbols Atomic Nuclei Description yEd - Graph Editor yEd is a powerful desktop application that can be used to quickly and effectively generate high-quality diagrams. Create diagrams manually, or import your external data for analysis. Our automatic layout algorithms arrange even large data sets with just the press of a button. yEd is freely available and runs on all major platforms: Windows, Unix/Linux, and Mac OS X.

Word Cloud Generator How the Word Cloud Generator Works The layout algorithm for positioning words without overlap is available on GitHub under an open source license as d3-cloud. Note that this is the only the layout algorithm and any code for converting text into words and rendering the final output requires additional development. As word placement can be quite slow for more than a few hundred words, the layout algorithm can be run asynchronously, with a configurable time step size. 16 cool things you can do on the Internet for free The Beatles sang it and countless philosophers have claimed it, the best things in life are free. But is it really the case? Well, if you’re hanging out on the Internet, the answer is a resounding “yes”. To see why, check out the sixteen fantastic free things you can do online down below.

Practical Physics This website is for teachers of physics in schools and colleges. It is a collection of experiments that demonstrate a wide range of physical concepts and processes. Some of the experiments can be used as starting-points for investigations or for enhancement activities. 5 Skills That Will Make You a More Valuable Filmmaker There are tons of skills that will make you a better filmmaker, but have found these 5 skills to be invaluable. Here are 5 skills that I like to see in filmmakers I hire or 5 skills he/she is willing to develop. Watch the video above to see all 5 tips and read the conclusion below to see the payoff of mastering these skills. 1. Reflective Surfaces Can Ruin Your Shots. Here Are Some Quick Fixes "Reflective surfaces are a pain in the ass," said every filmmaker ever. Say you've just canned a glorious tracking shot. When you go to review the footage, however, you're dismayed to find out that you tracked past three windows, and in every single one of them you can see the dolly and camera crew, the boom operator, and some PA holding coffee that is wandering around like a lost puppy. Almost every filmmaker I know has dealt with this problem in some form or another, and it's one that every up and coming filmmaker will encounter at some point in their lives. But what can you do to get rid of those pesky reflections that can ruin your shots?

How to Light & Shoot a Seamless White Background from Start to Finish A seamless background can make your project look like a million bucks, but lighting one can be a little tricky if you don't know where to start. Zach Arias offers up this lighting tutorial on DEDPXL to show you how to light for a seamless white, black, grey (virtually any color, really) background. If you're a stickler for details like me, one thing you'll appreciate is the utter thoroughness of the lesson. Arias breaks down not only the hows, but the whys behind every creative and technical decision he makes on his set. Check out Part 1 below. (You can also find out more in his blog post here.)

List of academic databases and search engines - Wikipedia Wikipedia list article This article contains a representative list of notable databases and search engines useful in an academic setting for finding and accessing articles in academic journals, institutional repositories, archives, or other collections of scientific and other articles. Databases and search engines differ substantially in terms of coverage and retrieval qualities.[1] Users need to account for qualities and limitations of databases and search engines, especially those searching systematically for records such as in systematic reviews or meta-analyses.[2] As the distinction between a database and a search engine is unclear for these complex document retrieval systems, see: the general list of search engines for all-purpose search engines that can be used for academic purposesthe article about bibliographic databases for information about databases giving bibliographic information about finding books and journal articles. Operating services[edit]

A Cheap & Easy Way to Create a Professional-Looking Infinite Black Backdrop Here's a cheap, simple, and professional-looking technique to add to your arsenal -- the infinite black background. Because its visuals add a level of surrealism and style, we've seen this used in music videos, dream sequences in narrative films, art films, you name it -- and chances are if you're not wondering how to pull it off, it's because your curiosity has already led you to find the answer. Filmmaker Lewis McGregor shares his insight into how to create this effect inexpensively and simply by using black material, three lights, and editing software. (No need for a huge soundstage!) If you're just starting out in filmmaking and haven't learned much about lighting and/or editing, then the technique McGregor uses is right up your alley -- especially if you don't have the cash or space, but need your project to look professional.

100 Search Engines For Academic Research Back in 2010, we shared with you 100 awesome search engines and research resources in our post: 100 Time-Saving Search Engines for Serious Scholars. It’s been an incredible resource, but now, it’s time for an update. Some services have moved on, others have been created, and we’ve found some new discoveries, too. 3 Isn't a Crowd, but You Can Make It Look Like It Is with These Cinematography Tricks What do wild parties, college lectures, massive armies, and zombie hordes have in common? If you're a filmmaker, they all require a ton of extras. But not everyone has a big enough budget or network to acquire them, which can be pretty stressful considering that at some point in your filmmaking journey, you're going to want/need to shoot a scene that requires a crowd. That's why it's crucial for every indie filmmaker to learn how to trick your audience into thinking that your five roommates (god help you) are actually a throng of wasted co-eds thrashing to EDM -- or whatever your scene calls for.

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