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Lightning. High-speed, slow-motion lightning video captured at 6,200 frames per second.


Lightning electrification[edit] This article incorporates public domain material from the National Oceanic and Atmospheric Administration document "Understanding Lightning: Thunderstorm Electrification". The main charging area in a thunderstorm occurs in the central part of the storm where air is moving upward rapidly (updraft) and temperatures range from -15 to -25 Celsius The details of the charging process are still being studied by scientists, but there is general agreement on some of the basic concepts of thunderstorm electrification.

The main charging area in a thunderstorm occurs in the central part of the storm where air is moving upward rapidly (updraft) and temperatures range from -15 to -25 Celsius, see figure to the right. When the rising ice crystals collide with graupel (soft hail), the ice crystals become positively charged and the graupel becomes negatively charged. General considerations[edit] HARDWARE. 29 Incredibly Useful Websites You Wish You Knew Earlier. There are so many wonderful websites around, and it is difficult to know each and every one of them.

29 Incredibly Useful Websites You Wish You Knew Earlier

The below list provides some of those websites that I find particularly helpful, even though they are not as famous or as prevalent as some of the big names out there. 1. BugMeNot Are you bugged constantly to sign up for websites, even though you do not wish to share your email? If yes, then BugMeNot is for you. 2. This nifty little website tracks whether the emails sent by you were opened and read by the receiver. 3. If you are on a constant lookout of free full length movies, then Zero Dollar movies provides a collection of over 15,000 movies in multiple languages that are available to watch for free on Youtube. 4.

40 Google+ Tips & Tricks For Power Users. July 27, 2011, 8:24 AM — Google+ is all the rage right now.

40 Google+ Tips & Tricks For Power Users

Even under its limited-invite "field trial" phase, the social sharing service is growing in leaps and bounds, with oodles of new users joining every day and even more champing at the bit to get in. Most of us, however, are only beginning to scratch the surface of what Google+ can do; like many Google products, G+ is brimming with advanced features and untapped tweaks. That's why I decided to put together this massive list of Google+ tips and tricks. 100 Best DIY Sites On The Web. 100 Best DIY Sites on the Web Saturday, February 26, 2011 at 6:06pm by Site Administrator DIY offers a great way to take on personal projects and make things your own.

100 Best DIY Sites On The Web

Although often DIY focuses primarily on home improvement, the DIY ethic expands out to arts, technology, and so much more. A Liter Of Light *Official Version* Antennas and Digital Television. Broadcast TV stations in the U.S. have switched from analog to digital transmissions.

Antennas and Digital Television

This Fact Sheet provides information on TV antennas and tips for obtaining good quality reception of digital broadcasts. What Kind of Antenna Do I Need to Receive Digital TV Signals? To receive digital TV signals from all stations, it is important that your antenna be able to receive both VHF channels (channels 2-13) and UHF channels (channels 14-51). Some antennas only provide good reception of VHF or UHF channels, but not both. For example, indoor “rabbit ears” usually need to be augmented with an additional “wire loop” or “bowtie” antenna (see pictures below) in order to pick up signals on UHF channels. Best Windows Software. Windows is bathed in a sea of free applications.

Best Windows Software

Which ones can you trust and which ones are the best? Consult this list for ideas and discover apps you didn’t know existed. We’re continuously seeking out the best Windows software for all your needs. Almost all of the applications are free and you can quickly find what you need by browsing the listed programs by category. Note that some installers pack bloatware, useless adware that’s pre-selected to install. Last updated: December 19 2014. Books. Computer Help. Computer and Personal Info Security. DIY Energy & Energy Saving. Free Online Courses.

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Google Tips, Tricks & Hacks. Green Building Construction. Hobbies. Hardware. Internet Tips And Secrets. Misc. Misc. MS Windows. Online Converters and Downloaders. Download PDFedit software for free. PearlTrees Info & Tools. Photography. Random Stuff. Robotics AI... The animated guide to Building a PC. Learn to build a PC from scratch with PCitYourself! Reference Stuff. Tech. Technology. Useful Online Tools. Ultimate Guide to Google Plus. I’ve seen quite a few people who don’t understand Google Plus or think Google Plus is some sort of wasteland with giant swaths of inactivity.

Ultimate Guide to Google Plus

I was one of these people until I decided to dive in and really explore the social network and become active on there to see what this G+ thing is all about. The end result is this guide, a complete Google Plus guide for the person who is just getting started, or quite simply, started but staring at a boring feed with zero activity. Take a look at the sections below and click any section that has your interest. The Google Plus Beginner Guide Sections When browsing this guide, you can click the below links to jump to the section you are interested in. Useful programs.