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How To: Chat with NASA Astronauts Live from the International Space Station on February 22nd

Inhabiting the microgravity environment on the cusp of the world's atmosphere has to be filled with some of the most unique experiences in the world. Astronauts eat, sleep, and work just as we do, except that their lives are filled with the added dangers of extreme temperatures and possible life-threatening malfunctions, all while being 240 miles up in the sky. Well, now's your chance to ask a handful of astronauts anything you ever wanted to know about life on the International Space Station.

How To: Replace Your Kindle's Broken E Ink Display Yourself

The reason Amazon's Kindle has become so popular over the past several years is due to the amount of digital books one can fit inside—over 1,000 for the smallest Kindle. Gone are the days of lugging around heavy books to school and the airport. Instead we can fit our e-readers snugly inside our bags and never worry about forgetting a book.

How To: Geekify Your Business Card with This Custom PCB Résumé Flash Drive

Whether you're job searching, networking, or just giving your information out to someone you just met at a bar, this circuit board business card made by Brian Carrigan will make sure no one ever forgets meeting you! Sure, you could buy a customized USB business card on some online shop, but if you're trying to emphasize your geek cred, why wouldn't you make your own PCB card from scratch? Carrigan used a USB controller and added an Atmel AT45DB series flash chip so that it could store his res...

How To: Draw an isosceles trapezoid

This is a video tutorial in the Education category where you are going to learn how to draw an isosceles trapezoid. This video demonstrates how to draw an isosceles trapezoid with a long base (B), a short base (b) and a 35 degree angle. First you draw the long base. Now center the short base at the center point of the long base and mark the end points of the short base with dots. Next draw perpendicular dotted lines from the dots extending upwards. Draw 35 degree angles from either end of the...

How To: Blow dry, flat iron, & protect long hair

Sick of damaging your hair with all the products and flat irons? Those products don't have to cause your hair damage if used correctly. In this two-part hair video tutorial, learn how to blow dry and flat iron long hair in a way that does not cause damage. Blow dry your hair and minimize the heat damage and breakage by following the tips in these two videos. Shampoos & conditioners are are also gone over, as well as how to use a flat iron minimally to get the results you want, with less damage.

How To: Create a huge, voluminous '60s updo with a headband

Want to look like Jacie O? The famously fashionable first lady is only comparable to Michelle Obama in terms of good taste and pretty hairdos. As JFK's presidency was in the early sixties, Jackie O sported the most popular hairstyles of the time: Beehives, major volume with curls, updos with major volume. As you can see, big hair was in no matter what hairstyle you did.

How To: Make nori (seaweed) crisps with Mark Bittman

Nori is the Japanese term for seaweed, in particular the pressed and salted kind that you can find at most Asian supermarkets. Many nori fans eat the stuff as they would chips, since nori is slightly crunchy, slightly salty, and quite addicting. But nori is exponentially healthier than your typical Lay's salt and vinegar chips.

How To: Draw a room with stairways using complex levels

Have you ever secretly pined away for a career in interior design, even though you're currently stuck in law school because, well, your parents forced you and gave you no other option? Because law school can be a bit rigid in terms of what you learn (pretty much it's just facts and figures and learning sound logic), it's important to indulge your creative side ever once in a while.

How To: Stitch a complex filet crochet and read graphs

How To Filet Crochet - Part 1 We we first heard the term "filet crochet," an image popped up in our minds of chicken fillets from McDonald's, only made from crochet yarn (yes, we were also quite hungry at the time). Well, we'll have to save the yarn foods for another time, because a filet crochet is actually a very complex, difficult crocheting pattern that requires a graph in order to get the stitches right.

How To: Calculate invoice due dates with EOMONTH in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 657th installment in their series of digital spreadsheet magic tricks, you'll learn see howto calculate Invoice Due Dates & Financial Statement Dates using the EOMONTH function including end of the month and beginning and ending dates for each quarter.

How To: Use Spotlight to find files in Mac OS X

In this video tutorial, viewers learn how to use Spotlight to find files in Mac OS X. To activate Spotlight, click on the blue magnifying glass icon in the top right corner. Then type in the term to search. Spotlight will display all the documents and files that match your search. If you click on Show All, you will have more options in Spotlight. In the Spotlight Preferences, users are able to select the categories for Spotlight to search in or not search in. This video will benefit those vie...

How To: Replace your Nintendo Wii sensor bar

Since the Nintendo Wii was first released, it has become one of the most popular gaming consoles in the video game industry. In terms of sales, the Wii has destroyed its competitors, the PS3 and Xbox 360. So there's no denying that the Wii is a pretty popular console. So in this tutorial, the great people at cnet, will show you how to replace your Wii sensor bar. It's really easy to do and will have you back in the game in no time. Enjoy!

How To: Calculate weight average atomic mass of an element

In Chemistry weight of some elements are measure in the form of Average Atomic Mass. Isotopes are found in different abundances in nature. Certain elements have many isotopes and certain elements have few isotopes. Regardless of the number of the natural isotopes, the weighted average mass takes into consideration not only the mass of each isotope, but what also its natural abundance in terms of percent as found in the nature. So when you have the mass of two isotopes of an element and are gi...

How To: Create augmented reality apps

In this video, viewers learn how to create augmented reality applications, using Papervision 3D version 2.0. Augmented reality is a term for a live direct or indirect view of a physical real-world environment whose elements are merged with virtual computer-generated imagery - creating a mixed reality. To create augmented reality applications, users require the following programs and software: Adobe Flex Builder 3, TortoiseSVN and FLARToolkit. This video tutorial is not recommended for beginne...

How To: Composite video for inserting backgrounds in sets

The Video On Demand highlights how amazing backgrounds are inserted behind characters and will show you how to composite video so your characters can seamlessly move in front of these images. Computer generated video objects may be superimposed over a background video image so as to create the illusion of a single composite scene. The leading edge of an object is detected and for a period of time the object and background video signals are mixed. After that period, only the object video is tr...

How To: Do long division without a calculator

This video shows you step by step how to do long division without the use of a calculator. The video shows viewers two different ways to solve a division problem. It first shows how to do the problem the traditional way, then it shows how to do it according to the long division process. The long division process is where you write the whole division, multiplication, and subtraction process out showing all your work. Long division is mainly used when dividing large numbers. There are three com...