From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to subtract one decimal from another.
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to sum mixed numbers.
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to divide two or more fractions.
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to multiply multiple fractions with like or unlike denominators.
Tying it All Together shows how to do double loop knotting in this video tutorial. The tutorial outlines two different types of knots that can be done using two uncommon ways of tying the knots. The double coin know requires you to fold a piece of string in half laying the two sides of the string side by side. With a series of twists, turns, and coils you can create the coin knot. The second type of knot, cross knot, requires double loop knotting to create a squared-looking knot. As an additi...
The splits require an enormous amount of flexibility - however, with enough practice the splits are possible for anyone. Being able to do the splits quickly requires stretching, both at the barre and on the floor, to lengthen the hamstrings. Practice basic barre and floor stretches daily with helpful instruction from this expert: Mikael Monson is an instructor specializing in ballet and pointe at the Virtuosity Performing Arts Studio/Vancouver Elite Gymnastics Academy in Camas, Washington. Le...
This is a demonstration of making a wreath with tissue paper. For this you will require tissue papers cut into squares, golden colored yarn, golden dust. For tools you require a pair of scissors, a hole punch, glue, paper dish. To start with cut the bottom of the paper dish neatly so that the uniform rim remains. Now apply glue to the rim in the form of spots and streaks. Now take each of the tissue paper pieces crush them and press on the glue. When the whole rim is covered with crushed tiss...
This is a video showing how to make Chinese orange chicken. It requires to make the Chicken, 1lb of Chicken cut into cubes and marinated in 1 tablespoon of sherry and 1 tablespoon of cornflowers for half an hour. Two garlic cloves, minced, and 1 inch of root ginger also minced are required. For the sauce, one third of a cup of fresh orange juice mixed with 2 tablespoons of soy sauce, and 1 teaspoon of sesame sauce, 1 teaspoon of brown sugar and 4 teaspoons of chili paste. First, the wok is he...
In this video tutorial, viewers learn how to make "Filipino Bicol Express". The video provides all the ingredients that are required to make it. The ingredients required include: 6 cups of coconut milk, 2 lbs of pork cut into strips, 1 cup of shrimp paste, 1 tbsp minced garlic, 6 pieces of Thai chili peppers, 1 cup of grated ginger, 1 large cubed onion, 2 long chili peppers, 2 tsp of cooking oil, salt and pepper. The video contains slow pace and step-by-step instructions that allows viewers t...
In this video tutorial, viewers learn how to seal a nitro engine. Nitro Engines are used for R/C models. This video will help viewers learn how to protect a nitro engine from air leakage. The video provides all the materials required to seal the nitro engine. The materials required include: automotive gasket material, green slime lube and screwdrivers. This video will benefit those viewers who have an R/C model and would like to learn how to seal the nitro engine.
This is how to solder wires properly and then heat shrink them in order to insulate them. Firstly upkeep of the soldering iron is required to keep it from oxidizing. Portable versions of the iron are also available to make work more convenient. A solder sucker is required to suck up and solder left behind by the iron. Alternatively you could use a solder wick which when used with the solder iron can absorb all the solder over the circuit board. Onto the actual process, strip off some of the w...
In this video tutorial, viewers will learn how to make two pairs of simple earrings. The video provides all the materials required to make the earrings. The materials required include: freshwater pearl disk, 4 mm Swarovski crystal, bally bead accent, 2 mm silver bead, head pin, flat nose pliers, round nose pliers and wire cutter pliers. This video provides step-by-step instructions and a visual demonstration for viewers to easily understand and follow along. This video will benefit those view...
In this video tutorial, viewers learn how to weave a pouch for an MP3 player. The video lists all the materials required to make the pouch. The required materials include: cardboard, a ruler, scissors, yarn needle or bodkin, scraps of yarn or 10 crochet yarn and a marker or pencil. This video provides voice narration and a visual demonstration for viewers to easily understand and follow along. This video will benefit those viewers who enjoy homemade accessories. This is for those who enjoy we...
The replace color command is a nifty tool in Photoshop that enables you to change a color in an imagine very quickly and effectively. The tool requires that you make a copy of the original layer, as the replace color command is a destructive function. It requires parts that you want replacing to be selected first, to change the color of the desired areas. The result is a very realistically edited image, that is extremely fast and easy to accomplish.
No matter what your holiday preference, you're probably aware that Christmas is now just days away. By now, you've already decked your halls with boughs of holly (either physically or virtually), thanks to our last holiday app roundup.
Video: . This map requires the 12w37a snapshot or better, and you must turn on command blocks to use it.
The 'Juggler' trophy requires you to burn, poison, and freeze four enemies all at once in Resistance 3. The best place to unlock the trophy is probably in the Pit at Graterford, PA. Take a look at this IGN trophy guide for a little assistance.
iOS app development is not limited to Mac owners. If you want to program apps for iPhones or iPads but you only have a Windows desktop or notebook, this guide overviews the different options available to you, including the DragonFire SDK, RhoHub, and Hackintosh methods. Each has its own strengths and weaknesses, and the Hackintosh method will require you to install Mac OS X on a Windows PC.
The 'One Small Hack for Man' achievement in Call of Duty: Black Ops is available if you own the Rezurrection DLC and requires you to hack anything within the game with the hacking device. Take a look at this guide from the Achievement Hunters to learn just how to unlock the achievement for your Xbox 360 gamer profile.
The last proving ground in Bastion can be a little tricky. It requires you to use the calamity cannon weapon to stop invading enemies from destroying statues. One little trick to earning first prize in both the XBLA and PC versions of the game is grabbing the 'increased blast radius' upgrade for the cannon.
There are quite a few references in the Old World Blues DLC for Fallout New Vegas, and almost all of them require the Wild Wasteland perk. Take a look at this video to learn where to find these stealthily hidden easter eggs.
There is an awesome teddy beat (just made that up) Easter Egg song that you can unlock in the Ascension map in Black Ops Zombies that requires you to find and activate a series of teddy bears. This video will show you where they all are and how to make them work their magic.
Bulletstorm is all about creative destruction, and the Enforcer achievement / trophy emphasizes that by requiring you to earn 15,000 points in one Echoes level for 20G. This video will show you how to get the points easily in the level from the demo, Collapsed Building.
This video will show you how to play PlayStation 1 games on your PlayStation 3 without modding the system. Note, this how-to does require you open up your machine, so if you're still under warranty you may wan to think twice!
Minecraft agriculture has become the premier way to acquire massive amounts of resources from animals and enemies, and making really effective ones usually requires water trenches and canals. This video will teach you how to build perfect working trenches and canals for whatever task you need.
Who doesn't want their own dragon or two? Well, this clear, step-by-step turorial shows you how to fold two different versions, using the standard origami bird base. This craft requires one piece of paper, your hands, some patience and no fear of dragons!
When you think of robots, you probably think of things that have more than three parts. Not this robot! If you want a robotics project to try that doesn't require an MIT degree, watch this video for instructions on how to build a 'Dizzy Robot' out of only some thin tin, a pager motor, a button cell battery, and this template.
Black Ops Zombies is one of the best survival modes from a game in recent memory, and reaching the higher levels requires careful planning and strategy. This video will show you a devastatingly effective strategy for reaching high levels on the map Five in Black Ops Zombies.
Self-working card tricks are the easiest and most intuitive to perform, requiring no sleight of hand at all and relying instead on math. In this video you'll learn how to do Matching Mates, a beginner self-working card magic trick that will get your card magic up and running.
Magic tricks that will work well in crowd on drunk people are some of the most useful ones you can learn, and this trick is that in spades. It's called Healed n' Sealed, requires the construction of a trick can, and you will learn how to do it in this video.
Looking to put the finishing touches on that Haunted House? You, my friend, require the Ultimate Fog Chiller. In this clip from the folks at MAKE, you'll learn how to build one you can call your own in about an hour's time. For detailed, step-by-step instructions, and to get started building your own spooky fog machine, watch this video guide.
In Medal of Honor on the Xbox 360, one achievement that you can earn on the level Neptunes Net is "The Quiet Professional" which requires you kill 13 people in a row without being spotted. This achievement is incredibly tough to get, but, with this video, you will have your thirteenth knife kill in no time and no one will be any wiser!
Removing the engine from a snub-nosed van like the 2000 Chevy Van in this video is supposed to be difficult. If you watch this video though, you'll learn a trick that will enable you to pull the engine from your snub-nosed van in half the time usually required.
Cylinder head bolts are big, strong bolts that do much of the work required to hold your engine together. If you've taken your engine apart and are putting it back together, you're going to have to torque the cylinder head bolts to get the block back together, and this video will show you everything you need to know to do it on a 2000 Honda Accord.
Bubbles are usually soft, airy, safe things. Not when they're on fire they're not! This video will show you how to create burning bubbles using only condensed air dust remover, water, and soap. You may have seen this done in science class with gas from a Bunsen burner, but this requires much less elaborate equipment and can be done nearly anywhere! FIRE!
Some of the Madden Moments in Madden NFL 11 are pretty easy. Not this one. Nevermore is one of the games hardest Madden Moments, and careful strategy is required to beat it. This video will show you how to win it as quickly and easily as possible, getting you one step close to finishing the Madden Moments.
This in-depth video allows everyone from a computer pro to your grandmother, to sync your Gmail contacts and e-mails with your Outlook! Full, detailed instructions will guide you every step of the way! Keep everything in one program, no more tab and window switching required!
This video is a 2-for-1 special. It will teach you how to make not one, but TWO cool props for a film or costume. They are, in no particular order, a gas mask / ventilator and a laser pistol. Both look very cool, require some materials and carpentry skills, and are sure to make your next sci-fi film much more realistic and enjoyable to watch.
If you love boats but hate the open waters, the best thing you could probably do is get over your fear, or… grab some paper and make an origami sailboat. You won't need to take your feet off land with this kind of boat, unless you're jumping for joy after successful completion. This is one of the simplest origami sailboat designs out there, and requires only one sheet of origami paper.
If you have a hacked XBox 360, you've only accomplished part of the process required to allow you to played burned copies of games on your console. You also have to burn the games correctly, and part of doing that is stealth patching you ISO files to make sure that they are up-to-date and won't get you noticed by Microsoft. This video will show you how to use AGBX360 to stealth patch you files and make them ready to play.
