See how to apply exponent rules to simplify and solve equations with this free video math lesson from Internet pedagogical superstar Simon Khan. 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 (or just finish your homework or study for that next big test).
Would you know what to do if someone ingested poison? Equally important, would you know what not to do?
This swimming with the ball tutorial is a great lesson in moving with the ball in water polo. The idea is to keep it in front of you as you swim with your head up. Note the high leg kick to keep the drag low and create lots of white water to blind pursuing defenders.
Faking shots in water polo is a great way to keep defense off balance. Fake shots will often send defenders off to one or the other side. Losing the defenders during the fake allows you to get the open shot on goal. Water polo offensive techniques are designed to create more space between you and the defender.
In this video tutorial, Greg Fraser demonstrates a few tactical pressure points that might be useful in competitive water polo. This video is a must-watch for all water polo players who want to improve their grappling skills and overall defense.
Water polo is a tough contact sport that entails good grappling techniques. Watch this video tutorial to improve your underwater combat grappling skills that will definitely help you become a better water polo player.
This is basic lesson and moving diagram showing the start of a water polo game, known as the sprint.
This water bottle prank is really ingenious. You split two water bottles and recombine them to form a new, weaker frankenwwaterbottle. You fill this with water and superglue the cap on. Now, when your victim tries to open the water bottle they'll push so hard on the unopenable cap that the weak bottle will break in two, soaking them and their friends. Brilliant, devious, and hilarious.
Three time US water polo Olympian, Wolf Wigo, demonstrates some tricks he used over the years to improve his game. In this video he demonstrates head and foot juggling, picking up the ball with his head, around the world and the helicopter backhand. These are fun things players can do on their own to improve their game and have some fun. This is an excellent way to get conditioned for water polo. This also looks cool and might make you look like a water polo show off.
In this episode of Pixel Perfect, Bert shows us how to create flowing water and a photo-realistic splash effect in Photoshop. Perfect for a water fall or other water features, you'll be able to use these flowing water and splash effects in many Photoshop works of art.
Unless you're a high-schooler building a nuclear fusion reactor, the hardest part of a science investigatory project often is coming up with a good idea. You want it to be cool yet feasible, novel but still useful.
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 (or just finish your homework or study for that next big test). 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 whole numbers.
Equations involving square roots are difficult to solve because of the complexity involved in performing operations on the square root terms. But you can follow a series of steps to solve these problems easily. To solve these kind of problems first isolate the square root term on one side of the equation and the non square root terms on the other side of the equation. Now in the next step square both sides of the equation. This gets rid of the square root on the left hand side and the equatio...
This video shows the method to prove some trigonometric identities. This involves the use of algebra and knowledge of basic trigonometric identities. The video demonstrates three examples to illustrate this problem and its solution. The first problem shows a relatively simple problem involving sines and cosines. The video shows some basic algebra steps to simplify the problem and prove the identities. The second example involves a slightly complicated problem involving square of combination o...
Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those digital pictures into shape with Adobe Photoshop and Illustrator. In this episode, Ben shows you how to retouch commercial products in Photoshop.
Most wood furniture is long-lasting, durable, and resistant to great wear and tear over the years. However, set a single sweaty, wet cup or bottle on the surface of your favorite wood dining table, or your prominently placed wooden coffee table, and you'll end up with a round water ring stain that is difficult to get rid of.
If you want to make a really powerful water rocket, one water bottle is not going to give you enough propellant. You're going to have to splice two or more bottles together and do it well enough that they don't come apart. This video will show you exactly how to do it step-by-step.
Mr. O shows his audience in this video how to make oobleck, a slime-like substance which has a variety of unique properties. For this project, you will need a mixing bowl, food coloring, corn starch, a measuring cup, and water. First, color the water with food coloring to a color which is much darker than the color you would like. You will need the correct ratio of water to cornstarch, in a 1 to 2 ratio. Add some water to the bowl and add the cornstarch, then add the rest of the water. Finall...
Reflexology is a form of alternative medicine (read: no drugs involved) that involves applying pressure to strategic points on the feet and hand without lotion or oil.
Watering is the key to getting your lawn, landscaping and flowers looking lush and healthy. First-time homeowners don't always get a lush lawn to begin with— it takes time and a little care to get there, and water is what you'll need! Lowe's has the advice you need for watering your lawn.
This new and way more extreme form of BASE jumping involves a modified jumpsuit that makes you into a human airfoil. Called a squirrel suit or bird suit, this new sport is as close as man has got to flying. The barrel roll is a sweet stunt that involves a huge level of control and skill. Reach terminal velocity pretty easily in a jump.
After months of waiting, the iPhone 11 is here. At an event in Cupertino, Apple unveiled the iPhone 11, 11 Pro and 11 Pro max. You probably have a lot of questions after reviewing the specs sheet, including wanting to know more about the IP68 rating that all three phones have. We're here to clarify.
Some bacteria can already do it—generate electric current, that is—and those microbes are called "electrogenic." Now, thanks to the work of a research group from the University of California, Santa Barbara, we know how to easily turn non-electrogenic bacteria into electricity producers.
There are some practical jokes that are funny and will give everyone a good laugh including the person being prank, There there are those pranks that will annoy and infuriate anyone. These 5 pranks will do just that, especially the last one which involves 2 matches and a pen, then again we have a condom inside a water bottle prank. There just too funny and mean to describe, you'll just have to watch the video tutorial to find out how to pull them off. The best part is that they're all househo...
El Dia de los Muertos, or Day of the Dead, is, despite what its name may imply, not a spooky holiday. The Mexican celebration takes place two days after Halloween, on November 2nd, and involves visiting the graves of your loved ones and communing with them through "shared" food.
Need some help figuring out how to tackle application problems involving volume? 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 solve application problems involving units of volume.
Most people who are really serious about rocketry prefer solid-fueled rockets, but if your passion is for water rockets, then this video should help you with your advanced eater rocket project. It will show you how to construct and troubleshoot a 9mm Gardena nozzle to control water flow that costs much less than a storebought one.
In this Outdoor Recreation video tutorial you will learn how to winterizing your boat engine block. For this you will need some screwdrivers, compressed air and a flexible hose if you have a hot water heater system on the boat. First you got to drain out all the water inside the engine. Remove the two plugs from the block and one plug from the sea pot as shown in the video and drain out all the water. Be careful and don't drop the seals while removing the plugs from the engine. While the wate...
In this video tutorial, viewers learn how to unclog a toilet in 11 seconds. Users will need a plunger. It is recommended to use a pleaded plunger, instead of the regular plunger. When clogging a toilet, the rubber of the plunger is filled up with water, pushed down and squeezes out the pressurized water. The force from the pressured water will remove the clogging of the toilet. Slowly place the plunger into the water and let it be filled with water. Align it with the toilet hole and then push...
This video presentation is a tutorial of how to make a baking soda and vinegar rocket. Materials involved include a water bottle, vinegar, baking soda, toilet paper, and knife. First step is to use the knife to gouge a hole in the cap of the bottle. It should not be too large, and should be placed in the center of the cap. Once the hole is made, the cap is to be removed, and the bottle is to be filled partially to half-way with vinegar. After the vinegar is added, the baking soda is then laid...
Improve your acoustic and electric skills with this special Delta Blues piece. Watch the full video lesson to learn how to play Muddy Waters' "Can't Be Satisfied" on your blues guitar.
Learn how to play the Delta Blues with this great guitar lesson. You'll see how to play the blues song "Walking Blues", two different versions, in the style of both Muddy Waters and Son House.
If you had to answer the following statement, which answer would you choose? Water is:
Preserving the environment is not only the right thing to do—it can result in significant cost savings for your business.
If you enjoy dice games like Yahtzee that involve rolling dice in a cup, you have to learn this trick. It's called dice stacking, if you're not familiar with it, and it involves picking the dice up off the table with the cup and rolling them in such a way that they come out stacked. It makes you look like a pro.
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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve word problems involving direct variation.
See how to find the domain and range of a function implied by a word problem with this free video math lesson. 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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutor...
This video walks you through the steps of solving exponent properties involving products. This excellent video shows you a clean blackboard, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will make you feel like your back in the classroom but rather comfortably from your home.
Many of the coolest freestyle soccer tricks involve passing one leg over the ball while it's in the air. This trick, the Toe Bounce or TB, is in that vein, but with a twist. This video will show you how to do the trick, which involves swinging one leg over the ball while the ball bounces off the other foot on the ground before being caught by your swinging foot as it comes back down. Beautiful.
Vasectomy is birth control option for men which involves a surgical procedure that will prevent sperm from passing through the vas deferens. Watch this instructional video to learn more about vasectomy and see demonstrations of two occlusion techniques that involve thermal cautery of the ductus deferens.
