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...
Many adults lose sight of what a fun holiday Halloween can be for them as well as their kids. Does dressing up in costume and drinking brightly-colored sweet cocktails ever get old? Watch this video to learn how to mix two delightful Halloween cocktails, a Brain Hemorrhage and a Pumpkin. Drink up!
In this clip, learn how to skillet fry chicken in order to get that juicy on the inside/crispy on the outside texture. This intensely flavorful dinner is perfect for any occasion and will satisfy both kids and adults. Enjoy!
Broccoli is one of the foods that terrifies children but is very popular among adults both for its nutritional value and it hearty taste. This video demonstrates how to cook a recipe for roasted broccoli with Parmesan cheese. Delicious and savory, this is one vegetable side dish that you won't have any problem getting your guests to consume.
In this tutorial, learn how to perform a quick and easy magic trick. In this trick, you will make it look like a tea towel is haunted and being pushed around by ghosts.
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.
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.
Being in your twenties is tough. You're not a child anymore, but also not quite a full-fledged "adult" yet. Sure, you do adult things like cook asparagus sometimes, but you're also sweating about securing enough likes on your social media posts.
Older adults may sometimes have more difficulties sleeping as they grow into their mature years. Follow these tips to get good, healthy sleep at any age! Create a calm, peaceful environment so your bedroom can become a great place to get well needed rest.
Straw Bale mazes are fun for children and adults a like and are a great way of having fun with the whole family! In this video you'll learn how to put create the maze, pull together volunteers, and get the sponsors you need!
Poisoning can happen to both children and adults, and is one of the most preventable forms of illness that exists. Poisoning can sneak up on your in various ways including household products, expired medications, foods and even alcohol. So, take the tips in this clip from Dr. Savant and avoid this unnecessary illness in your household.
Still wearing a clip-on in your adult life? It's time to take the clip on off, and learn to tie a tie... and while you're at it, how to tie a tie in multiple ways! In this video, learn how to tie a double windsor knot.
Chiropractors always come home from a hard day's work with a smile on their face because so many adults have back pain that just won't go away.
Goofy is iconic. He is that lovable pooch from Disney's classics. Everyone has memories of Goofy from their childhoods and now you can bring him back to life as an adult! Check out this video and learn how to sketch Goofy by hand just like a cartoonist.
Adults lose 10 cups of water daily through normal activities, and heat, exertion, or illness can increase that amount. Pay attention to the thirst, dry mouth, dizziness, and tiredness that dehydration can cause—before a little problem becomes a dangerous. Learn how to cure mild dehydration.
Watch this instructional knitting video to attach a single crocheted half circle ear flap to a single crocheted baby beanie. Use a tapestry needle to thread some yarn. This same process can be applied to adult caps and hats. Just use a larger needle and thicker yarn. It's easy to sew crocheted pieces together with regular yarn for an almost invisible seam.
This how to video teaches kids how manners are important to be used as adults. Even something as simple as saying please and thank you makes a big difference in how people people respond to you and how you feel about others. Watch this video etiquette tutorial and learn how to teach children to be polite, and maybe even learn a few things yourself.
You don't need any snow to build this awesome sled kite. After some simple steps in this how to video tutorial you'll be soaring the skies in no time! For this sled kite project you will need: garbage bag, bamboo sticks, cloth tape, scissors, magic marker, yard stick, and a hole punch. Have fun creating your kite with an adult helper.
This instructional how to video will show you how to build a traditional Japanese bowed kite that's simple to make and has great soaring ability. Just watch and learn to make a battle kite. For this project you will need: rip-stop nylon, wooden dowels, cloth tape, double stick tape, scissors, string, toothpicks, yard stick, pencil, paper. Have fun creating your kite with an adult helper.
This creative kite is perfect for high flying! Watch this instructional how to video to learn how to build an intermediate level Korean kite. For this project you will need: rip-stop nylon, bamboo sticks, cloth tape, double stick step, scissors, magic marker, yard stick, toothpick, string and fuzzy string. Have fun creating your kite with an adult helper.
Get ready to make the kite that helped discover electricity! Watch this instructional how to video and learn to make a diamond shaped kite. For this project you will need: garbage bag, wooden dowels, cloth tape, string, scissors, magic marker, yard stick, toothpicks and ribbon. Have fun creating your kite with an adult helper.
This kite's cool rectangle shape and easy assembly will have you flying high in no time!
This awesome kite has a long tail just like a dragon and is traditionally flown to celebrate the Chinese New Year! Watch this instructional how to video to learn how to make a dragon shaped kite. Have fun creating your kite with an adult helper. For this project you will need: rib-stop nylon, bamboo dowels, cloth tape, pencil, scissors, and gold tinsel.
This Japanese kite is a terrific flyer and exciting to make! Watch this instructional how to video to learn how to make a Suruga kite. Have fun creating your kite with an adult helper. For this project you will need: rib-stop nylon, bamboo dowels, cloth tape, double stick tape, scissors, and string.
Today's word is "obesity". This is a noun which means excessive fatness.
Board game enthusiast Scott Nicholson reviews a new game each week showing you the pieces and rules of play, as well and demonstrating the game with friends. This weeks game, Heroscape, is about buying and fighting with miniatures for kids and adults put out by Milton Bradley.
Learn the secrect of the floating card trick. Kids as well as adults will love it.
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.
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.
Even before we are born, our immune system is hard at work. New research shows how the developing fetal immune system takes advantage of the time and opportunity of gestation — in the presence of mom's cells and tissues — to develop a sense of self.
Though many students spend four years of high school learning a foreign language, most of us probably retained very little. Chalk it up to the carelessness of youth, but chances are you've since been in situations or places that left you wishing you paid more attention in class or had continued practicing long after you graduated.
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.
If you are an avid party-thrower, moviemaker, or are involved in some other activity that involved you frequently using fog machines, you're probably sick of paying for the fluid to make them work. No more! Watch this video for a guide to making your own cheap DIY fog machine juice / fluid at home.
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 weight in basic arithmetic.
If for no other reason than the fact that you're bored beyond belief during spring break or holiday and you need something involved and fun to do fast, this tutorial shows you a great way to pass the time. And unlike simply sitting on the couch and pigging out or shopping with your mom and sister it actually involves some brain work, too!
