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 find the partial derivative of a vector-valued function in linear algebra or vector c...
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 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 parameterize a surface with two parameters.
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 determine the position vector-valued function for parameterization.
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 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 calculate the US unemployment rate given the raw data.
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 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 work with radical equations containing invalid or "extraneous" solutions.
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 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 create a simple histogram chart.
Sending loved ones letters in the mail isn't what it used to be, especially with e-mails and text messages playing a big part. But for those who still do so, you may have a problem trying to fit certain sized cards into enevelopes. This video focuses on 3x3 cards specifically and how to make an envelope for them. Enjoy!
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 study for that next big test). With this free math lesson, you'll learn how to simplify rational radical expressions.
Flying is complicated enough, especially when you are flying overseas. In this tutorial, Rick Seaney gives you tips on how to find the cheapest flights to popular international destinations. Rick also goes over how to save on luggage and other hidden airport upcharges. So, before you take your next big trip, check out this tutorial and get some insider information on how to avoid hefty costs and enjoy your holiday.
Have a photo that's not sketchy enough for your taste? Are you maybe just a big fan of Norwegian new wave band, A-ha? Whatever the case, this free Photoshop video tutorial will walk you through how to apply the effect to your own images in Adobe's popular image editing program. Take a look.
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 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 sketch the graph a square root function.
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 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 problems with the Pythagorean theorem in geometry.
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 study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free statistics tutorials, you'll learn how to use visualize data by graphing it in a box-and-whisker diagram.
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 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 use statistical range, variance and standard deviation to measure dispersion in a data set.
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 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 an equation in which to rational expressions are said to equal each other.
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 study for that next big test). With this two-part installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to simplify rational expressions in algebra.
Playboy Playmate Lindsey Vuolo, Miss November 2001, shows us how to make Dark & Stormy, a rum-based drink she thinks is the next big summer drink! This rum drink has some spicy kick since it's mixed with ginger beer - yum!
One thing that you will need to know in order to pass Geometry is how to find the perimeter of a parallelogram. Parallelograms are quadrilaterals with two pairs of parallel sides. It is not difficult to find their perimeter, but you will need to know a few steps. Check out this video for tips on how to do this in your math class and ace that big test.
Big fan of Duece from Hollywood Undead? In this tutorial, learn how to make his mask, DIY style, with step by step instructions. In order to complete this project, you will need: pink duct tape, a blank hockey mask, blue spray paint, a knife or razor blade
Big fan of Miley Cyrus? Why not cover one of her songs? In this video, learn how to play Miley Cyrus' "Butterfly Fly Away" on acoustic guitar... Chords & fret fingering are explained & gone over.
Glass doors are both stylish and practical… Until they jam up and stop sliding, at which point they become a big pain in the neck. But getting them sliding in their tracks again isn't a really complicated process. In this video, Mark Donovan of HomeAdditionPlus.com shows us how to keep our sliding glass doors sliding.
Turn two salad bowls into a spherical array, ball of sound. Speaker arrays are common at large venues, but are practical for your home environment to give your home theater a good sound. Make this spherical ball of sound from Make Magazine using 8 speakers, 6 quart salad bowls, a dremel and some wire. Disperse the sound across your home with even acoustics.
The C-Walk, AKA Crip Walk, originated in LA's Compton in the 70's. It is a hip hop dance started by the Crips gang. Originally meant to be a walk, not a dance, it was a way to identify whether you were a Crip. Watch this instructional video to learn how to do the Cwalk move, the V.
This is a dry ice experiment for Halloween fun with bubbles. Mr Brunner shows us how to grow dry ice bubbles in buckets. This experiment is super easy and very interesting. You need soap, cloth strips and a big bowl. Oh and of course dry ice. This takes a couple of minutes to explode so be patient.
Check out this instructional fishing video that demonstrates how to tie the Albright knot. Just follow the simple instructions outlined in this boating tutorial and learn how to tie an Albright fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie the No Name knot. Just follow the simple instructions outlined in this boating tutorial and learn how to tie a No Name fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie the Nail knot. Just follow the simple instructions outlined in this boating tutorial and learn how to tie the nail fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie a Palomar knot. Just follow the simple instructions outlined in this fishing tutorial and learn how to tie a Palomar fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional knot tying video that demonstrates how to tie a cleat knot. Learn how to tie off your boat at the dock. Just follow the simple instructions outlined in this boating tutorial and learn how to tie a Cleat Knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie the Perfection Loop knot. Just follow the simple instructions outlined in this fishing tutorial and learn how to tie a Perfection Loop fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie the Jansik Special knot. Just follow the simple instructions outlined in this fishing tutorial and learn how to tie a Jansik Special fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional knot tying video that demonstrates how to tie a Clove Hitch knot. You can tie a clove hitch to a stanchion when you can't reach the top. Just follow the simple instructions outlined in this tutorial and learn how to tie a Clove Hitch knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie the Dropper Loop knot. Just follow the simple instructions outlined in this fishing tutorial and learn how to tie a Dropper Loop fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie the Duncan Loop knot. Just follow the simple instructions outlined in this fishing tutorial and learn how to tie a Duncan Loop fishing knot. Knot tying is a breeze with this video. Start practicing and reel in the big fish!
Check out this instructional fishing video that demonstrates how to tie the haywire twist fishing knot. Just follow the simple instructions outlined in this fishing tutorial and learn how to tie a Haywire Twist fishing knot. Start practicing and reel in the big fish!
Check out this instructional fishing video with Dave "Nugget" Downie that demonstrates how to throw a cast net. Throwing a cast net may seem complicated, but with a bit of practice you'll be able to throw with ease. Just follow the instructions in this fishing tutorial video to learn the proper techniques for throwing a cast net. Start practicing and reel in the big fish!
Watch this instructional origami video to fold an origami samurai helmet. Kabuto is the Japanese word for the traditional Samurai helmet. You will need one sheet of newspaper to fold an origami hat big enough to wear.
Captain Bob Hoose talks about the advantage of re-spooling before a trip. Check out this instructional fishing video to understand a few tips that are perfect for beginners. Learn the importance of re-spooling your fishing line from the experts. Practice your fishing skills and reel in the big fish!
Mad at that co-worker who got the big promotion? Or just a little bored in the office? This step by step prank tutorial video shows how to pull a harmless practical joke on a co-worker by building a false bottom for a cup of coffee and filling it will marbles or beans. Use this as inspiration for one of your April Fools Day pranks!
First, part the curtain to enter the voting machine. Then, start the voting process on the ELECTronic 1242 voting machine in Delaware. All that's left is to press the big green VOTE button on the voting machine and you're done. So get down to your county and VOTE in this coming election. The pol's need you.
