This how-to video proves tai chi isn't just for old people in the park. You can learn how to subdue your enemy in four seconds from a tai chi master. There is a pressure point on the neck that you can press that will render your enemy unconscious. Watch this instructional martial arts video and learn how to subdue an enemy with tai chi skills.
Gas is over $4.00 a gallon all over San Francisco, so this video is all about proven methods to get more MPG from your car, from changing the air filter to giving up on using your brakes.
Need help proving the sin(a+b)=(cos a)(sin b)+(sin a)(cos b) trigonometric identity? This free video lesson will show you how. 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...
This automotive repair tutorial shows you how to remove rust and repair rust eaten and damaged metal. Doors, bumpers, rails and every metal part on your car is prone to rust. If rust has or is eating away at your vehicle this video shows you how to remove and repair the rust damage. You will need a welder and a grinder.
The first video explains the Method of Mathematical Induction. It also gives a background of Francesco Maurolico, Pascal and John Wallis. You'll see how to apply the Method of Induction to prove the sum of odd numbers is a square.
This video is a part of a series on repairing a boat deck with epoxy. Part 1 of 2 - How to Repair boat decks with epoxy.
Repairing gel coat is covered in this series. Part 1 of 2 - How to Repair gel coat.
How to repair fiberglass on a boat is demonstrated in this series. Part 1 of 2 - How to Repair fiberglass.
Repairing blisters in a gel coat for a boat is covered in this video series. Part 1 of 2 - How to Repair blisters on a gel coat for a boat.
Replacing a water pump requires the removal and replacement of a number of other car components. Learn about replacing a water pump on a Mazda 626 from an auto mechanic in this free car repair video series.
Keep your car engine running cool in the summertime. Learn how to replace a car radiator in this free auto repair video from a master mechanic.
Learn how to change the thermostat in your car with expert automotive tips in this free online auto repair and car maintenance video series.
In this how-to video series, learn how to change a flat tire, from auto repair expert Christopher Fiffie. Christopher will show you how to locate your tire removal equipment, how to loosen lug nuts on your wheel, how to jack up your car, how to install the spare tire on your car, how to tighten lug nuts on your wheel when changing your tire, and how to lower your car on a jack.
Tim Carter demonstrates how to install a finish nail using a hammer and nail set. Tim also shows how to do it the fast way with a powered nail gun!
Don't let that stuck drawer aggravate you on a daily basis; find the problem and fix it once and for all.
Check out this Do It Yourself (DIY) RV maintenance and repair video to learn how about RV battery maintenance. Know how to do it to keep your batteries running strong in your recreational vehicle with this RV tutorial video.
This is a video tutorial on how to prove congruent triangles with SSS and SAS test. SSS means side-side-side and SAS means side-angle-side. For applying the SSS test of congruency, each side of one triangle must be congruent to the corresponding side of the other triangle. For applying the SAS test of congruency, two corresponding sides of the two triangles must be congruent as well as the angle between those two sides of each triangle must be congruent. Follow the rest of the video to unders...
Like a lemon, a potato can produce electricity. This science experiment was prepared by Ebtisam Al Anzoor and demonstrated by Mustafa Daif. The electricity is proven using an analog micro ameter. The positive is copper from a penny or copper coin while the negative is a galavanized nail. The potato releases a charge and is further proven when it is connected to a calculator. You can daisy chain the potatoes for a greater charge.
While the mainstream consumer market waits for cool augmented glasses to arrive from Magic Leap, or maybe even Snap Inc. (Spectacles 2.0??), AR headset maker DAQRI and its business customers are finding new, money-saving and time-saving use cases for the technology today.
At the Augmented World Expo Europe press conference in Munich today, RE'FLEKT will unveil the addition of remote video calling to their RE'FLEKT One enterprise augmented reality platform, in addition to ARKit and ARCore apps that demonstrate the platform's capabilities.
Could the technology that powers games like Pokémon GO be used for surgery in the near future? Researchers at the University of Maryland think so.
One of the quickest repairs for bObi is replacing the main brush motor. To do this, you'll need a Phillips head screwdriver and a replacement main brush motor.
A step-by-step guide to replacing the side brush motor on bObsweep Standard or Pethair. Follow the video or multimedia directions in order to open up bObsweep, remove the main board, replace the side brush motor, then close your vacuum for future use.
Furniture gets beat up—it's a fact of life. Your beautiful tables will end up scratched, the legs of your chairs will grow nicked, and you'll find interesting dents and damage in other places around the house, too. Yet if most of your furniture is made of wood, you don't have to live with unsightly scratches. In fact, you can remove years of damage with a simple snack food: nuts.
If you're reading this, chances are you're a softModder, someone who doesn't let anything stand in his or her way from ultimate customization.
The worst thing about running shoes is that they're expensive, but you're supposed to abuse them. Even if you're not a runner, everyday wear and tear takes its toll. No matter how well you take care of them, if you use them enough, they're eventually going to wind up looking like this: And it's not just running shoes. I have a pair of Vans that I've worn for almost four years, and the heels are just about ripped all the way through.
PUT THE PHONE DOWN!!! Don't call the locksmith just yet! Watch this video and l will save you at least $100.00
The pull cord on a chainsaw can easily be repaired with a bit of brass tubing and some epoxy glue. Simple repairs are easy to perform yourself, without expensive replacements. Watch this video home repair tutorial and learn how to fix the pull cord on a chainsaw.
Repairs to doors and windows are some of the easiest home repairs you can do. Our expert will show you a simple way to fix a broken window by removing it and then installing a new piece of glass in the old frame. You will also learn how to replace exterior door trim, a repair that not only improves the look of your house, but also helps cut down on heating and cooling costs.
If you have to change a tire out on the highway make sure that you are well out of the flow of traffic. If you have materials to help people see you put them out and make sure that you only use the jack if you are on a hard flat surface. Using a jack on a soft surface such as sand can lead to the car falling off of the jack. Set your emergency brake and turn on your emergency flashers. Check the owners manual for step by step directions and safety tips for changing the tire. Take out the spar...
Is your current doorknob sticky, wobbly, or just not cutting it out for you and your family? Well in this video Barbara K will demonstrate exactly how to replace any doorknob in your home.
If you've ever dinged your car—or worse, a friend's or parent's car—and caused a dent, you know how expensive it can be to fix. A two-second mistake can end up costing hundreds of dollars, but you can save yourself repairs costs and a headache with just a couple of household items.
Before we realized that the world was round, there were lots of theories otherwise. One popular idea was that the world was flat, kind of like a box, and that you'd fall off if you walked to far to any one side.
You know that old pile of sweaters you've been looking at for ages? Well, do NOT take them to the dump! You can turn those sweaters into mittens with this simple, step-by-step video which proves that recycling is the way to go. You'll need some old sweaters, some scissors and a sewing machine.
TrueCrypt is a free open-source program for encrypting data and it's excellent for securing hard drives, but it also has the ability to hide a secret operating system inside another operating system. CNET shows you how this "insider secret" operating system is created. This operating system will be impossible to prove to people like the Feds.
If you've proven yourself beautifully adept at making snug and cozy granny squares (usually used as coasters), then why not add some spice to your crafting by adding different colors to the mix?
It's been proven that your body adjusts to any new workout you start doing within a week. Though that means less muscle aches and pain for you, it also means less results.
Whether you're a guy or gal, six pack abs are always preferable to a family pack, even if you think some squishiness in the tummy is cute.
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 perform a geometric proof of the Pythagorean theorem.
Cankers, if left untreated, can grow and prove lethal for your trees. In this installment of the Fruitwise Heritage Apple guide to apple pruning, Stephen Hayes demonstrates how to amputate a diseased tree branch with a saw. Watch and learn why, as Stephen puts it, "a seen canker is a gone canker."
