This video walks you through the steps to prove an inscribed angle is half of a central angle that subtends the same arc. 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.
Snails can have a devastating effect on your garden but there are ways without using toxic chemicals to get your snail problem under control. You can use pick snails off by hand and throw them away, you can put out iron phosphate based bait, or you can put a bowl of beer out which they will be drawn to and away from your garden.
This is a tutorial about how to prove the congruency (equality) of two triangles when the values of two angles and an included side of each triangle is given. The author of this video instructs the viewer that it should be first determined whether the values of two angles of one triangle are the same as those of two angles of the other triangle. Then one must seek to determine the equality of sides included in those angles in both the triangles. When it is found that these three values in one...
Grandmaster Alexandra Kosteniuk shows you how to play chess like a master in this chess video tutorial.
This busty beauty shows you how to bust out a tiny skater in Tony Hawk's Proving Ground using a code.
Having a hard time focusing on Tony Hawk's Proving Ground? This gorgeous gal has the answer.
Devastating and deadly, land mines are a persistent threat in many areas of the world. Funding to clear regions of land mines has been decreasing, but new research may offer a less dangerous method of locating hidden, underground explosives by using glowing bacteria.
A tiny louse is responsible for decimating the citrus industry. Diaphorina citri, the louse in question, better known as the Asian citrus psyllid, harbors and spreads the "Candidatus Liberibacter asiaticus" bacteria that causes citrus greening disease.
In recent years, Google's Arts & Culture project has been leading the way in terms of innovating the practice of using technology to preserve landmarks and great works of art via digital 3D copies. Increasingly, these efforts are also giving history buffs the chance to experience classic works and spaces with unparalleled intimacy through the wonders of augmented reality.
Next to things like natural disasters and disease, the specter of war is one of the only things that threatens to derail the 21st century's long stretch of technological innovation. Now a new app is using augmented reality to remind us of that by focusing on those most impacted by war — children.
Based in the DC Universe, Injustice: Gods Among Us was a runaway success on the iOS App Store, generating enough downloads to rival its console-based iteration in terms of popularity. But now, the sequel to this long-running game, Injustice 2, is finally out in the wild, as it was soft-launched in the Philippines this past February.
Extremely important calls have a way of coming at the most inopportune moments: when you're in class during an important lecture, at a big business meeting for work, or even when you're just enjoying a day at the movies.
As a kid, I remember hearing the myth that Twinkies could last forever. The rumor was that they were made from chemical ingredients that caused the Twinkies to stay fresh and edible for years and years. Right along with the cockroach, Twinkies were supposed to be the only survivors of the nuclear holocaust that would destroy the entire world. As I got older, I realized the rumor wasn't true. Twinkies actually have a shelf life of just 25 days. And with the news that Hostess is going out of bu...
In this clip, learn how to perform the "Amazing Red Bull" trick. You will show your audience a full can of Red Bull and pour a bit out to prove it. You will then flip the can completely upside down without ANY liquid spilling out! You can also shoot something like a pencil or pen inside the upside down can to prove that there is an opening. This trick relies on a bit of slight of hand and some help from gravity. Check it out and totally amaze your friends with this cool illusion.
Need help proving the cos(a+b) = (cos a)(cos b)-(sin a)(sin 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 ...
The herpes simplex virus (HSV) can cause devastating complications for infected newborns whose mothers have genital herpes. Understanding risk and research can help you, and your baby, when the time comes.
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...
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 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.
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.
The volleyball attack can excite the crowd and devastate the opposing team. The approach, jump and landing are the basic aspects of a successful volleyball attack. Learn how to attack in this volleyball video tutorial.
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."
7" USB monitors aren't useful for that much at first glance, but as this guy who had one laying around his house for years proves they do have their uses. This video will show you how to mount a USB monitor (7" in this case) in the side of your PC tower case and use it for monitoring CPU usage or other useful information.
Winged eyeliner is a makeup look that girls either love or don't attempt to try because it seems to hard. As habitual winged eyeliner wearers Lauren Conrad and Blake Lively prove, winged eyeliner is extremely sexy and also elongates and brightens your eyes.
In this tutorial, we learn how to remove stretch marks with lasers. The laser treatment is the most effective for removing stretch marks. This will turn the purple marks lighter, and once they are silver/white, they will make those less apparent. The Affirm laser treatment is proven to be extremely effective to remove the stretch marks, and make them only noticeable under a microscope. It will take several sessions to drastically remove the stretch marks, but it will be worth it in the end. D...
The French braid is a hairstyle staple for middle schooler girls and high schoolers, but it can just as easily be worn by older women without looking too cheer camp.
Take care of that acne without any expensive products that dry you out. This proven method only requires three ingredients: Oatmeal, honey and bioyogurt. This all natural remedy is all you need to have beautiful, clear skin again. This video will show you how make a natural homemade acne mask.
Don't give up turkey gravy just because you're cooking for a gluten-free diet. Use these tips when preparing this Thanksgiving favorite. Gluten-free diets are proven to help digestion and ease a variety of ailments. This gravy will make your gluten-free meal savory.
Add an old-fashioned touch to this year’s Christmas tree by decorating it with popcorn-and-cranberry garlands.
Interested in learning how to play the didgeridoo? If so, this video lesson may prove a good place to begin. This tutorial will walk you through the rudiments of didgeridoo playing, including tonal techniques for varying the pitch, volume and timbre of your didge. For more information, and to get started playing didgeridoo yourself, watch this helpful video tutorial.
This video teaches you how to pick a lock using only a tweezer from a swiss army knife and a safety pin. Only use this information for proving that you're cooler than your other friends.
