The man was requested to solve a short, basic chemistry exercise. He starts by explaining the meaning of the terms involved in the problem: molecular mass, empirical formula and molecular formula. He also explains the way the are connected, for a better understanding of the way the exercise is solved.
In this video, Kevin Richards teaches us some vocal exercises and how to expand the upper range of the head register voice for singing. The exercise, a "reverse octave", involves starting at a high note (in the head register) with a "He" sound, and singing down an octave to end up with a "Ya" sound. The purpose of this is that making the "h" sound in "He" works the diaphragm. Richards will explain this and demonstrate it in the video. After learning how to do the exercise, you will learn help...
This video is part of an instructional series on salsa dancing. In this particular video, instructors Anthony Persaud and Julie Merrill indicate the proper way to execute windmill dance moves in salsa. These moves involve structured turning, with or without a partner. The arm is raised up and outward, turning in a clockwise, then counterclockwise motion to facilitate turning from one way to the other. The name windmill refers to the way the arm turns to allow the move. Anthony provides instru...
Drum artist Raquy Danziger teaches the basics of playing a Turkish double dumbek. Raquy demonstrates how the index and ring fingers of the drumming hand should move in counter-harmony to each other, as the first step. Next she shows how to accent every third beat while drumming. Then, the other hand is used to add a third sound to the two being produced by the first hand in the up-down movement. The next step involves producing two different sounds with the second hand, by alternately hitting...
Origami's an art, and when you get into 3D origami, it definitely gets harder. It involves more than just one piece of paper and a few folds. It requires plenty of paper, plenty of folds, and plenty of patience. This six-piece modular heart cube can look great, but you need patience, and probably some practice to get it right. So, check out this two-part video tutorial to see exactly how to fold the six-piece origami heart cube.
In this video from Fashion Face, we are shown how to do a 1920's pink film noir makeup look that was actually requested by Courtney Love and originally created by a makeup artist for the brand Illamasqua. This is an extreme look, and there are a lot of tools and makeup involved, but it creates a really cool look, and provides some great tips.
Food Network star and host of Good Eats, Alton Brown, shows how the perfect corn-dog does not need fancy ingredients to be delicious. All you need to make the perfect corn-dog are regular all-beef hot dogs, chopsticks from Chinese takeout (left together), batter, and a fryer. Brown shows us his recipe for a spicy batter with jalapenos and provides guidance on the assembly line process that involves rolling the wieners in corn starch, dipping them in batter, and then frying them for four to fi...
This video displays a very interesting experiment or magic trick involving the concepts of density and buoyancy. You will need an empty plastic bottle with its label removed, some water, and a ketchup packet. Using the concepts of pressure and density, this video demonstrates an interesting experiment which can also double as an interesting party trick; by squeezing a full water bottle, you can cause the ketchup packet to rise and sink in the bottle at your whim. This video is an interesting ...
Curious about reduction & oxidation? In this two-part episode of The Science Catalyst hosted by Barry Lambson, the subject of Chemistry, reduction & oxidation is gone over with iron powder and copper sulphate. Oxidation and reduction are heavily related which is why they are both considered "redox reactions". Acids and bases may be thought of as reactions involving hydrogen, or protons, while redox reactions tend to be concerned with electron gain and loss.
Working with the Python programming language is hard if you're not familiar with it, and working with it in Houdini is even harder if you don't know what you're doing. So familiarize yourself with some Python and follow this masterclass for Houdini 9.5 on programming with Python. You will get comfortable with writing Python code and some simple scripting involved.
If it's an emergency, sometime you just don't have enough time or energy to pick up your mobile phone and call 9-1-1. Sometime you just can't move and the only thing still working is your mouth. Ford's new SYNC system provides an option for hands free 911 Assist. In a crash involving airbag deployment, 911 Assist places a call directly to a 911 operator. Your bluetooth phone must be on and stored somewhere inside the vehicle.
Check out this DIY video tutorial from Curbly, the best place to share pictures of your home, find design ideas, and get expert home-improvement advice.
Check out this DIY video tutorial from Curbly, the best place to share pictures of your home, find design ideas, and get expert home-improvement advice.
Welcome to a tennis lesson from FuzzyYellowBalls, the the best place to learn how to play tennis online. Our free video tennis lessons teach you how to play the game in a new way that combines technical analysis, visual learning, and step-by-step progressions.
These hurling conditioned games help players learn the skills of hurling that involve interaction with other players.
Halloween is a time where you can either trick or treat your guests. Treating can be fun, but tricking someone can be even more entertaining. With this video, we will teach you a neat little trick to play on small kids or even adults. So sit back and watch how you can scare the pants off of people this Halloween with this simple trick involving a regular candy bowl.... see how to prank trick or treaters with a candy bowl and hand. Use this as inspiration for one of your April Fools Day pranks!
Everybody had a yo-yo at one point in their life; some when they were just little children, some when they were bored teenagers, some when they found the kid inside of them they never knew of, and even some when they felt retirement was just not very fun. It just goes to show that the yo-yo is not going anywhere anytime soon. Who could ever believe that a toy consisting of two equal disks made of plastic, maybe even wood or metal, with an axle and string could be so damn pleasing, so much dar...
Everybody had a yo-yo at one point in their life; some when they were just little children, some when they were bored teenagers, some when they found the kid inside of them they never knew of, and even some when they felt retirement was just not very fun. It just goes to show that the yo-yo is not going anywhere anytime soon. Who could ever believe that a toy consisting of two equal disks made of plastic, maybe even wood or metal, with an axle and string could be so damn pleasing, so much dar...
Everybody had a yo-yo at one point in their life; some when they were just little children, some when they were bored teenagers, some when they found the kid inside of them they never knew of, and even some when they felt retirement was just not very fun. It just goes to show that the yo-yo is not going anywhere anytime soon. Who could ever believe that a toy consisting of two equal disks made of plastic, maybe even wood or metal, with an axle and string could be so damn pleasing, so much dar...
This three-part video tutorial demonstrates how to acid wash and paint a swimming pool. In part 1, host Tim Casey shows you how to properly and safely acid wash your swimming pool to prepare for painting. Part 2 discusses the steps involved in repairing cracks in a pool wall, step and deck while Part 3 covers the actual pool painting process.
In this podcast tutorial, Trent Cunningham joins the videoKast to teach how to do 2-Person 1-Rope. You'll learn how to involve a child as young as 3 in jump rope and then see what can be done with a bit more practice.
Recently released accident reports by the state of California's Department of Motor Vehicles show humans did a lot of dumb things to cause accidents with General Motors' (GM) Cruise Automation driverless vehicles in San Francisco this year.
Alzheimer's disease — an irreversible, progressive brain disorder — is the sixth leading cause of death in the US and more than afflicts 5 million Americans. As if those numbers aren't scary enough, the Centers for Disease Control and Prevention expect that number to nearly triple by 2050.
Hello guys I am ROMEO 64 (sounds weird I guess but who cares. :D).. Alright....Ever wondered what happens when you login to your Facebook account?
welcome back my masters , teachers and classmates , in this second part of this 0-day series we will learn the basic of fuzzing, and i bought some gift for nullbyte(a 0 day vuln that will be released today exclusively on null-byte) .
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.
This video describes how to install the day viewer plug-in on a PSP. This plug-in is used to add features of Battery Percent, Month Name, Day of the Month, Day Name next to the battery. Firstly, download the Day viewer v5 zip file from the website link, now connect the "PSP" with the computer and the root of the memory stick will show up. Open the "Seplugins" folder located on the "Memory stick" and then extract the zip file of "Day viewer v5" and extract the "Dayviewer.prx" and "Dayviewer.tx...
Alright, there are lots of videos out there dealing with Master combination locks, but this how-to video will show you how to open a Dudley combination lock. These locks are commonly used in schools, so you've likely seen one there. This method opens the lock permanently, meaning you won't be able to close it afterward. You'll need a flat head screwdriver and a little patience. The method involves prying off the style, allowing you to get to the insides of the lock. After that, you'll be push...
The Golden Egg is perhaps more of a state of mind than a posture in yoga. The Golden Egg involves sustaining and concentrating your core strength, creating what Sadie Nardini calls an "abdominal balloon."
With a little practice a cushion cover can be made at home easily. The materials/equipments required are as follows: fabric of your choice (having appropriate dimensions) to make the cover, scissors, measuring tape and ruler, needles, threads, sewing machine and an iron.
A mixed number is just another way of expressing a fractional number. This video shows two methods by which two mixed numbers may be added.
We'd let our little Fido run free all the time if we could, but unfortunately taking a dog out into any public space, whether it be simply for a walk in the park or to a shopping center, involves putting him on a leash or a harness.
Are your shoes a little too tight? Don't toss them away, there's hope for them yet, and it involves one of the most basic elements on Earth— water. By packing your high-heeled shoes with plastic ziplock bags filled with water, then storing your shoes in the freezer, you'll have newly revived footwear that will accommodate your large feet— just kidding. Sometimes you just can't pass up a good shoe sale, and if they don't have your size, this is your fix.
Making jam or preserves for friends and family is one of the sweetest (literally) things you can do for special occasions and the holidays. But sterilizing jam jars can be a pain, often involving cleaning them out with scalding hot water.
No sane person likes the smell of vomit. Vomit is especially annoying when the smell lingers and wont leave your carpet. Fortunately, there is a way to get rid of disgusting carpet aromas. It involves the use of baking soda, a vacuum, and a flat tool.
In this video, we learn how to write a song for film or television with Brad Hatfield. When you collaborate with other people, you will be invited into a new network of people. The web of people will keep expanding to help you learn new skills and how to write different songs. Try to understand what works for both you and the artist so you don't get emotionally involved. When you write songs for film or television, you will want to listen to feedback and give each other direction on how you w...
If your little girl loves jewelry making but you're scared she's going to poke her eye out with a wire when you're not looking, sleep soundly at night by teaching her how to craft shrink plastic jewelry. Perhaps the safest and easiest forms of jewelry making, it involves only shrink plastic and a mini oven (which you would help out with).
Do you want sculpted, V-shaped lats that make your backside look like God's gift to women? Then check out this fitness tutorial to learn how to do the dead lift, an exercise move that involves picking up a heavy weight from the floor and bringing it to your hip level.
Matches may not be the ubiquitous part of every person's going-out equipment that they once were, but they are still useful both for lighting fire if you don't have a lighter and for pulling these two hilarious bar pranks. The first is a simple counting game where you manipulate your victim into making piles of matches of sizes you guess correctly, because you rigged the game. The second involves challenging the victim to make six equal half of eleven using a pile of matches. Both are funny, ...
Forget about buying a garden fountain. You can make a DIY one for your garden. You can even make a small on for a tabletop! You just need to get the right pump for the job. The base of you fountain just needs to be big enough to completely submerge the pump under water. Watch to learn the rest, which involves flower pots and cobble stones.