All fields of study have their own language. For people interested in learning about microbes, the language can sometimes be downright difficult — but it doesn't need to be. From antibiotics to xerophiles, we have you covered in an easy-to-understand glossary.
Keeping data private is vital in the days of smartphones and the free-floating information they carry. Justin wrote a guide on many of the deeply hidden and sometimes concerning privacy settings in iOS 7. Now we're back to cover some of the new (and old) privacy settings in iOS 8 that you need to address right now.
Depth of Field (DoF) is easy to understand, but it is often extremely poorly explained. It's all about selective focus. For consumers with conveniently small camcorders, you only have two options: get your subject away from the background and then (1) zoom in or (2) get the subject close to the camera. No 35mm lens adapters, no secret techniques, no complex math: That's it!
This is a video tutorial in the Education category where you are going to learn how to understand polyatomic chemical formulas. When writing the formula using polyatomics, the same cross-over rule applies. 1st identify the metal and non-metal. Then you write the symbols, write the charges, cross-over the charges from top to bottom, remove the charge and simplify the numbers and remove the 1s. for example, iron (II) phospahate. The "ate" ending implies that phosphate is polyatomic. The symbol ...
The capacitor is one of the most recognizable and important electronic components, and a part of nearly every electronic device. This video will teach you the basics of capacitor theory and then teach you how to replace a faulty or broken on on a circuit board. This skill will help you fix all sorts of devices you thought were dead forever; try it out!
Virtual DJ is an epic piece of software that allows you to become a disc jockey, without even having to get up from your chair. In this video tutorial, learn how to use the basic functionality of this great application. Download a free trial of Virtual DJ and start mixing.
With this cool little how-to, learn about Newton's laws of motion and try first hand to see centripetal force in action. You'll need balloons and a coin and a lug nut.
Google is the biggest and best search engine on Earth, and if you are a webmaster and want your website to be a big success it would really behoove you to know as much about how it works as possible. The Google Webmasters series of videos and website were created to teach webmasters, SEO professionals, and others how Google works by answering their questions and giving them insights into how they can best integrate and utilize Google's functionality to improve their business. This video expla...
Every physician, medical student or resident, from emergency room doctors and nurses to anesthesiologists, need to know of the most fundamental skill sets: airway assessment and management. But before one can be proficient with this skill set, you need to know the tools of the trade.
There is a substantial number of helpful tools at your disposal in Microsoft Word when it comes to writing; grammar check, word count, dictionary, thesaurus, and tons more. One tool that doesn't necessarily make itself obvious is testing your document's readability. With this built-in tool, you can not only check your spelling and grammar, but also the reading level of your document.
One of the biggest problems in data security is authentication of data and its source. How can Alice be certain that the executable in her inbox is from the venerable Bob, and not from the not-so-venerable Oscar? Clearly Alice wants to know because if this file is actually sent to her by Oscar, the file might not be a game, but a trojan that can do anything on her computer such as sift through her email and passwords, upload her honeymoon pictures, or even turn on microphones and webcams. Thi...
Communication is the key to any healthy relationship, and when I say any, I mean human and non-human. Previously, one of the biggest culprits for not understanding what you meant was Siri, but now it looks like it has some competition with the new Kinect system, which can control practically everything on your Xbox One—if it can understand you.
Buying and drinking wine can be intimidating. There's so much to know, and so many ways to reveal your ignorance. If you're completely befuddled by wine and how to describe it, don't worry, you're not alone.
Google is the biggest and best search engine on Earth, and if you are a webmaster and want your website to be a big success it would really behoove you to know as much about how it works as possible. The Google Webmasters series of videos and website were created to teach webmasters, SEO professionals, and others how Google works by answering their questions and giving them insights into how they can best integrate and utilize Google's functionality to improve their business. This video will ...
When picking a padlock, the only part you need to worry about is the part where the key goes into the lock. The locking mechanism has pins attached to springs. The key pins are on the bottom and the driver pins are on the top. The key turns when the pins of different heights are separated, flush and aligned. Stick a tension wrench into the keyway and put pressure on it. Take a pick to push the rest of the pins up until they are flush with the shear line. Stick the tension wrench into the bott...
Are you a radio control car enthusiast who's never moved beyond the store-bought toy models from Radio Shack? Then this nine-part series of videos is what you've been waiting for. It breaks down how RC engines work in exhaustive detail, including whole sections on carbs, pipe tuning, fuel mixing, and super chargers, among other topics. You may not be able to put your own RC car together entirely from scratch after this, but you will have a broad, deep understanding of how their engines work a...
Have an interest in nukes? Look no further. Learn about nuclear reactors, bombs, & reactors in this six-part video lecture by Professor Richard Muller of the University California, Berkeley. This lecture is from the spring 2006 webcasts of "Physics For Future Presidents". From the videomaker:
"Foodborne illnesses are responsible for more than 75 million illnesses, more than 230,000 hospitalizations, and approximately 5000 deaths each year in the United States." In this six-part video lesson, learn about the basics of food safety in a commercial food enviornment. In the first video, three types of contamination are gone over as well as how improper handling can allow food to become dangerous to your patrons. In video two, learn about proper holding times and temperatures, and what ...
This is an intensive one-day overview video tutorial of the fundamental concepts of the Ruby on Rails Web programming framework, presented by the UC Berkeley RAD Lab. The overview consists of six sections of approximately one hour each. Click through the video chapters to go through the Ruby on Rails programming course.
Curious about the Big Bang Theory. In this four-part video, learn all you need to know from a great source. Hosted by Professor Richard Muller of the University California, Berkeley, this lecture is part of university's spring 2006 webcasts of "Physics For Future Presidents".
In this three-part video, learn about the events surrounding the newspaper article in Roswell New Mexico 1947 regarding crashed flying saucers. The story has to do with nuclear weapons, the second world war, government lies and the movement of sound waves. See how the evnst of Roswell tie in with physics of waves with help from host, Professor Richard Muller of Berkeley University.
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.
If you're transferring from Guitar to Ukulele or if you're just starting with Ukulele and kind of want to understand how the notes on the fretboard, the music theory behind everything and also some techniques for remembering each of the fret letters and how to build chords.
In this free video language lesson, you'll learn how to say the French words for "I don't understand": "Je ne comprends pas." While French isn't necessarily a very difficult language for an English-speaker to learn, many stumble when it comes to pronunciation. Fortunately, the Internet is awash in clips like this one, which make learning both vocabulary and proper pronunciation a very easy task.
Understand how binary numbers work, including how to read binary numbers, and create your own. This mathematics or computer programming tutorial is a zip to get through. It covers practical and theoretical use and need for binary code understanding. Binary means zeroes and ones in a series. This is paramount to digital transmission versus analog that transmits in a sinusodial wave form.
Understand the basic qualities of studio light by using a simple, one-light strobe lighting kit.
In this video, we learn how to understand crescendo, diminuendo & other tempo changes. When you are playing piano, you are supposed to play the note until a dynamic change is shown on the music. A sforzando means that you must suddenly play very loudly. This occurs most in a surprise symphony. A crescendo is when you change the volume gradually. As the lines grow on the symbol you will increase the volume or decrease it if it's from larger to smaller. When you play dimiuendo you must not slow...
In this video, we learn how to understand the anatomy of the upper back for drawing. First, you will need to learn how to draw the skeletal block of the body. Once you have drawn the outline for the skeleton, you can continue onto the rest. Make sure to add in the details for all the parts of the body, using thin lines at first, then thicker lines. Color these in white once you have the bone shapes made, then color in the "meat" on top of those. Draw in lines to create shading and realism on ...
This video tutorial in the Language category will show you how to understand the sequence of tenses for English. This is useful when you want to change direct speech to indirect speech and also for understanding conditional sentences. When the sentence is originally in the present tense, it can be changed to past tense. For example Paul said, "I am hungry". You can change this to indirect speech either in the present tense or in the past tense. So, the sentence can be said as Paul says he is ...
In this free video spanish lesson, you'll learn how to say and properly pronounce the Spanish words for "I don't understand": "No entiendo." Interested in learning Spanish but haven't got the time to take a weekly language class? No problemo! The Internet is awash in free, high-quality video lessons like this one. For more information, and to get started using this phrase yourself, watch this helpful video guide for Spanish students.
This video helps us understand the organic molecules and elimination reaction. Take some sugar in a beaker. Sugar has 12 carbon atoms, 22 hydrogen atoms and 11 atoms of oxygen. The sulphuric acid is poured into the sugar and the color change is observed. The color of the sugar gradually changes into black. The sulphuric acid causes an exothermic reaction which releases a large amount of sulphur dioxide gas. All the water (containing hydrogen and oxygen atoms) is eliminated out of the sugar du...
The presenter, Ms. Jennifer explains how compound words are formed from phrasal verbs. With examples she explains how the meaning and pronunciation differs when compound words are formed from phrasal verbs. She explains the difference between 'show' and 'show off' by showing her collection of fans, and showing off with one of her beautiful fan from Japan. Then she explains the difference between 'show off' and 'show-off', giving examples and makes the listeners clear about compound nouns also...
AT&T Online Account Management is full of usefull tools to manage your AT&T account. Whether you're dealing with your smartphone account, landline or any other AT&T product or service, this is a quick and easy way to dial it in so it works for you.
Semi-automatic pistols are the guns that most urbanites the world over are most likely to own and the choice of most people everywhere for self-defense, so understanding them is important for all gun owners. This video will teach you about the three types of semi-automatic pistols, which should help you choose the right one for you.
This math lesson from Yay Math covers four-sided shapes in geometry. Learn about the differences and similarities between rectangles, squares and rhombi (the plural of rhombus). The properties of rhombi and squares are covered, so sit back and enjoy this educational (and FUN) math lesson.
If you're just getting started in photography or if you're looking to learn a little bit more about your camera, then you may have run into the term "Aperture" or "Aperture Values", or those weird number numbers. Aperture is in the lens of your camera and determines how much light enters into the lens itself and helps to determine your focal length. In this video you will get a small lesson on what Aperture is, and how to calculate focal length and aperture values.
In this clip, Dr. Ray Sahelian will tell you all about the benefits, side effects and potential medical uses of this very interesting nutrient, CoQ10. CoQ10 stands for co-enzyme Q-10 and is meant to help with heart disease, metabolism, energy and cell health. Dr. Sahelian will show you where you can find this drug and how to take it as well as discuss any possible side effects.
Stevia is a natural sweetener that is 300x more sweet than sugar, contains no calories and is great for diabetics. In this clip, learn all about Stevia from Dr. Ray Sahelian, and make sure you know all about the possible risks and benefits of using this sweet substitute.
Tribulus is an herb that is found all over the world and is often thought of as a weed, however many take it as a testosterone booster, sexual enhancer or appetite suppressant. In this clip, Dr. Ray Sahelian will walk you through tribulus and make sure you are informed before you decide to take it. He will also detail all of the possible side effects and debunk any rumors associated with the herb.
Tongkat Ali is a supplement taken from trees in Eastern Asia. Tongkat Ali is meant to improve energy and sexual performance. In this clip, Dr. Ray Sahelian will tell you all about this herb and what it does, as well as possible side effects and precautions that you should take before you decide to start an herbal regimine.