Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra two-part lesson on scientific notation. Find out what scientific notation actually is, and see how to work with it.
See how to express very large and very small numbers using scientific notation with this free video math lesson from Internet pedagogical superstar Simon Khan. 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).
A sonicator is a scientific device used to liquefy cells in order to study their proteins. The same tool can also be used to liquefy other things, including Gummy Bears! This video will show you how to use a sonicator to destroy a Gummy Bear completely in a very scientific way.
Confused about scientific notation? In this informative video, Doug Simms from free math tutoring helps you work with large numbers more efficiently by converting them into scientific notation. Let this expert walk you through easy to understand marker board examples covering all of the basics of scientific notation, including exponents, decimals, and how to convert numbers back and forth between different notation forms. Don't let confusing science problems get you down when Doug Simms is ar...
Need to know how to convert between scientific and decimal notation? Learn how with this free video math lesson. 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).
New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 477th installment in their series of digital spreadsheet magic tricks, you'll learn how to prevent Excel from displaying a 13-digit number ID in scientific notation using the number formatting tool.
This video walks you through on how to apply scientific notation. 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.
The scientific method is one of the great constructs of modern academic thought. If followed rigorously it makes science as accurate as any general procedure can make it. Watch this video to learn the steps of the method and how to use it to conduct your own experiments.
Interested in converting numbers both into and out of scientific notation? This free video lesson will teach you everything you'll need to know. 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).
The Calculator app on your iPhone may seem boring and basic, but there are a few interesting tricks worth knowing. You can ask Siri to perform calculations for you, long-press on results to copy them, long-press the field to paste numbers in, and swipe left or right above the keypad to delete digits one by one. The app can also be used as a scientific calculator with just a simple maneuver.
The best part of science class for many was the awesome demonstrations and experiments teachers use to demonstrate scientific principles. This video will teach you how to capture some of that magic by performing ten awesome science party / magic tricks, like relighting a match with smoke and rolling a can around on it's rim.
The transistor has changed the world since 1947, and the old point contact transistor isn't the scientific darling it's always been. It's still vital to the modern world though, and in this video you'll learn how to make your own point contact transistor with germanium and phosphor bronze contacts.
Are you an active or aspiring scientist? In this free educational video from National High Magnetic Field Laboratory, learn how to make a model of a comet, and why models are important to scientists. Get started on a scientific road to discovery with help from this excellent video on how to make a model of a space comet.
This video shows you a mind-reading card trick. This particular trick requires 8 cards: 4 kings and 4 queens. First, the subject is asked to memorize one of the 8 cards as they are laid out before the subject, face-side up. The cards are picked up and sorted in various ways and the subject is asked a series of questions. The questions are always asking whether the card the subject memorized is in a certain group that the trick performer presents. The card in question always is in the group th...
Here are some simple and fun tricks you can do at home with candles to astound and impress your friends and family. Create an extinguisher using baking soda and vinegar, use smoke to relight a candle and create a vacuum using a candle.
In this video, learn how to make your own homemade electroscope. An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body and for static electricity experiments. They are easy to make. This electroscope is made from a binder clip and two sheets of plastic (or overhead transparency film), and scissors.
This video describes Resistor Color Codes and how to read them. It relates Resistor Color Codes to scientific numbers and engineering notation.
A (harmless) explosion a day keeps the police away. Indulge your rambunctious little boy in some scientific fun by helping him build an overhead water rocket launcher, which shoots recycled plastic bottles.
This is a short video about collecting old or antique binoculars. This binocular video is helpful if you are interested in buying, selling, collecting or just learning about these old scientific instruments. This can help with all kinds of binoculars like Ross, Barr and Stroud, prismatic, or Galilean types.
Learn about the history and technology of batteries in this informative video, and learn how to make your own voltaic cells at home, along with other scientific experiments. Jeri Ellsworth demonstrates how and provides several informative facts about the history and technology about the battery.
Magically get a hardboiled egg into (and out of) a bottle, make a star using toothpicks and challenge someone in a brain teaser using wooden matches. Mr. G demonstrates how in this video tutorial and, for all the eager students whose brains are brimming with curiosity, explains the science behind it all.
Not only can you jailbreak your PS3, you can do it just by using a TI-84 silver edition scientific calculator! You'll need to download a simple app first, and this will certainly void your PS3 warranty, but if that's okay with you, here's how to do it!
Learn how to measure cooking ingredients. Some home cooks approach cooking as an art form, a splash of this, a dash of that, and soon each culinary creation is deliciously unique. Bakers are more likely to appreciate the scientific side of cooking, relying on the careful measuring of ingredients to ensure consistent results every time they prepare a recipe. To measure cooking ingredients, you'll need a glass measuring cup for liquids, and a dry measure for powders.
This video shows how to create an infrared heart sensor using an Arduino controller, a couple of resistors, and an infrared light emitter and detector. This device will be used on the subject's finger, detecting the amount of blood which is flowing through the subject's finger. The amount of oxygenation of the blood is shown in the finger, which will cause the infrared light to reflect off the skin and to the transmitter which is close by. The fluctuations of oxygenation are picked up by the ...
In this video, we learn how to understand subject pronouns in Spanish. Subject pronouns are pronouns that stand in for the person that is going to carry out the action in the sentence. In English, sentence pronouns are things like "I", "you", "he", "she", "we", and "you guys". In Spanish, pronouns change to "yo", "tu", "usted", "el", "ella", "nosotros", and more. Whenever you talk about a verb in a sentence, it will change what the subject pronoun is and how it's said in the sentence. Make su...
In this Photoshop tutorial, learn how to use the software program to remove tan lines from a photo subject. To complete this editing process in Photoshop, follow the steps in this tutorial to learn how to utilize a layer mask, eye dropper tool, and adjust colors. By following the steps in this Photoshop tutorial, you can tan the parts of a subject's skin by learning how to blend colors within the software program so that someone comes out with a more even skin tone.
Interested in learning how to do advanced green screen tricks to show a subject flying? After this tutorial, you'll be a pro. How to launch: Light the screen and the subject. Frame the subject so that you do not see their feet on the ground. Do this by cutting off the lower 1/3 of the subject. Sell the effect by using a fan from above. Add in a background which works with the flying that you are trying to achieve. How to fly: Have a prop that you can use for effect that can be cut out later (...
Try out this science experiment... watch this video tutorial to learn how to illustrate the scientific concept of conservation of mass. This is purely educational, and not as exciting as some other demonstrations, but this does clearly illustrate the concept of conservation of mass.
Soap is an incredible thing and this how-to shows some of its incredible qualities. You'll need a plate, some whole mile, some food coloring, some Q-tips and some dish detergent. It's an explosion of color! Some very unusual things happen when you mix a little milk, food coloring, and a drop of liquid soap. Use the experiment to amaze your friends and uncover the scientific secrets of soap.
James Barry teaches us how to take better indoor portraits. When you are taking these, you want to make sure you have the lighting that is directly onto the subject and the subject's face can be seen. You will have to work with the light and often you will have to add in several lights to get the facial features to all show. Work with your camera to see what it sees and how the light looks through the camera. It will take several minutes to get the portrait to come out correctly. Place the li...
When it comes to working with people, the photographer can face quite a challenge. Everyone has a mind of their own, and with these few tips you will know how to advise your subject so they look fantastic in a picture. Join Erin Manning, professional photographer, as she shows us 5 handy tips for working with people.
Join NASA (National Aeronautics and Space Administration) as they give the basics on the concepts of weight and balance as applied to aerospace. There's no better place to learn about aviation theory than NASA, the United States government's most infamous agency--the powerhouse of space exploration.
Ever wonder how to create movie magic right in your own home? This video shows you step by step everything you need to know and do to create the green screen effect, from properly setting up your green screen, to lighting it, as well as your subjects for a successful effect. Filled with tips and instructions this is a great video to watch for filmmakers, and special effects artist of all kinds.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
Ever watch a cheesy movie and say "That monster is so FAKE!" but not really understand why? Well monstrous monsters are governed by a little biological rule called the Square-Cube Law, a scientific term combining math, anatomy and physics into one educational tool to recognize theatrical baloney when you see it. Just watch this video to see the explanation of the Cube-Square Rule, how it works and its ramifications for our favorite B-Movie pet monsters.
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!
Dovid Krafchow, the author of Kabbalistic Tarot, explains the meaning behind the Mayan calendar according to Jewish knowledge and scientific investigation. Check out this video to learn how to understand the Mayan calendar.
This is an amazing, scientific, rise effect with just a candle, a cup, and a Coke. Anybody can do it, so why not?
The subject line is a crucial part of an email, but you don't see it very often in texts. That's mostly because many people don't even know it can be done, and even if they do, why would they use it? Just like with emails, subject lines can make iMessages and SMS texts seem more important and more professional. Plus, they can help with organization and searching past messages, as well as make text bold.
If the subject of your photos has skin imperfections, it is very easy to fix this in Photoshop. If you do not have the time to do each individual blemish, or wish to simply give the skin an overall fresher look, check out this tutorial.
