Professional Scientific Search Results

How To: Calculate sums in standard form

When a number is expressed in the form of x multiplied by 10^y such that, x < 10 and y is an integer, the number is said to be in standard form. Standard form of expressing numbers finds its use in scientific and statistical fields. This video demostrates how to express, as well as perform basic mathematical operations namely, addition/subtraction, multiplication and division of numbers in the standard form using four examples/mathematical problems. The first two examples demostrate multiplic...

How To: Add drag and drop to a project in Adobe Flash Professional CS5

Need some help figuring out how to add drag-and-drop functionality to your Flash project? With Flash CS5, it's easy, and this clip will show you how it's done. Whether you're new to Adobe Flash or merely unfamiliar with Flash Professional CS5, you're sure to benefit from this free video software tutorial from Lynda. For more information, including detailed, step-by-step instructions, take a look.

How To: Make a professional-looking advertisement in Photoshop

Need to create an ad for your business? Learn how with this video lesson. Meet the Adobe Photoshop pen tool! Whether you're new to Adobe's popular image editing software or simply looking to pick up a few new tips and tricks, you're sure to benefit from this free video tutorial, which presents a step-by-step guide to creating a professional-quality advertisement.

How To: Replace a sink trap

Instead of hiring a professional plumber, get free advice from one in this video presented by Fine Home Building. Follow a professional plumber as he shows you how to replace a kitchen sink trap. You'll learn how to layout, cut, and cement PVC pipe.

How To: Do normal probability calculations on a calculator

Probability computation is a complex process and even using a calculator can be difficult. But normal probability calculations can be performed quickly with the help of calculator once you know how to use it. So when you have to calculate a probability from a normal distribution you can use the functions on your scientific calculator. You can use the normal CDF function from you calculator to compute the area under a normal curve. The function requires lower band and upper band values, the me...

How To: Mix liquid "glow stick" colors to make white light

This a video tutorial that is showing its audience how to mix liquid glow stick colors in order to make a white light. The first step is to gather your supplies. To complete this scientific experiment you will need to get a few different glow sticks, preferably red, blue, and green. The next step is to turn all of your glow sticks on. The third step is to cut open the glow sticks and add them to separate cups. Next you can mix the green and the blue light together. Then finally add the red li...

How To: Cheat on a calculator test with a calculator

Learn how to cheat on a calculator test with a calculator in simple steps. You will need: a scientific calculator, a ruler and a small paper. 1. First remove the cover of your calculator and measure its length and width using the ruler. 2. Now cut a piece of paper with the exact measurements taken from the cover. 3. Write all you need on the paper and fix it in the cover carefully. 4. Make sure the paper does not fall out and then put the cover to the back of your calculator. 5. Finally test ...

How To: Determine the age of a fossil using carbon-14

If you have a fossil, you can tell how old it is by the carbon 14 dating method. This is a formula which helps you to date a fossil by its carbon. If a fossil contains 60% of its original carbon, how old is the fossil? The half life of carbon 14 is 5600 years. That means this is how long it takes for half the nuclei to decay. After 5600 years, if we start with a gram, we end up with half a gram. This rather complex formula shows you how to solve this puzzle using accepted scientific methods.

How To: Understand the secret behind vanishing tricks

In this video from Socoolscienceshow, Crazy Chris explains to us how magicians make things disappear. For this he uses a plate, cup, and a napkin. You cover the cup and plate with a napkin. He removes the napkin with the cup and shows that he taped the cup to the bottom of the plate so they are both removed at the same time. To maintain the look of the cup in that napkin when it's removed he shows that he trace the cup onto some construction paper cut it out, and tape it to the napkin. Then h...

How To: Use the Cosine Law

In this video tutorial the author shows how to use the Cosine Law. He shows how to find an angle of a triangle where he know all the sides of a triangle, using the cosine Law. He uses a lower case letter to designate a side and a capital letter to designate an angel apposite to that side. He gives the formula for the cosine law using a triangle as an example. Now he goes on and demonstrates how to use a scientific calculate. He shows how to use the degree mode in the calculator to solve these...

How To: Make silly putty at home, just like NASA

NASA has invented the T-RAD Device, a.k.a. Goo Gun. Astronauts aboard the STS-120 will test the effectiveness of the pre-ceramic polymer in its ability to repair damaged shuttle tiles. To make connections to the mission, in this video tutorial, Dr. Diana teaches you how to make your own silly putty, also a polymer, at home.

How To: Dissect a female cow reproductive tract

Want to know what the insides of a cow look like? Well, go no further... these video tutorials will show you the anatomy of a cow reproductive tract, which is suspended by the broad ligament, which has three component parts; the mesometrium (which holds the uterine horns), the mesovarium (which holds the ovary), and the mesosalpinx (which holds the oviduct of the female cow.

How To: Use OCR scans in Acrobat 7 Professional

OCR is usually a bad word to most computer users, but in Acrobat it's the next best thing to sliced bread. Adobe Acrobat 7 Professional not only employs Optical Character Recognition for your text, it does Page Recognition to preserve the geometry of your pages. Everything stays in place and your paper documents become searchable, reusable text!

How To: Shoot your baby's photos like a professional

In this tutorial, we learn how to shoot your baby's photos like a professional. If you want to take great photos of your baby but don't want to pay a professional, just use these quick tips. First, determine the type of flash you should be using on your camera. Use the manual that comes with your camera to find the right settings for you depending on where you're taking the pictures. You can also edit the pictures on your computer to make the colors stand out and the image more crisp and clea...

How To: Choose hair color

In the video Robert Steinken, who is a hair stylist tells that choosing a hair color is a very important task. Firstly it is important to go to a professional stylist who knows the products well. There are a lot of hair products in the market and each has a different effect on the hair. In the salon the professional can show you a color chart and show little pieces of hair which were colored to compare with your present hair color. They can tell what will happen once the product is applied on...

How To: Pack a suitcase like a professional concierge

In this video, we learn how to pack a suitcase like a professional concierge. First, you want to tuck in the edge of the case and pack the shoes at the very bottom. After this, tuck shoes or underwear into boots and shoes to help save room. Next, lie the jeans over the luggage and then fold shirts up to where you are rolling them from the bottom up and place them on the pants. Add in any more shirts, then place the waist band and bottom of the pants over the shirts. Use tissue paper on the to...

How To: Make a cheap DIY camera slider for your film

Film and television cinematographers love sliding camera shots, especially since ER made them a standard device for television dramas. A professional sliding camera setup is expensive though. Why not make one yourself? This video will show you how to turn $20 into a high-quality filmmaking tool that you can use to give your films some very professional-looking shots. Now get out there and follow that gurney with the camera!

How To: Have a professional look for an older woman

Image consultant, Sara Connolly shows you how do look good when asking for that promotion or at that meeting. In order to become successful you need to look like you already ARE successful so have a go at this serious boardroom look. Immaculate make-up is part of your professional image and you need to look confident and powerful but who has time for that in the morning. This 10 minute routine will have you looking the part in no time, perfect for the mature lady.

How To: Perform the ultimate professional jazz aces card trick

This video shows the viewer Andy Fields ‘Ultimate Professional Jazz Aces’. The trick starts with 4 queens’ face down on the table. Next 4 black cards are selected. Seemingly these cards are made to change places with the queens’ one at a time. This is supposedly done simply with a flick of the wrist. After all of the queens have been swapped the viewer is led to believe that the queen must be lying face down in a pile and that the black cards must be in the magicians hands. However on closer ...

How To: Use the JVC GY-DV5100U professional camcorder

Check out this cinematography tutorial video that demonstrates how to use the GY-DV5100U Professional DV Camcorder. JVC has upgraded the camera's features and digital processing circuits to meet the requirements of a growing number of broadcasters looking for cost effective alternatives to the over-priced tapeless solutions of other manufacturers. This video is great for cinematographers and filmmaking aficionados alike. Learn all the functions and settings on the GY-DV5100U with this instruc...

How To: Use the JVC DR-DV5000 Direct To Edit

Check out this cinematography tutorial video that demonstrates how to use your professional JVC DR-DV5000 Direct to Edit (DTE). The DR-DV5000 is designed to mount directly to your JVC GY-DV5100 and turn it into a DV-Disk recording solution. It becomes possible to shoot directly to disk or simultaneously to tape and disk. The DTE capture files are a mirror image of what's recorded. Learn everything there is to know about the DR-DV5000 with this instructional cinematography video and start usin...