Principle Difference Search Results

How To: Perform an upper extremity exam on a patient

This video will show doctors the process of examining the upper extremity of the body. When you exam the extremities or any joints, it's good to have a systematic approach to how you will examine each joint. Learn about the inspection of each joint, range of motion, palpation and strength testing from Eve Bargmann, M.D. When examining the upper extremity, you should start with the shoulder and work you way down to the elbow, then the wrist, and lastly, the hand.

How To: Solve word problems that involve rounding to estimate differences

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 free math tutorials, you'll learn how to unpack and solve problems that require you to estimate differences by rounding.

How To: Use the correct tires for the temperature and improve RC performance

Optimize vehicle performance by knowing the differences between the different tires available for your RC vehicle. Each type of tire (commonly referred to by the red dot, blue dot or green dot) is optimized for a specific operating temperature range. Knowing about the different temperatures and what tires are best suited for them could be the difference between first place and second. Find out more in this instructional video.

How To: Calculate the confidence interval for difference between means

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 find the CI for the difference between means.

How To: Calculate the sampling distribution of difference between means

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 find the sampling distribution for the difference between means.

How To: Find the variance of differences of random variables in statistics

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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, we learn how to calculate the variance of differences of random variables.

How To: Use filters in Final Cut Pro and Final Cut Express

This clip explains the biggest difference between Final Cut Pro and Expres — to wit, the Filters. Whether you're new to Apple's Final Cut Pro non-linear video editor or just want to better acquaint yourself with the popular video editing program, you're sure to benefit from this video tutorial. For more information, and to learn more about the difference between FCP and FCE, watch this tutorial.

How To: Add the difference between 2 number columns in Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 339th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SUMPRODUCT function to add the difference between two columns of numbers based on two criteria.

How To: Perform a lower extremity exam on a patient

In this medical video, learn the process of examining the lower extremity of the body. See demonstrations of how you inspect the lower extremity, how you palpate and then perform passive range of motion of the hip, knee and ankle. John D. Gazewood, MD, MSPH, will also teach doctors special maneuvers to help examine a knee injury. With any type of musculoskeletal exam, you're looking for things like deformity, swelling, and changes in coloration.

How To: Master weight and balance concepts with NASA

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.

How To: Learn to set Type on a Letterpress

Check out this 1959 instructional film on how to manually set type on a letterpress. You can use these techniques to create posters, chapbooks, artist prints, and all kinds of D.I.Y. old school printing fun. All graphic designers and anyone working in the printing should check this out. The video demonstrates basic principles of typesetting and distribution. The film stresses the correct way of manipulating the type, spotting letters before they are chosen and the importance of following copy...

How To: Say differences in Italian like "happy" & "sad"

In this tutorial, we learn how to say differences in Italian like "happy" & "sad". To say "happy", you would say "felice" and to say "sad" you would say "triste. To say "hot" you would say "caldo" and to say "cold" you would say "freddo". To say "good" you would say "buono" and to say "bad" you would say "cattivo". Just learning how to say differences will help you out a lot while saying different words in everyday sentences. The more words you learn, the better idea you will have when saying...

How To: Write a logarithm as a sum or difference of logarithms

This video shows the method to write a logarithm as a sum or difference of logarithms. The square root of the term given is taken out as half according to the rule. Then the numerator and denominator is divided into product of factors. This is broken into the difference of numerator and denominator according to the rule. Finally, the product of factors is expressed as the sum of factors. Now we see the domain of the term. As the term is a square root of the term it should be greater than zero...

How To: Find the percent increase or decrease in a quantity

This video shows us the method to find the percent increase or decrease in a quantity. This can be done in 30 seconds. The formula states that the percentage increase or decrease is equal to the product of the ratio of amount (increase or decrease) and the original amount and 100. This is explained by two examples. In the first example the amount of increase of the price of groceries is found by taking the difference of the new price and the old price. This is divided by the original price an...

How To: Use the Pioneer CDJ400 versus the CDJ800 mixer

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains the difference between the Pioneer CDJ400 and the CDJ800 mixers. Is there a difference? This video shows you the two CDJ's side by side to try to see if there is any difference between the two regarding the use of the platter for scratching. Watch this DJ tutoria...

How To: Palm read your subject's left hand

The left hand indicates what your subject has inherited from their family. Giving a reading on the left hand is different than the right, even for the same person. Peter John lays out a few palmistry principles if you want to give someone a palm reading on their left hand.

How To: Shoot low-angle footage

This how-to video offers some pointers on how to take footage from a low angle. This technique captures a unique perspective neglected by traditional methods of film-making. The principle is simple, flip the camera and go. Check out this video lesson and learn how to shoot low angle footage.

How To: Clicker train rabbits

These rabbit tricks are from the Santa Barbara Bunnies Urgently Needing Shelter Association. BUNSSB.org is training the bunnies to respond to a clicker using principles of Pavlov's dog. She shows his tricks and when you must click and give a treat to reinforce the trained behavior.