How To: Make nitric acid
Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials.
Quantity Generator Search Results
How To: Use optimization methods in calculus
This video shows how to use optimization methods in calculus. Optimization means finding the maximum or minimum values of a quantity or finding when the maximum or minimum occurs.What quantities are optimized in economics?we want to minimize costs or maximize revenue.First steps in any optimization problem1.Identify the quantity to be optimized i.e., read the problem exactly what is exactly maximized or minimized.2.Identified the feasible domain. This is important because the math we can opti...
How To: Solve percent proportions
A percent problem is one in which you are given a quantity and asked to compute the value of a percent of it. You may also be given the whole quantity and a part of it and asked to compute the percentage of the part in the whole. To do these kind of problems you need to use the rule which states that the ratio of the part to the base it equal to the ratio of the percent to hundred. That is part/base = percent/100. This comes from the definition of percentage which states that percentage is eq...
How To: Build a simple carboard magnet generator
Build this ultra-simple AC electric generator from magnets, wire, and cardboard. (And a big nail!) Light a small lightbulb, or flash a red LED.
How To: Find the percent change using proportions
In this video, the instructor shows how to identify the percentage change using proportions. When a given quantity increases or decreases by certain amount then we can calculate the percentage change in the quantity, which can be either increase or decrease based on the new value of the quantity. To solve these kind of situations you should know that the ratio of amount of increase (or decrease) of an amount to its original amount is equal to the ratio of percentage increase (or decrease) to ...
How To: Make a wind-powered generator with MAKE magazine
MAKE magazine never fails to amaze. And this time, John Park tackles a DIY wind-powered generator—and he shows you how to do it! Before you start watching the video tutorial, make sure to download the PDF of this project for reference.
How To: Start and operate a portable electric generator
There are several safety precautions and steps that you must take before you attempt to start or use a portable generator. Take a look at this guide to learn how to check the oil levels, connect the battery to the generator, and start the generator.
How To: Earn the Chaos Generator achievement when playing Left 4 Dead 2
At the end of the Sacrifice, you'll need need to turn on three generators at the same time, so you'll need two friends to help you get this. Once the generators are hit at the same time, you'll get the Chaos Generator achievement.
How To: Set up a standby generator for your home or business
In this video tutorial, viewers learn how to set up a standby generator for their home or business. A standby generator is a back-up electrical system that operates automatically. This video shows you how to properly setup a standby generator to power your home or business in the event of an emergency. It provides many tips. If you choose to use a portable standby generator, it should be used as conjunction with the manual transfer system which consists of a manual transfer switch, power inle...
How To: Set up a generator for a home or business
This video details how to set up a generator to provide back-up power for a home or business. Generators are the ideal emergency power solution for a home or business, generators can automatically transfer the power load from the utility power line to the generator when an outage occurs. To make sure the generator is always ready, generators can self run weekly and perform self diagnostics so maintenance issues are minimized or eliminated. When planning to use a portable generator, it should ...
How To: Remove the generator easily in a VW beetle bug
In this short video Chris Vallone shows you how to remove the generator from a vintage Volkswagen beetle with less hassle. If you own a classic VW bug and need to fix or replace the generator then this tutorial will make it go much easier.
How To: Build a small hydrogen HHO generator
Make your very own hydrogen (and oxygen) generator with a 9V battery, copper wire, and baking soda (or salt). Why? Who knows. Make sure to check your connections. For more information on this hack, including detailed, step-by-step instructions on assembling your own HHO generator, watch this how-to video.
How To: Use the Sytrus Generator in FL Studio
Use the Sytrus generator in FL Studio to create a variety of sounds. Learn how to use the sound generator features of FL Studio in this free digital audio workstation tutorial from our music recording expert.
How To: Experiment with a Van de Graaff generator
Try out this science experiment... watch this video tutorial to learn how to experiment with a Van de Graaff generator. This is purely educational, and demonstrates different techniques in using the Van de Graaff generator.
How To: Use a function generator to make waveforms for electronics projects
A function or signal generator is an electronic device that can create different types of waves and send them through a circuit without building oscillators. This video will teach you how they work and how to build a basic LED dimmer that uses one as an example.
How To: Make a water drop electrostatic generator
Wanna make some lighting in your very own home? You can with this cool how-to video. Basically what you'll be creating is called a Kelvin's Thunderstorm, or, a water drop electrostatic generator. Check out the video to see what supplies you'll need to make this experiement work.
How To: Build a hydrogen generator
Check out this how-to video and learn how to build a SAFE hydrogen generator. Be sure that you test volts vs. amps for safety reasons! Follow along with this instructional video, and start making some sweet, sweet hydrogen.
How To: Build an obsidian generator in Minecraft 1.8.1
Obsidian is a very useful component in any Minecrafter's toolbox, but if you want to easily create a ton of it at once, why not build an obsidian generator so that you can easily get obsidian ore? This video guide will show you exactly what steps to take to build an obsidian generator in Minecraft.
How To: Build a long-lasting hydrogen generator
This how-to video offers step by step instructions for how to build a stainless steel hydrogen generator for $15 dollars. You will need six stainless steel outlet covers with weather seal, 4 screws and nuts, 12 nylon washers and silicone. Learn how to make this hydrogen generator by watching this instructional video.
How To: Use a portable generator to keep your home powered in an emergency
Having an emergency power generator is a great way to be prepared for an emergency. With it, you can keep power flowing to the appliances you need the most. Take a look at this guide on how to properly and safely configure a power generator.
How To: Safely operate a portable generator
A portable generator is of no utility whatsoever if you don't know how to use it safely. This video tutorial will teach you the fundamentals of safely operating a standy generator. Be sure, however, that you also read the manual specific to your model. Learn how to safely generate back-up power with this free video guide.
How To: Set up and maintain a portable generator
Danny Lipford gives us tips on setting up and maintaining a portable generator. Set-up usually includes assembly of things like wheels and handle kits. Most portable generators come without oil so you will need to add it. Be sure to check the owner’s manual for the proper type of fuel to use.
How To: Keep a portable generator quiet by building an enclosure
Having a portable gas-operated or diesel-operated generator available for your home can be very helpful, but can also be very noisy. If you want to quiet a loud electric generator, take a look at this video to soften that sound on a budget. With a little wood and a few other materials, you can build a fan-cooled 'doghouse' to keep a generator quiet.
How To: Make light using a stepper motor generator
In this tutorial, we learn how to make light using a stepper motor generator. First, take the motor out of an old printer that you don't use anymore. After this, find a few LED lights. You will need to solder the LED lights, then connect them with a soldering iron to the printer motor. Now connect these to a generator, and the light should now shine so that you can see in the dark! This won't use any additional electricity, so you are helping the environment. All of the pieces used to make th...
How To: Use Ohm's Law for your electrical needs
The first video introduces the basic electrical quantities of charge, current, voltage, and resistance. The concept of quantities and units is explained. The units of Coulombs, Volts, Amperes, and Ohms are described. The three basic formulas of Ohm's Law (E=IR, I=E/R and R=E/I) are also introduced.
How To: Set up and safely operate a generator with ease
You never know when disaster will happen. You could be going about your business one minute and the next - the power blows out. There are many reasons why a black out can be devastating and if you have small children or run a business that needs to stay lit, check out this video. In it, you will learn how to safely setup and operate a generator to keep your power going through thick and thin.
How To: Use an oscilloscope and function generator
If you're an electrical engineer, you needn't worry about this educational video, but if you aren't...
How To: Make an IR detection device and measure temperature w/ quenched phosphors
Phosphors are great for lighting up areas where fire will not burn, and also for keeping humans alive in very small quantities. Quenching phosphors allows you to use them for all sorts of cool projects, and this video will show you how to make an IR detection device with quenched phosphors and also how to measure temperature with thermally quenched phosphors.
How To: Craft molded designer soaps with intricate templates
When soap making, soap molds save you a lot of time, allowing you to produce prettily shaped bathtime goodies in less time and in greater quantities. Designs (decals) can then be added on top of these soaps for a personalized effect.
How To: Discuss food you like and dislike in English
In this episode you will learn how to discuss food you like and dislike and how to express quantities in the English language.
How To: Check whether quantities are equal in two lists in Microsoft Excel 2010
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 724th installment in their series of digital spreadsheet magic tricks, you'll learn how to check if quantities are the same in two lists and show the differences if not, list the word "equal" if they are the same, and "not in list" if the lookup items is not in list using the MATCH, INSA, VLOOKUP and IF functions.
How To: Solve multi-step equations with absolute values
This educational math video describes the steps necessary to solve an equation involving absolute values. "Absolute value" refers to the magnitude of a quantity and is always expressed as a positive number. You can think of absolute value as the distance a number would be from zero if plotted on a number line. Positive 17 and negative 17 both have the same absolute value because both are 17 units from zero on a number line. Because of this, all absolute value problems have two answers, one wh...
How To: Measure food quantities for healthier eating
When eating healthy, try this strategy to feeling fuller on fewer calories. This diet and health how-to video is part of Healthy Appetite with Ellie Krieger show hosted by Ellie Krieger. Cooking healthy food can be quick, easy, but most of all, delicious. Nutritionist and author Ellie Krieger has created fast and simple healthy recipes for the real world. She'll show you how simple it can be to stay on the healthy track no matter how busy and stressful your life is. Ellie also has strategies ...
How To: Build an infinite cobblestone generator in Minecraft
You've got to have cobblestone. Make sure your supply is never short by building a cobblestone generator, so that you have infinite cobblestone. Give yourself the advantage in Minecraft by watching this video and following the design and building technique.
How To: Craft an Obsidian generator in Terraria
Obsidian is an excellent resource for crafting in Terraria. With enough, you can even build yourself a fine house. This video will show you how to set up an Obsidian generator using vats, grinders, and duplicators. This is expert Terraria crafting.
How To: Build a compact cobblestone generator in Minecraft
Want to build a cobblestone generator but would prefer that it not take up too much space? This gamer's guide will walk you through the construction of a lean cobblestone machine. For complete instructions, watch the video!
How To: Build a random password generator class for Flash Builder with PHP
In this clip, you'll learn how to create a random password generator class in Flash Builder with PHP. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look.
How To: Create a password generator with basic PHP
In this clip, you'll learn how to create a barebones password generator with PHP. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look.
How To: Use the Boris vector shape generator in Final Cut Pro
In this video clip, you'll learn how to use the Boris vector shape generator within Final Cut Pro. 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, including detailed, step-by-step instructions, watch this tutorial.
How To: Build a simple Van de Graaff generator
Want to build a Van de Graaf electrostatic generator? Who doesn't! This video tutorial will show you how. To follow along at home, you'll need the following items: a rubber band–the longer the better–, a small motor, a small glass object like a Christmas tree light, and some type of plastic roller. For simple, step-by-step instructions, watch this Van de Graaf-buildin' how-to.
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