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...
Using only vinegar and a few simple materials, it is possible to construct a working battery. This science video tutorial explains how to construct and use a battery like this to power a calculator. A good science project as part of an introductory electricity course. This project can be used as a science fair project or merely for fun. If you've ever wanted to make your own battery, know is the time, this science experiment will show you how.
This science video demonstrates how to construct a model windmill and then calculate its power output. This tutorial also includes a discussion of Energy, Work, Power, Joules and Watts. If you know anything about electricity, you'll be fine with this science experiment. If you know how to be constructive, you'll be fine too. This science lab is not only fun and educational, but you'll have your very own windmill at the end.
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 12th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate average and marginal tax rates with Excel.
This video demonstrates how to remove the air conditioning condenser from a Nissan Altima. If your air conditioning isn't working, especially if you live in a hot, traffiky part of the world, your life is probably pretty miserable. This video will help you to rectify the situation yourself at home without having to pay half of your monthly salary to a mechanic.
Take a look at this instructional video and learn how to use simple formulas in Microsoft Office Excel 2007 to add, subtract, multiply, and divide. For example, you can use a prewritten formula called the SUM function to find totals, such as your total monthly expenses. Excel updates the results if the numbers change later.
This video teaches the basics of Ohm's law, which is an important equation in electrical engineering. The three variables which are used in this equation are V, which stands for voltage, I for current, and R for resistance. The equation for the law itself is I=V/R. This law defines the relationship between these three very important electrical properties. The host of the video further explains what voltage, current, and resistance are and how they work in relation to an electrical current. Gi...
Whether it is damaged in a storm or you're just replace an old one with a new model, replacing an exterior light fixture can help the overall look of your home. It's an easy job that can be done in less than an hour, but it's very dangerous.
Ultimate Handyman demonstrates how to check a washing machine pump for blockages. First, disconnect the washing machine from the electricity source and remove the pump. The water sucks through the inlet and is pumped out of the outlet. Check to make sure that the pump doesn't have any open circuits by attaching the leads to the multimeter. Remove the screws to look inside the pump. Remove any debris that may be clogging the propellor. Make sure the O-ring around the edge creates the seal and ...
VieDo expert Alan Puccinelli shows us how to make your own battery with a simple lemon. You might think it's impossible, but if you follow the instructions in this tutorial, you will find out that it is actually really simple. The video gives you a lot of information about electricity and about the way this lemon provides energy, so you will easily understand not only how to do it, but how does it work. Even though it's a very interesting experiment, such a lemon only gives you about one volt...
Fix the 2 packs of Ramen noodles as instructed on the package. You can buy 12 individual packs as they are a few cents cheaper. Some people like to coordinate my noodle flavors with the type of meat they're using. For chicken flavoring, use turkey or chicken. For beef flavoring, use beef or pork. For hrimp flavoring, use any type of seafood.
Ron Hazelton brings you this video on wainscoting. Wainscoting is paneling that runs about a third of the way up a wall. Ron shows you how to use a chair to figure exactly where to place the chair rail. When installing around electrical outlets be sure to turn off the electricity. Next cut all the panel sections to length. When you attach them to the wall be sure to attach at top and bottom. Next attach the paneling, you can use a scarf joint to hide the seams. When installing the chair rail,...
Don't just drink your milk... have fun with it! Check out this science experiment video to see how to curdle milk with a battery and salt. This experiment can be done by anyone with a few simple materials... milk, a 9-volt battery, a small glass or plastic cup, salt and a stirring rod.
Snails and slugs are a big problem for gardeners across the country, whether it be a hosta patch or your lettuce, they love to eat a wide variety of plants. If you have containers, raised beds, even if you have benches slugs will climb up and over and into your plants. To get rid of these pests you could use baits, traps or a preventative barrier. Copper tape is a protective barrier that works. Copper conducts enough electricity so that when that slimy slug touches the copper strip it gets a ...
It's finally here. After years of rumors and speculation, Apple unveiled the new iPhone SE on April 15. While it doesn't have a 4-inch display like the original SE, it's the smallest new iPhone you can buy today, with the chipset of the iPhone 11, 11 Pro, and 11 Pro Max. So, when can you get your hands on it?
If you want to save money on your electric bill, try building some of these solar panels using solar cells wired in a series. You can save money by using extra glass you or a friend may already own if it isn't being used. Soon you can harness the power of the sun by creating your own solar electricity.
In this video, we learn how to change a circuit breaker. First, turn the main breaker off so there is no running electricity. Then, go to the meter area around your circuit breaker system. With these, there will be wires running all around the entire system. With most breakers, you can pull them right out from where they clip in. There will be a wire connected to this which you can remove. Do this, and then connect the wire to the new breaker. Snap this back into place and make sure it's secu...
In this video we learn how to replace an electrical light switch. First, turn the power off in your home. Then, remove the screws around the switch exposing the wires. Confirm that they are dead with a tester, then you can get started removing. Wrap electrical tape around the wires and then label them with what they were connected to. Tear this out of the terminals, then replace the new one with the wires hanging out. Make sure you place the wires back into the same terminals as before, using...
Are your electricity and water bills comparable with that of Raging Waters? Then it's probably the right time to consider how to save on your energy and water bill by taking small steps like assessing where you're at in your home, having an energy audit, and eliminate leaky faucets.
Owning an RV can be considered a bigger responsibility than owning a normal car. Unlike a car, RVs can be used as a portable home on the road and features many things that a car doesn't have. Bathrooms, water faucets, electricity, etc. So if you begin to hear a pulsing sound coming from your propane regulator, then you may have a problem.
In this video, we learn how to reset your wireless router. You can use this if you are getting the "server can't be found" error, and it will work most of the time. First, grab your router and unplug the electricity and DSL plugs that are in the router. They will be round and look like post, and shouldn't be hard to find. After you unplug it, plug it back in after about 30-45 seconds. This will reboot your router, so it will most likely fix the problem you are experiencing. You should be able...
In this video tutorial, viewers learn how to conserve at home. One way to conserve at home is to have a recycling bin. Before throwing away a recyclable item, rinse it off first to avoid unpleasant odors. Change all the incandescent light bulbs in your home to fluorescent light bulbs to conserve the electricity. Fluorescent light bulbs consume 4 times less energy and lasts 8 times longer. Use home appliances that have the "Energy Star" label on them. Wash your clothing with cold water. Eat or...
A great way to save on money and energy during the hot summer months, is by installing a ceiling fan. Not only can this be a great alternative to using an A/C, but it's easy to install and can sometimes help the overall look of a room.
If you're looking to set a mood with your significant other or are trying to find a way to limit how much light you have, dimmer switches are the way to go. They're easy to use and are perfect for anybody who likes to have different lighting options available to them. This video will show you how to install a three way dimmer switch from scratch. When installing be aware that you need to turn off the electricity before doing so, otherwise you may be electrocuted. Be careful and good luck!
PeteMcCormack2 teaches viewers how they can live off the grid! First, you will need shelter, heat and water! And possibly some electricity. You need head so you can use a high efficiency wood stove. You always need to have water so you can use a well or a water pump. Also, for a pump you will need power, you can use solar power for this! You can also use a pressure tank. This way of life does not necessarily cost much and with self installation it will lower the cost also. All you have to do ...
This video shows several tips that will help you cut down the electricity usage of your refrigerator. Think about what you want from the fridge before opening the door, instead of standing there with the door open while deciding what you want. Set the temperature of your fridge only as cold as necessary, and allow 24 hours for any temperature changes to take effect. Keep exterior condensation switches off unless you need them. Make sure the door gasket is clean and in good condition. Clean it...
Brian Padilla from Hilo Guitars demonstrates how to tune a ukulele without a tuner. To tune a ukulele without a tuner, first pluck the G string and compare it to the seventh fret of the C string and match the pitch. On the same C string drop down to the fourth fret and match the E string to it. Go to the fifth fret on the E string and match the A string to it. Make adjustments as necessary. If your tuner runs out of batteries or you're stranded in an area without electricity, use the fret mat...
Gary Bunzer the RV Doctor shows how to avoid potential RV problems by cleaning your electrical hookup cord. Before you connect your RV to an electricity supply, make sure to clean and brighten the metal contacts on your shoreline cord. Use fine-grade steel wool to clean all surface corrosion off your cord's prongs. You can also use sandpaper, emery cloth or any other gentle abrasive. After you get the metal prongs clean and shiny, use a dauber or brush to coat the surface of the prongs with a...
Richpin demonstrates how to test an alternator with a standard multimeter. First make sure that the vehicle's battery is fully charged. Take the negative lead of the multimeter and put it on the negative post of the battery. Place the positive lead of the meter on the positive lead of the battery. Set the meter to DC voltage using the 20 scale and read the display to ensure the battery is fully charged. Next start up the vehicle and see what the alternator is producing. The display should now...
Is your computer's LCD screen getting so dirty you can barely make out what you're typing. Use a few household ingredients to keep a clear, sharp image on your LCD screen without clouding or scratching it.
Although not made of electricity, the electric lemonade brings a lot of cool colors, carbonation and alcohol to the table. A bit o' rum, some blue curacao and a little sweet sour and you're rocking.
Electric garage doors are a great convenience -- until, of course, they break. The bad news: a dozen things could be to blame. The good news: many are easy to fix yourself. Watch this video to learn how to repair your garage door opener.
This is a video tutorial on how to make a USB aquarium powered by a under-gravel LED bulb that is powered by a USB port. With a bit of simple engineering, build a circuit to provide elegant lighting to your aquarium. Connect the wiring to the air pump for a cool lighted bubble effect. Plus, it's powered by your computer! Don't use expensive fish, or those which are sensitive to DC Currents. Don't do this project in a saline water tank, because salt conducts more electricity.
This short video tutorial series on washing clothes without power. In an extended emergency, it might be difficult to wash clothes without electricity or out in nature. All you'll need is a little bit of soap, water, and some buckets. Watch this survival training video and learn how to wash clothes in an emergency or disaster situation.
The best physics lecturer, Walter Lewin, makes another wonderful physics demonstration after having read a lecture on batteries.
Apple Music offers a cheaper subscription option to those of you who look for it — only $99 for a year. If you are already an Apple Music user, you can access the option right now. Otherwise, you have to sign up for a normal monthly plan first, then switch to this plan to get a better deal after.
In the perpetual search for a renewable and convenient energy source, our bacterial friends have once again stolen the limelight.
Apple just unveiled the new iPhone 7 and 7 Plus at their September event, which means we're inching closer to traffic jams, parking lot fights, and day-long lines at Apple Stores, as well as those inevitable, dreaded words: "sold out."
Amazingly enough, some of us still have to worry about exceeding our monthly mobile data limits. You'd figure carriers would have given the customers what they want by now by offering truly unlimited plans, but with two conglomerates sitting atop the U.S. cellular market with fat pocketbooks that make for limitless lobbying, they can basically do whatever they want.
When you're on a limited data plan, bumping up against your monthly cap is a major concern. Overage fees are incredibly high these days, and being throttled down to 2G coverage almost renders a smartphone completely useless.