Electricity Search Results

Understanding Electricity: Nikola Tesla

Nikola Tesla In my opinion, one of the most neglected inventors of all time. The names Edison and Marconi come to mind as familiar, but Tesla? Most think of a car. Few know that Tesla is responsible for alternating current, florescent lights, radar, remote control, generators that preform efficiently, the spark plug, and many others. The U.S Supreme Court declared in 1943 that Tesla, not Marconi, was the true inventor of the radio.

How To: Turn an LCD screen into a simple EL (electroluminescent) display

Electroluminescent (EL) materials light up when electricity passes through them, as opposed to more common incandescent lights that respond to heat. EL displays are becoming very popular in advertising and art,but getting them or the materials to make them can be expensive. Watch this video to learn how to turn an LCD into a simple EL display, and also how superglue can be used as a cheap dielectric in this sort of project.

How To: Build an electromagnet

This video demonstrates the relationship between electricity and magnetism and shows how to construct an electromagnet using a 4 inch iron nail, 5 meters of copper wire and a 1.5 volt AA battery. Electromagnetism was discovered by the Danish scientist Oersted. Electromagnetism is the science behind electric motors, solenoids, speakers and electromagnets.

How To: Install RAM in an MacBook white unibody

OWC, Other World Computing, demonstrates how to install RAM or upgrade and replace the memory in a 13-inch Macbook unibody. Installing RAM will take approximately 10 minutes to complete and is a relatively easy task. It will require the use of a Philips head screwdriver. First, discharge static electricity before performing the upgrade and make sure the computer is turned off. Close the lid, flip the Macbook over and remove the eight screws on the underside of the computer. Then, lift up the ...

How To: Wire a solar cell into an electrical circuit

The Solar Schoolhouse presents this video tutorial on how to use the Solar Cell Classroom Set. The purpose of this set is to give students hands on experience making electricity using sunlight. See what's inside the set, and then see how to wire three different types of electrical circuits: a simple circuit, a series circuit, and finally a parallel circuit.

How To: Install a hard drive in a 13" MacBook Pro (2009)

To install a hard drive in a 13" (13 inch) Macbook Pro laptop computer released in 2009 you will make sure to first transfer all data off the drive then discharge any static electricity from your hands making sure your are in a static free work environment. Next you will remove the old hard drive, to do this flip over the laptop and remove the 10 screws around the edge of the device with a #00 Phillips screwdriver starting with the three longer screws on the top right. Next, lift off the bott...

How To: Install memory in a 17" MacBook Pro

This video from OWC presents how to install memory in a 17" Macbook Pro.The operation will take about 15 minutes and doesn't require an experienced user.First you need to provide all necessary anti-static precautions - discharge static electricity, use static-free surface.You'll need #00 Phillips screwdriver and nylon pry tool.You can find these in the Newer Technology 11-piece tool kit.To start, shut down the computer, close it and flip it over.You will need to remove 10 screws. Use #00 scre...

How To: Install memory in a 2009 Mac Pro

MacOSG demonstrates how to install memory in a 2009 Mac Pro. When performing this upgrade, be sure to take precautions for static by discharging static electricity before beginning. Shut down, unplug and place the Mac Pro on a static-free surface. To access the memory, you need to open the side access door by lifting the latch located on the rear of the Mac until it locks in the open position. You can then the door forward and then remove from the body. The memory is attached to the processor...

How To: Make an amazing floating static orb

Learn how to make this spooky, amazing floating static orb. This is so simple, and so cool. It uses static electricity to make a tinsel orb levitate above a PVC pipe. We've gotten the orb to float for over 10 minutes. We just discovered you can use a regular balloon instead of the PVC pipe, but we like the pipe best. Watch the video, and then make your own!

How To: Use hydrogen for better mileage

Hydrogen can be used to improve mileage. The hope with this method is that hydrogen will increase the amount of gasoline combusted and increase fuel efficiency, as you trickle hydrogen into the tank. Often propane is used to increase gas mileage. The studies are still being done. There's no official data at present, but there is significant experimentation.

How To: Make an electroscope for static electricty experiments

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.

How To: Test a starter capacitors in your car

If you're looking to see if you're working with a live, dead, or leaking capacitor, this video is just what you need. You'll want to have a multimeter and you need to remember: capacitors can be dangerous things. They hold and release electricity very rapidly, so you can get shocked or electrocuted if you don't exercise caution.

How To: Make the legendary golden phoenix origami Pokemon

Most of us are familiar with the names Pikachu, Jiggly Puff, and Maril. If you grew up during the late nineties, then it was virtually impossible to get away from Pokemon fevor, and these were the chubby and cute crowd pleasers that everyone loved. But, if you were (or are) a true Pokemon fan, then you know that Pokemon lore extends far beyond a yellow electricity-conducting rodent.

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: Construct a vinegar battery and power a calculator

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.

How To: Construct a model windmill and calculate its power

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.

How To: Pull the refrigerator handle switch prank

Pranks are the world's favorite pastime. Everyone loves a good prank, and there's nothing better than keeping someones stomach empty. Imagine the pain and suffering one would endure if he or she could not eat because the fridge will not open. Most refrigerators allow for reversing the door swing. Normally you also switch the handle. But not if you want to thoroughly confuse the victim of this practical joke.

How To: Install a hard drive in a 2009 Mac Pro

First of all the tutor suggests that this tutorial is easy and you can complete it only fifteen minutes. However you need to use proper anti-static precautions when you are performing this upgrade. You have to ensure to discharge static electricity before beginning. You must also work on a static free surface. You need a "#00 Philips screwdriver" which you can find in the “Newer Technology” 11-piece tool kit. It is available from macsales.Gather all your materials and then shut down your comp...

How To: Create exploding water

Watch this instructional science video to learn how to create hydrogen from water, salt and electricity, for only a few dollars. This is an experiment that produces explosive gases, involves electricity and water and a number of risks so please be careful. Not an experiment to be performed by idiots. Create exploding water with this educational tutorial.

How To: Experiment with magnets and eddy currents

Eddy Currents are little circles of electricity created when metals are moved by magnets or even when magnets are moved by metals. To understand this practically take a regular piece of cardboard and drop it in between a horse shoe magnet. It drops normally with out being effected by the magnet. This is because the cardboard does not conduct electricity. Therefore it does not cause any eddy currents. But instead if you use an aluminum piece in the same way, it falls very slowly, because alumi...

How To: Install exterior motion-sensor lights with Lowe's

In this tutorial by Lowe's, we learn how to install exterior motion-sensor lights with Lowe's. First, you will need to pick out what kind of motion sensor light you want. Most of the kits you purchase will come equipped with all the things you need, you will just need to supply the hardware. You will need: a screwdriver, circuit tester, electrical tape, silicone caulk, work gloves, and safety glasses. Open up the package and find the directions inside of it. After this, turn off the electrici...