Communications Electrical Chemical Search Results

How To: Get your home ready for a new dog

Pet-proofing your house won't just protect your possessions from becoming chew toys—it could save your dog's life. You will need a dog crate, a dog who's ready to move in, dog manuals, pet repellent, electrical cord covers, baby gates and a dog bed or towels for bedding. These are helpful tips for pet proofing your home for your new puppy or dog.

How To: Make a Deadpool sword

In this tutorial, we learn how to make a Deadpool sword. To do this, you will need: a marker, scissors, hard plastic, cardboard, silver spray paint, duct tape, saw, electrical tape, sandpaper, and hot glue gun. First, cut the plastic into three thin knife shapes. Then, use sandpaper to smooth edges. Then, use the cardboard to create three layers of a rectangle. Make the corners round and then tape around them with duct tape. Put a hole in the middle and then put it into the plastic. Now, glue...

How To: Reinforce a ceiling fan

In this tutorial, we learn how to reinforce a ceiling fan. If you are hanging a ceiling fan, you need to make sure the electrical box is reinforced and can carry the weight. The ceiling fan can weigh 20 lbs or more. First, remove the existing ceiling box and push the wiring through. Next, push the bracket through the hole until it's completely in. Next, twist the brace until it's tight. After this, put the bracket in and then take your electrical box and line it up to the bracket so you can s...

How To: Make a cheap studio light with soft box for under $20

This video shows how to make a studio softbox light for under 20 dollars. It is made with items found around the home or easily acquired. The author takes us through the process in a step by step manner. It starts with a cheap camera tripod upon which a plastic electrical outlet strip is attached using either a screw or strong plastic adhesive. An electrical plug with a light socket attachment is plugged into the strip to allow the light to be attached. A small cooler with a hole cut in the b...

How To: Replace the burned out headlights in your car

In this Autos, Motorcycles & Planes video tutorial Tool Dude Tony will show you how to replace the burned out headlights in your car. It’s pretty simple. Open the hood. Then pull out the electrical connector by pressing down on the locking mechanism and pulling it straight back. Next remove the locking ring that surrounds the bulb. Pull the bulb straight back. Remove the new bulb from the packing, put it straight in without touching anything. Put the locking ring back and plug in the electric...

How To: Repair a wash machine lid switch

This Home and Garden video tutorial shows how to repair a wash machine lid switch. This video is on a GE Prodigy machine. Looking inside the machine under the switch, she finds that two wires are broken. Take a screwdriver and press down the clip of the switch from underneath. One end will come out. Then, pull out the switch. After that it is very simple. Cut off a bit of the plastic coating from the ends of the wires, connect them to the switch and put some electrical tape around them. Now y...

How To: Replace the camshaft sensor on a Nissan Altima

In this video, Richpin demonstrates how to replace the camshaft sensor in a Nissan Altima. The cam sensor is located by the cylinder box. First, remove the electrical connector off of the sensor. Push up on the lock on the bottom of the sensor to pull back and remove the connector. The sensor is held in by a bolt so remove the bolt with a ratchet wrench. Next, pull out the sensor. Wiggle it to remove the seal of the o-ring. Rub the residual oil on the new sensor's o-ring. Then, slide the new ...

How To: Replace the windshield washer pump in a Saturn car

This video demonstrates how to replace the windshield washer pump in a Saturn S series car. Remove the reservoir by unscrewing the bolt and lift the reservoir and slide it back to take it off the mount. Disconnect the electrical connector by squeezing the clips and pull the connector off. Next remove the hose, making sure to cover the opening with the winger to prevent loss of fluid from the reservoir. Drain the fluid from the reservoir as shown. Get the pump off the reservoir by tapping the ...

How To: Cut a machine screw without damaging the threads

Every electrician knows you have to cut a screw every now and then to make it fit. But do they do it properly? Most will probably just use their linesman's or dikes, but using your wire strippers equipped with screw cutting is the proper way. Watch this video tutorial to see how to cut a machine screw without damaging the threads. An electrical screw or machine screw can be easily cut with a pair of electricians pliers. Cutting metric screws this way means that the thread will not be damaged ...

How To: Make chemical stalagmites

Check out this science experiment video on how to chemical stalagmites. Chemist Chris Schrempp (star high school teacher and author of the book Bangs, Flashes, and Explosions) walks host Chris Hardwick through the process of making chemical stalagmites and some cool exothermic reactions similar to hand warmers.

How To: Make glow sticks with DEP, TCPO, sodium acetate & dye

If you prefer glow sticks over candles during a power outage, then this how-to is for you! Although glow sticks are used as temporary light sources, there are other applications for them. Divers use them for night diving, fisherman use them to catch swordfish, and the military uses them for light markers, along with infrared versions used in conjunction with night vision devices. But with all these handy uses for glow sticks, the most popular is — recreational use, like dancing at raves, some...

How To: Make TCPO (for making glow sticks)

How to make TCPO or bis(2,4,6-trichlorophenyl) oxalate, used in glow stick reactions. WARNING: This procedure should only be performed by, or under the direct supervision of, an experienced chemist. Please refer to the material safety data sheets of all chemicals for their hazards. Synthesis must be performed in a fumehood.

How To: Swim a proper freestyle

New techniques may improve a swimming pool workout from Masters coach Nancy Kirkpatrick Reno. Before sticking a toe in the water, consider this advice: * Swim in a pool that's at least 20 to 25 yards long; those pools can usually be found at high schools and some gyms. A 50-meter Olympic-size pool is best, but not everyone has access to that. "If you're going to become a lap swimmer," Kirkpatrick-Reno says, "you can't go any shorter or you'll be constantly turning." An outdoor pool is prefera...

News: Watch NASA's Tracer Rockets Light Up the Sky with Cloud Trails

This morning, NASA launched the five suborbital sounding rockets from Virginia as part of ATREX (Anomalous Transport Rocket Experiment). Each rocket was launched 80 seconds apart and released chemical tracers that created "milky, white clouds at the edge of space." Now, I've seen plenty of bullet tracers in my life, but these are far more poetic. Take a look at the time-lapse video and see for yourself. Why shoot these tracer rockets? To help scientists "better understand the process responsi...

How To: Clean fruit with vinegar

Keeping things clean is very important to prevent food born illnesses. Washing fruit is important. You can take care of many problems by just running them under water. You can use white vinegar and hydrogen peroxide to clean fruit. Start by spraying some white vinegar on the fruit and then a little hydrogen peroxide. After you spray the fruit with white vinegar and hydrogen peroxide rinse it in water and that will wash all the vinegar and peroxide off of the fruit. The vinegar and peroxide wi...

How To: Pick a safe chemical lightening/whitening cream

You'd think that in the United States we have more of a problem of women wanting to look tan year round than white and pale. But many women actually crave the vampirish pale complexion, and because not all of them are born with it, some turn to whitening/lightening creams. Some women also turn to these creams because they claim to fade dark spots.

How To: Balance a chemical equation easily

In this video, we learn how to balance a chemical equation. First, take a look at both sides of the equation and figure out how many atoms there are for both. Once you write this out, you will have an idea of how unbalanced it is. Now that you've done this, you need to think about how you can make the equation equal. Look at the first line and then see how many you have to add to one side to make both equal to each other. Then, go to the second line and do the same. When finished, you will ha...

How To: Easily balance a chemical equation

In this video, we learn how to easily balance a chemical equation. In a balanced equation, there should be the same number of atoms on both sides of it. There are no rules that explain how you get a balanced reaction from expression. First, start on the molecule or compound that is the most atomically complex. After you look at this, you can learn how to make the rest of the equation equal to each side. This is a complex process that you must walk through to figure out, but it will result in ...

How To: Identify willow tree damage caused by a borer

Weeping willows, globe willows, corkscrew willow, cotton wood are all prone to bores than other diseases. They grow in fertile soil with lots of moisture. Never treat tree chemical. Prune as necessary, take out dead diseased limbs, water and fertilize regular. This ensures the tree lasts longer and that the tree is less attractive to insects. Where tomatoes are concerned to avoid sunburn ensure that they are slightly covered with the folding of the plant. High salt level of water or chemicals...

How To: Balance chemical equations with MyTutorBuddy

Learn how to balance chemical equations with MyTutorBuddy. Learn about this in this video tutorial. There are four easy steps to do this. Step #1 – place 1 by the most complex compound. Step #2 – balance anything that is not an element. Step #3 – balance the elements. Step #4 – multiply by the lowest common multiple. The 4th step doesn’t always come in to play. The video demonstrates with an equation: C3H8 + O2 -> H2O + CO2. But, this equation is not balanced. Using the 1st three steps, the v...

How To: Hack a camera

If you are a photographer and are handy with a screwdriver and electrical tape, this is a really cool project to do. Basically, you "Frankenstein" a camera, taking a camera apart and rebuilding it with different lenses and the like, which makes for really cool photo effects.

How To: Get free electricity from a phone jack

Learn how to get free electricity from your home telephone line just by watching this video. Save money on your power bill, and hack into the electricity coming out of the phone jack. The phone company doesn't monitor electricity usage, so you can probably get away with this con. Check out this video tutorial and learn how to tap into the electrical energy source in your phone line.