Chemical Contaminants Search Results

How To: Eat edible flowers

Rita Heikenfeld from AboutEating discusses some of the flowers that are not only beautiful but also edible. It is important not to eat flowers that have been sprayed with chemicals. Some of the more common edible flowers are the zinnia, petunia, and the marigold, which has a delicious citrus flavor and is used in bath oils. Impatiens are edible (just the flowers, not the leaves) and come in a variety of colors.

How To: Shrink an enlarged skin pore

Robert Scot, from ModernMom, shows viewers how to shrink an enlarged skin pore. Scott reminds us that genetics and aging do contribute to enlarged pores and skin condition, but there is still a way to deal with this. There is no way to permanently shrink enlarged pores but you can handle them with time. You can use cleansers and exfoliation to do the trick. Your cleanser should be for oily skin that will naturally purify your skin. You really want to focus on exfoliation and use exfoliates wi...

How To: Unclog a slow drain without calling a plummer

In this video Erin Bried shows how to unclog a slow drain without calling a plumber. First put 1/2 cup of baking soda down the drain. Then pour 1/2 cup of white vinegar in the drain. The two ingredients react when put in the drain together. After about 15 minutes have gone by take some boiling hot water and pour it down the drain. Once the water has run out of the bowl you can test the drain to see if it is clear by running some tap water into the sink. The water should run out of the sink ju...

How To: Analyze cheap sulfuric acid for concentration & purity

In this home scientist video the instructor Robert Bruce talks about cheap sulfuric acid. He says that sulfuric acid is very important in any lab both as a reagent and a precursor for preparing other chemicals. He points to the battery acid saying that it is a good source of sulfuric acid which is 35% concentrated. Now he shows various methods to obtained sulfuric acid and shows how to test one of the thus obtained sulfuric acid for its concentration. In this video the author talks about sulf...

How To: Use hot chocolate as a bronzer

In this interesting video, Michelle shows chocolate lovers how to use hot chocolate as a bronzer. Using a normal package of hot chocolate and a good makeup brush that is not too dense, gently apply the chocolate to your face, making sure to layer the chocolate. You should smile while applying the chocolate with the brush. This will give you good, kissable cheeks and your boyfriend will no longer complain about your makeup smelling like chemicals. This is a simple, effective, and cheap alterna...

How To: Make an Assassin's Creed hidden blade prop

Adam from Chemical Reaction wants to show you a little movie magic. This video tutorial will show you how to make an Assassin's Creed hidden blade prop for your homemade film. If you're a fan of the Assassin's Creed video game, then you can't not make this hidden blade. This is a great prop for anybody wanting to recreate it for a fan film. It's cheap and quite easy and works pretty well.

How To: Close an inground pool

This four-part video tutorial gives a step-by-step procedure on how to close an in-ground pool over the winter. This video explains all the necessary chemicals needed to keep the pool clean over the winter as well as all the tools and covers needed to close the pool.

How To: Make homemade ice cream with an ice cream maker

Now that summer is swiftly approaching, it's time to start wrapping your mind around that most enjoyable of summertime treats: Ice cream. While you can certainly go to the store and purchase bulk packages of rocky road, store-bought ice cream is full of gnarly-sounding ingredients that sound more like a chemical found in a mad scientist's lab than actual food (xanthan gum, anyone?).

How To: Get 360 waves using olive oil

In this video, we learn how to get 360 waves using olive oil. First, buy some extra virgin olive oil and your brush. After this, get a rag and put hot water on it, then ring it out. From here, rub this all over your hair to get rid of any chemicals in your hair. Now, brush your hair as normal all over until it's fully combed. Then, put the olive oil into the palm of your hand and spread it around your head, pushing towards your forehead. Then, brush your hair again until the olive oil has bee...

How To: Make sodium bromate & potassium meta-periodate

This video tutorial is in the Education category which will show you how to make sodium bromate and potassium meta-periodate. This experiment uses toxic chemicals and releases harmful gases. First you have to make a saturated sodium bromide. To this solution then add a small amount of potassium dichromate. The solution now becomes concentrated. Then make the circuit as shown in the video. You need a 3 - 5 ohm resistor in order to reduce the current. Then let the cell run for around 6 hours. S...

How To: Synthesize copper(II) carbonate & sodium bicarbonate

This actions is a video tutorial in the Education category where you are going to learn how to synthesize copper(II) carbonate & sodium bicarbonate. For this you will need copper sulphate which is available in root kill and sodium bicarb which is baking soda. Take 100g of copper sulphate and dissolve in about 400ml of water. Now take 69.27g of baking soda. Add baking soda very slowly and keep stirring the solution. You got to be very careful as the chemical reaction will produce lot of carbon...

How To: Make elemental sulfur (sulphur)

This video tutorial is in the Education category which will show you how to make elemental sulfur (sulphur). The chemicals you need are nitric acid and sodium thiosulphate. The reaction produces toxic SO2 gas so keep it coved with a watch glass. Put 12.9 grams of sodium thiosulphate in a beaker and dissolve it in minimum amount of water. Pour about 15ml of nitric acid in to the beaker. Let it sit in a warm place for a couple of hours and the sulphur will settle at the bottom of the beaker. Th...

How To: Get rid of fruit flies cruelty-free

In this tutorial, we learn how to get rid of fruit flies cruelty-free. First, you will need to put a sweet mixture of things that the flies like to eat inside of a cup. After this, place a cylinder piece of paper into the cup. The flies will be able to fly into the bottom of the paper to get what's inside, but most likely won't figure out how to get back out of it. After this, you can let the flies go free and you will have let them survive without killing a ton of them! This is also free of ...

How To: Build a magnetic stirrer from computer parts

In this tutorial, we learn how to build a magnetic stirrer from computer parts. This is a simple thing to make, and is great if you are going to be mixing chemicals and don't want to get your hands dirty. First, you will need to create a wooden box with the top empty. Then, place a computer fan into the middle of the box and pin it down. Place a magnet from the hard drive in the middle of the fan, then place a stirring rod on the glass that will go on the top of the wooden box. Now you will b...

How To: Make your own homemade, eco-friendly all purpose cleaner

If you've just ran out of all purpose cleaner, hold on to your waller for just a couple of minutes. Most of the all purpose cleaners, or any cleaner for that matter, contains chemicals that can be harmful for you and others. Not only that, but it produces more trash that can easily be avoided. How so? By making your own stuff from scratch.

How To: Make your own eco-friendly laundry detergent

You may not realize it, but most of the laundry detergents that are being sold in supermarkets contain chemicals that can be bad for peopel, but more importantly bad for the water supply. People have begun to realize this and are starting to make their own household items from scratch using harmless items.

How To: Clean a Spyder Marker paintball gun

In this tutorial, we learn how to clean a Spyder marker paintball gun. Before you start, disconnect your air source and turn the gun off to a safe position. Now, remove the barrel and slide out the pin. Now, the marker should fall out on its own. Make sure not to lose any of the parts that come out with this. Pull out the string, bumper, and striker as well. Now, use paintball oil to clean all of the parts that you removed from your gun. Only use the paintball oil, because other oils contain ...

How To: Get rid of garden slugs without using pesticides

Slugs are one of the most destructive forces of nature that can infiltrate your garden. Chemical pesticides and slug pellets make eliminating them simple, but they are expensive, dangerous, and unnatural. Fortunately, this video is here to explain an easy way to get rid of slugs in a container garden using only a little bit of vigilence and salt. Warning: do not try salting your soil garden! You will kill it!

How To: Remove carpet to install concrete floors

Bob Harris of decorative concrete institute explains how you can remove your tiled or carpeted flooring for a concrete substitute. He suggests when your removing carpeting that it can be very heavy and advises you to hire someone who can lift and carry it out, or rent a dumpster for easy take away. He states that after the carpet is removed you'll need to remove the adhesive from the floor. You can do this by stripping or grinding, and at other times the use of harsh chemicals may be needed. ...

How To: Cook lamb shoulder chops with apples & prunes

This video shows tips on how to use insects to benefit your garden. This will teach you ways to reduce the insect load in gardens without the use of chemicals. Rose aphids can be controlled with lady beetles, for example. Although these techniques have been used for agricultural use, they will work in your home garden. Asian Lady Beetle, tend to stay put. They won’t migrate. They will attack Pecan Aphids. Trichograma, a wasp that is effective against larvae and eggs.

How To: Unclog a drain without Drano

This video details the procedure for unclogging a drain without the use of drain clearing chemicals. This procedure is intended to be used in the event of a drain being clogged with hair. A tool for this task would be a wire hanger, modified to have the bottom removed, and two ends fashioned into hooks. For this example, a drain with an unscrew-able top-cover is used. To begin, unscrew the top cover to reveal the washer and the drain. Remove the rubber washer to fully reveal the drain. Once t...

How To: Understand organic molecules & oxidation in Chemistry

Do you understand organic molecules or oxidization in chemistry? If you answered no then this is the video you need to watch. This video will show you grade 12 chemistry, with organic models, and will teach you about oxidization. In less than 4 minutes you will have a much better understanding of the topic. This is demonstrated with a few common chemicals which include potassium dichromate and ascorbic acid. Ascorbic acid or vitamin C is found in many foods that we eat including fruits and ve...

How To: Build a custom pochade box for oil painting

In this how-to video, you will learn how to build your own custom Pochade box for oil painting. You will need 10 feet of 3/4 x 1/2 trim, 1/4 underlayment plywood,, a table saw for squared cuts, a cordless drill, a dowel no smaller than 3/8, a set of hinges and screws, an Allen bolt and nut for triPod mounting, a piece of glass for the palette, gorilla glue water, and chemical proof. Pre-drill everything to make sure the wood does not split. Make sure that when you drill the hole for the dowel...

How To: Remove blood stains on carpet

This video is a tutorial on how to remove blood stains on the carpet. The first step is to mix 1 teaspoon of dish detergent with a cup of water in a spray bottle. Spray your mixture on the stain and blot gently with a rag. Be careful not to soak the stain so it doesn't go through to the other side of the carpet. The second step is to mix 1 teaspoon of ammonia with a cup of water in a spray bottle. Once again, spray onto the stain and blot gently until the stain is gone. The third step is to u...

How To: Use baby powder to reveal latent fingerprints

This short video shows us how to reveal latent fingerprints on a glass surface by dusting. Anyone interested in forensic science would enjoy trying it as it shows simple steps in dusting and lifting fingerprints. It does not require any chemicals and we can do it with baby powder. The steps involved are so simple and easy to follow that even kids can try it out for fun. This gives a clear idea about fingerprints on different objects like porous, non porous and metals. Enjoy viewing and detect...

How To: Get rid of fleas the natural way

To get rid of fleas start by giving your pet a bath every other week. Another good thing to do every other week is to wash all your pet's bedding in hot water. Vacuum all of your carpets once a week to get rid of any flea eggs, baby fleas, and adult fleas that are in the carpet. Flea collars are a problem because they leave a residue on your pets. When you pet your pet you get that residue on your hands and if you put your hands in your mouth you will ingest those chemicals. Natural methods a...

How To: Remove rust

Rust can form anywhere and happens on all types of metal objects, no matter how old they are. You can get rust quickly if something metallic gets into contact with water. If some of your beloved tools have gotten rusty, check out this tutorial and learn how to remove some of that dredded reddish layer. This video will show you how to remove the rust naturally, without caustic chemicals and keep your home healthy and earth-friendly while remaining rust-free!

How To: Make a storm inside a test tube

This science experiment will show you how to make a storm inside a test tube. This video tutorial will demonstrate the process of making the miniature thunderstorm inside a test tube with just a few common chemicals. All you need for your very own thunder storm is a glass test tube with holder, sulfuric acid, ethyl alcohol (ethanol), potassium permanganate, glass dropper, measuring spoon, and please wear safety goggles. Sparks and pops occur completely random, just like in a real thunderstorm!

How To: Make money burn green

This science experiment will show you how to make money burn green. This video tutorial will demonstrate the process of making the buck flame green, without damaging the bill. All you need to get that green flame from your green dollar bill is some Heet (methanol), a glass beaker, boric acid, and a measuring spoon. The combination of these chemicals emits a green flame. This is a new twist on the famous "non-burning dollar bill" trick.

How To: Create, shoot and edit a time freeze effect

Adam from Chemical Reaction wants to show you a little movie magic. This video tutorial will show you how to create, shoot and edit a time freeze effect for your homemade film. Stopping time is no joke, but doing it with a little camera skills and a little editing skills makes it easy. You just need to know when to freeze the frame and then layer it with another.