How To: Make cyanotype prints
Cyanotype, often referred to as sun prints, uses chemicals and UV light to make blue prints. Learn more about cyanotype in this free photography video about how to make cyanotype prints.
Chemical Contaminants Search Results
How To: Create long lasting curls for straight hair
If you have very fine, straight hair and have always had a hard trying to keep your strands curled, this video will give you a look into steps you can follow to solve that problem. Before starting on your hair, collect all the necessary tools which include: flat iron, hair clips, Velcro rollers, hair tie, and comb with pointed tip. To start, prepare your hair by adding mousse. Don’t forget to also add a heat resistant chemical to avoid damage and breakage in hair. Then work with the upper t...
How To: Identify if you have aphids and webworms on mesquites
The video shows how to effectively be aware and get rid of possible webworms or aphids on your mesquites so they won't get damaged later. Here, John White invited Annete Peterson to show how to do so. She starts by informing from what she saw that many mesquites from her neighborhood have deformed leaves and mainly several of them have stripped branches at the tips of the trees. He explains that one of the problems is a webworm on the leaf of the mesquite, and it eats the leaves of the plant ...
How To: Study high school organic chemistry
Chemguy AKA Rob reviews the various diagrams in organic chemistry. This is a 16 part series from this Canadian high school Chemistry teacher.
How To: Get rid of wasps and hornets without chemicals
In this tutorial, we learn how to get rid of wasps and hornets without using chemicals. Take a piece of bacon and wrap it around a stick. Then secure that stick by hanging it over a bowl of water with dish soap on it. The bacon will entice the bees to come towards it. Then, the bees will eat so much bacon they will have a hard time flying and they will end up flying down into the bowl of water. Then, the soap will make them be able not to fly and they will drown in the water. This is very eff...
News: The iPhone 11, 11 Pro & 11 Pro Max Are IP68 Water-Resistant — Here's What That Really Means
After months of waiting, the iPhone 11 is here. At an event in Cupertino, Apple unveiled the iPhone 11, 11 Pro and 11 Pro max. You probably have a lot of questions after reviewing the specs sheet, including wanting to know more about the IP68 rating that all three phones have. We're here to clarify.
News: Augmented Reality Reporting from NY Times Shows That Military Perpetrated Syria Chemical Attack
In its latest feature with an assist from augmented reality in storytelling, the New York Times shows readers the virtual crime scene it constructed to prove that the Syrian military conducted chemical warfare against its citizens.
News: New Zika Test Could Speed Results & Boost Prevention at Dramatically Lower Cost
Colorado State University scientists have developed new tech that quickly identifies the presence of Zika virus in mosquito populations — and in human body fluid.
News: The Next Magic Bullet Antibiotic May Come from Roadkill
Our quest to find new antibiotics has taken a turn — a turn down the road, that is. A team of scientists from the University of Oklahoma is scooping up roadkill and searching for bacteria on them that might yield the world's next antibiotic.
Natural Solution: Extract Synthesized from Maple Syrup Boosts Efficiency of Antibiotics
In the ongoing search to find better ways to use antibiotics, an extract made from maple syrup has some surprisingly important medical benefits.
News: Bioprospectors Make Unique Discovery INSIDE a Coal Fire That Makes an Antibiotic Better
Scientists are constantly on the search for new organisms, species, and other types of life. A special group of these researchers, calling themselves "bioprospectors," dive deep into mines to find unique lifeforms with special properties not found anywhere else.
News: Dangerous Bacterial Films Communicate with Electric Pulses, Which Means We Could Zap Them to Interfere
Lighthouses and signal fires may have been the first social media. Without the ability to share language, a distant light meant "humans here." A new study from the University of California, San Diego, finds that bacteria can also send out a universal sign to attract the attention of their own, and other bacterial species.
Synthetic Biology: Student Team Gives Dangerous E. Coli a New Role as Bacteria Detective
A gold-medal winning entry into the iGEM synthetic biology competition could change the way we look at Esherichia coli, the bacteria better known as E. coli.
How To: Using the Right Bakeware Is the Difference Between Baking Fail & Baking Win
For so many of us, bakeware is bakeware. As long as it's oven safe and able to tolerate the high heat, it's fine to bake in, right? Wrong!
How To: 9 Ways to Hack Your Life with Coconut Oil
Coconut oil must be sent from the gods themselves, because this stuff is made of miracles. If you ever wondered why your mother always has it around, it's because she's smart enough to know the countless uses for it.
How To: 3 Tips to Better Tasting Beer
We are living in a golden age of craft beers. Originally invented by the ancient Egyptians, every culture now has its own tastes regarding beer. The process of making beer is so multi-faceted, it's a miracle that any gets made at all.
How to Hack Wi-Fi: Creating an Invisible Rogue Access Point to Siphon Off Data Undetected
Welcome back, my greenhorn hackers! Continuing with my Wi-Fi hacking series, this article will focus on creating an invisible rogue access point, which is an access point that's not authorized by the information technology staff and may be a significant security vulnerability for any particular firm.
How To: Paint a musical note design on your nails
In order to paint musical notes on your nails, you will need the following: a base coat, a matte polish, topcoat, and a colored polish.
How To: Dissolve ruthenium metal with household bleach
You've manage to get your hands on some ruthenium, and now you want to destroy the hard silvery-white metal of the transition series. Well, you're going to try all kinds of ways to dissolve this odd metal, but the only successful way to dissolve ruthenium is with a common household cleaner… bleach.
How To: Eat healthier by tossing out egg yolks
Yolks may be your favorite part of an egg, but that doesn't mean they're healthy! If you're truly committed to eating better and living healthier, then watch this video to see why you should toss egg yolks out and how to live healthier.
How To: Make distilled water at home
This video shows us how to make distilled water for your carnivorous plants, such as a Venus Fly Trap.
How To: Treat hemorrhoids
ClickHelps demonstrates how to treat hemorrhoids with home remedies. Hemorrhoids are swelling and inflammation of the veins in the rectum or anus. First, sit in a bathtub full of three or four inches of warm water. Keep your knees raised. The warm water will soothe the pain while increasing the blood flow to the area. And increased blood flow will help shrink swollen veins. Repeat this technique several times a day. Keep the anal dry and clean while avoiding using harsh toilet paper. Gently w...
How To: Identify common shrub & tree diseases
John White (Doña Ana County Extension Agent) talks to Natalie Goldberg (Extension Plant Pathologist) about Powdery Mildew that affects many plants. They look at a Japonica that is heavily infested. Powdery Mildew is enhanced by shaded condition despite the dry climate. It starts with a spot spore infection that will easily spread by the wind or by rubbing. Control methods are difficult and involves a lot of routine applications of chemicals (ornamental fungicide) to keep it in check once the ...
How To: Close a swimming pool with Lowe's
The proper steps to close your swimming pool. The temperature in your region will be the key deciding factor on whether to close your pool or not.
How To: Make sodium acetate ("hot ice") in your kitchen
The Mr.G Show presents how to make "hot ice" more commonly known as sodium acetate in the kitchen. You start with one liter of white vinegar which you place into a sauce pan. You add four table spoons of baking soda to the pan being very careful because both chemical together will react an may cause a big mess so be prepared to clean up any boil over that may arise. Wait while this mixture boils down for the real fun to starts. The hot ice created will transform from a liquid to a solid befor...
How To: Deal with seasonal affective disorder or S.A.D.
Don't put up with another winter of discontent. There are simple things you can do to lift yourself out of the doldrums.
How To: Stop being lazy
You can stop being lazy by using these tips to motivate yourself to find an interest in life. You Will Need
How To: Get longer eyelashes
Make your eyes look bigger and brighter by lengthening your lashes. You Will Need
How To: Clean a camera lens & get rid of smudges
Professional camera cleaning is expensive and usually more than you need. Follow these simple steps to keep your lenses clear and smudge-free.
How To: Protect your hair from chlorine and saltwater
Everybody into the pool! Or the ocean! But not before you take measures to prevent your hair from getting fried.
How To: Prevent static cling in your hair
Have you spent time styling your hair only to step outside and look like you stuck your finger in a light socket? Learn how to keep that beautiful hairstyle looking good!
How To: Prevent heartburn
Take these simple measures to stop heartburn before it starts. You Will Need
How To: Get grease off a granite counter
A little elbow grease of your own can quickly take care of any stains and get your granite counters looking like new. Follow this Howcast guide to learn how to get grease off a granite counter.
How To: Make bug spray
Learn how to make bug spray. Follow this simple, eco-friendly recipe for an effective alternative to chemical-laden bug spray.
How To: Recognize the signs of compulsive gambling
Compulsive gambling is a recognized addiction, just like alcoholism or chemical dependency. Follow these steps to see if you might fit the profile. Recognize the signs of compulsive gambling with this guide from Howcast.
How To: Green your wardrobe
Wearing vintage clothing is one of the best ways to reduce the environmental impact of your fashion choices—short of walking around naked.
How To: Build a garden tool shed
he age-old “shtick” about a rake handle smacking you in the face when you step on the teeth isn't funny. It's happened to me more than once. One of the problems is improperly storing rakes, hoes, shovels and other long-handled tools. They can be hung up in a garage or garden shed, but usually end up right at the door, where they fall down, and again become a dangerous problem. The garden tool shed shown solves the problem of long-handled tool storage and at the same time provides a separate s...
How To: Drain and clean a hot tub spa
This eleven-part video tutorial discusses how to drain and clean a hot tub spa. It goes over the process step-by-step from turning off the circuit breaker to restarting the spa. It also gives helpful tips on cleaning the tub, working with spa chemicals and avoiding air locks that will make the process a lot more smooth sailing even for a novice spa cleaner.
DIY Lab Equipment: Make Your Own Litmus Paper Using Cabbage Juice
Home chemistry is great, but what happens when you forget to label your chemicals? How do you know if you turned a clear glass of ammonia into a clear glass of unobtainium? Chemists have a tool for just that.
How To: Get a chemical peel
If you're trying to decide if you should get a chemical peel, or if you've decided to get one but don't know where to start, this series will show you how to prepare for, how to get a chemical peel and how to care for your skin afterwards.