Rust protection doesn't have to cost a fortune. With a little zinc and some electricity, you can protect your precious metals from rust by galvanization. When you galvanize something, you're giving it a protective coating, and in this case, it's a zinc coating.
One of the most famous and repeated chemistry experiments involves money. Some would say this is more of a trick than an experiment, but you can be the judge of that. No one can just turn pennies into silver or gold coins, but someone with a few chemicals can. So, if you want to cooler cents in your pocket, try out this chemistry trick yourself. Nurd Rage (Dr. Lithium) shows you how to turn pennies into silver and gold coins using zinc.
Watch this science video tutorial from Nurd Rage on how to get zinc, carbon rods and MnO2 from lantern batteries. They show you how to get zinc, carbon electrodes and manganese dioxide from a lantern battery.
John White is an expert horticulturist. He thinks you need to make sure to add zinc to the proper care of your pecan trees. White advises to buy zinc at your local gardening store and use a garden sprayer to put it on your trees. Older trees and younger trees need to have zinc at different times. When you are spraying make sure to hit all the limbs and leaves. Without proper care your trees will not be as healthy as they would if you follow White's simple instructions. Make sure to follow his...
Once used as solid rocket fuel because the reaction requires no oxygen, sulfur and zinc react vigorously. The reaction with zinc produces flame and a near explosion. Sparks fly and smoke billows in this dramatic chemical demonstration.
This is a great science project! For this, you will be able to make an air battery using zinc. You will also need a paper towel, some steel wool, and an electrolyte solution. An air battery can keep for decades as long as it's dry.
Watch this science video tutorial from Nurd Rage on how to make copper sulfate and zinc batteries. They show you how to make the classic copper sulfate and zinc battery using the incredibly easy "gravity" battery design approach. Great for science fairs and similar projects this battery can be used to explore many basic concepts in batteries.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
Glowing substances have always held a powerful appeal to people, and making new ones can be a lucrative business. If you need some glow powder for a project of yours, watch this video to learn how to make DIY glow-in-the-dark powder out of normal household chemicals.
This video will show you how to make a lemon battery. You use a copper penny and a zinc coated nail to create a circuit.
In this tutorial, learn all about our most controversial food dye Yellow number 5 is linked to conditions like cancer, ADHD and is believed to actually remove the essential nutrient, Zinc, from our bodies. Get all the facts about Yellow 5 and know which foods it is in. A vast majority of children's snacks contain this ingredient, so watch out! And learn what natural ingredients you can use to substitute for this artificial intruder.
No, we're not lying. But before you try and tear a plain old penny in half, you should probably watch this video first or you may hurt your fingers. While ordinary pennies are very, very difficult to rip, if you get rid of the zinc core you are left with only the thin copper shell, which is itself very easy to tear apart.
You can easily copy the aged look on old brass jewelry and hardware. Brass, an alloy of copper and zinc, oxides naturally. But you can encourage the process to go faster by using vinegar and salt water, or a rag soaked in ammonia. Use these techniques to mimic an antique patina.
Need to fight a cold? Heal a persistent wound? You might want to check out the powerful mineral zinc!
Brass, an alloy of copper and zinc, is prone to tarnishing—but whether it's a brass lamp or a brass monkey, with the right technique it's a cinch to polish.
This science experiment will show you how to turn a penny into gold with common chemicals. This video tutorial will demonstrate turning the copper penny into a silver penny and into a gold cent. All you need to make gold pennies is sodium hydroxide (also known as lye), zinc powder, a small glass beaker with some distilled water in it, a clean copper penny, a couple of measuring spoons, and a glass stirring rod.
There is no cure for the common cold but you can help the symptoms. Learn prevention tips and common cold remedies from Pharmacologists Joe and Dr. Terry Graedon. Use vitamin D, zinc, or ginger tea to beat that nasty cold.
Walking into a pharmacy with a cold can we overwhelming with all the choices of over the counter drugs. In this how to video Pharmacologist Joe Graedon shows you how to prevent the common cold with home remedies.
Did you know that the average cost to make a penny is about 2.4 cents?!? That's why the Obama administration asked Congress earlier this year for permission to change the metals in the penny, hoping to get the cost back down where it makes sense.
Learn how heat moves through things, like different kinds of metals, such as zinc, aluminum, copper, tin, lead, and iron. This is known as thermal conduction. You can also see how to boil water in a paper cup with the principle of thermal conductivity. This is a great tutorial on how to understand thermal conduction, perfect for all you Mr. Wizard fans...
Cavities are an unfortunate sideeffect of our sugar-infused society, and getting them filled is time-consuming, expensive, and requires a trip to the dentist. Do you have some serious courage and want your dental work done on the cheap? Watch this video for an amazing guide to filling your own tooth cavity at home using simple and cheap ingredients. It's amazing what you can do with a little DIY know-how.
Daylight savings time is here. On November 7th, everyone and everything turned back the clocks to standard time, but how well you adjust to the new time is up to you—
Some of the new poinsettia plants will continue to "bloom" year round, but others need a little encouragement. The blooming is actually leaves of the plant itself. One way of forcing it to change color is to withhold fertilizer and/or light for a time, then put it back into a sunny location and it will begin to bloom. The video also addresses spots on Ligustrum plants. It has to do with cold weather in the winter and lack of nitrogen. There's not much you can do about winter damage, but ferti...
In this video tutorial, viewers learn how to make a tumbler bin composter and compost in 14 - 21 days. The materials needed for the composter are: 1 plastic drum, 6 nails or strong pins, (3) 1 square inch tubes, 3 hinges and lock, 3 yards of wire, and 1 square foot of zinc. Begin by drilling 3/8" holes all over the composter. Use a lawn mower to grind down the compost and then dump it into the composter. Activate the compost by adding some water. This video will benefit those viewers who want...
In this video tutorial the instructor talks about Hydrochloric acid (HCL) and how it reacts to a few metals. To try this out take 30 ml of concentrated hydrochloric acid in a beaker. You need to employ caution while handling acids, especially if you use strong ones. Now you can throw small pieces of different metals into it carefully to see how it reacts with different metals. For instance when this HCL comes in contact with metals various reaction take place depending up on the metal. Like i...
In this episode of Science Theater Dr. Carlson helps you understand the concept behind Density and how it relates to Mass and volume and how to calculate the Density of a substance if its Mass and Volume are known. The Density of various metals is demonstrated using aluminum, tin, zinc, lead and copper of the same mass but different sizes. The easiest way to measure the density of a substance is also mentioned. Next, Dr. Carlson measures his own density using a scale and a bathtub.
In this video tutorial, you'll find instructions for building a standard joist design playground slide, supported by 3-by-4 posts and secured with galvanized fasteners. All fasteners exposed to the outdoors must be weather-resistant, galvanized, zinc-coated brass or stainless steel. Standard homeowner tools are all you'll need to complete your slide—a tape measure, post-hole digger, circular saw, sawhorses and a level. A good drill/driver is a great tool if using decking screws as fasteners. ...
Do not point this gun to other! Kids SHOULD NOT use the darts in this tutorial as the ammunition, you should only use soft things like the cotton head of the ear-cleaner stick!
Halloween is less than a couple weeks away, so it's about that time you start thinking of cool ways to decorate your house (if you haven't already), and pumpkins are an obvious choice. Pumpkins are one of the cornerstones of Halloween celebrations, dating all the way back to the early 19th century. Carved jack-o'-lanterns are a great way to add some spookiness around the house, but that takes time, skill, and effort. Creating cool glow-in-the-dark pumpkins requires no carving at all—and looks...
You've probably seen the classic fruit battery science experiment a thousand times, but I doubt you've ever seen it turned into an art project! Photographer Caleb Charland uses everyday objects like apples, coins and vinegar to create makeshift batteries, then takes these gorgeous long exposure photos. For the apple tree photo, Charland got about 5 volts for every 10 apples, so he had to wire 300 apples to power the lamp for several hours. He used a zinc-coated galvanized nail and copper wire...
Was Napoleon's death really due to stomach cancer, or was it arsenic poisoning? Some scientist believe the latter. Arsenic poisoning was a deadly weapon in that era, because it was undetectable when administered over a long period of time, making murder seem like natural causes. But if arsenic (As) is poisonous to most multicellular life, then what's with the newest NASA discovery?
There's no doubt you've heard the old saying, "When life gives you lemons, make lemonade." The phrase was penned in an obituary to a dwarf actor in 1915 by an anarchist named Elbert Hubbard, who lost his life five months later aboard the RMS Lusitania when it was torpedoed by a German submarine.
What's a penny worth these days? Not much. But could there be some free energy hidden inside your spare pennies? You'd be surprised! See how I hack together stacks of pennies into makeshift batteries that can drive small-current devices like LEDs and calculators.
Suzy Cohen tells us in this video how to lower our blood pressure naturally. Believe it or not, the urinary tract is connected with our blood pressure. A dietary supplement called "Asparagus extract" is recommended. Asparagus in vegetable form is delicious when served with a little butter or feta cheese. When you take it as a supplement, you get a bigger dose. It is a wonderful diuretic, which means it makes you pee a lot. You should take it in the morning, so that you do not find yourself ru...
What is MnSO4 and MNO2, anyway? They are they molecular formula for Manganese Sulfate and Manganese Dioxide. And you can make one from the other. But how?
Make a reusable glow stick, glow-in-the-dark-style! Imagine, you'll never have to buy one of those ChemLite's again, because you can reuse this homemade glow stick over and over again. This video tutorial will show you how to make a permanent, reusable glow stick. The materials in this experiment are simple: epoxy resin, straw, and some phosphor powder.
Watch this science video tutorial from Nurd Rage on how to make fire 4 ways without matches by using chemistry, without matches or lighters.
In the perpetual search for a renewable and convenient energy source, our bacterial friends have once again stolen the limelight.
Ouch! Is your baby's bottom red and sore? Say goodbye to diaper rash with these tried-and-true remedies.
