How To: Restore silver with electrochemistry
Watch this science video tutorial from Nurd Rage on how to restore silver with electrochemistry. You can restore old silver with aluminum foil or a battery by simple electrochemistry.
Watch this science video tutorial from Nurd Rage on how to restore silver with electrochemistry. You can restore old silver with aluminum foil or a battery by simple electrochemistry.
The Dukan Diet is the latest diet fad to sweep America, after dominating France for years already. It's been called the French Atkins diet, and is in fact a high-protein weight-loss solution, but sounds considerably healthier than Atkins ever did. This video will explain the Dukan Diet to you and how you can get on it.
Dead or hot pixels are one of those annoying camera problems that won't make you buy a new camera but will piss you off for years. There's a free solution that may work for you though if you have a Canon 5D or 7D, and this video will show you how to do it with the sensor cleaning function.
If your windshield wipers don't come on when you turn the switch, then try out the solutions in this video! First, check to see if there's a blown fuse. If that's okay, next check the power going to the wiper motor. You have to take the wiper arms off to get to the motor. Watch Scotty Kilmer in this video for all the remaining troubleshooting tips for broken windshield wipers.
A video that demonstrates one of the basic techniques involved in factorizing an equation that contains the difference of two terms which are also perfect squares themselves and are equated to 0.
In this tutorial, we learn how to make your own nylon. You will need: pipettes, pipette filler, forceps, beaker, stir rod, sebacoyl chloride and hexanediame solution. Now, pour some of the hexanediame solution into the small beaker. Add in a food coloring if you want to make this a specific color. After this, add in 4 cc's of sebacoyl chloride and carefully drip into the side of the beaker. You should see a layer of where the two liquids are after this. Now, take your tweezers and reach into ...
Having trouble with word problems in algebra? Watch this video to clear a few concepts as well as to learn how to systematically tackle word problems in exams.
This video presents a mathematical puzzle which is to be solved by the viewer. The solution is posted in an alternate video, but this video presents the problem of a four digit number which is the square of a smaller number. The first two digits of the square are the same as each other and the last two digits are the same as each other as well. The video calls for the viewer to find the integer whose square is this four digit number without the use of a calculator, although abacuses are allow...
If you want to get more apps for you iPhone than those offered by the standard store, but are still intimidated by jailbreaking despite the fact that it has recently become legal, this video offers a solution for you. It will show you how to get and use an app called OpenAppMkt to get more apps for you iPhone or iPod Touch without needing to jailbreak it and access the Cydia app store!
If you haven't bought a new iPhone or iPod Touch since the 3G and 2G models of those respective devices, iOS 4 has probably been a major problem for you. It slows down those devices mightily, but there is a solution. This video will show you how to adjust some basic settings in your phone or MP3 player to make it run the new operating system faster and allow you to keep enjoying you device as you have for years.
If you have a washing machine or dryer that tends to wobble a lot, you can easily fix this problem using a couple different solutions. A wobbling machine can be a problem for people who live in an apartment and can result in damage to your machine or the surrounding area.
In this video tutorial, find out how to copy and paste HTML links embedded in the text with a breeze. No longer will you have to worry about re-entering every single link one by one. This video will give you a quick and easy solution to solving your most worrisome problem. Enjoy!
Tired of having plain old roast chicken the way mom used to make it? Bobby Flay has the solution that is sure to get you excited about chicken all over again. This recipe for a grilled whole chicken will bring great new flavor to your bird. Don't forget to flatten it out first for a faster, smoother cooking process.
In this how-to video, you will learn how to fix scratched games with a simple solution. You will need a few rags, alcohol, and a surface to place the disc on. Take the rag and pour a tiny bit of alcohol on to it. Next, put the alcohol away. Take the cd and rub it with the rag. It should be rubbed all around the entire cd. Take a dry tissue and rub the cd. Make sure all the alcohol is removed. Your disc should now work with no problems. This video offers a good solution to all your scratched g...
Learn how to use a Neti pot, otherwise known as a saline sinus wash to help clear out your nasal passages. This is a homeopathic remedy for sinus problems or any issues you may have with your nose. Take the packet that comes with your Neti pot, and dump it in. Fill the pot to the guideline with lukewarm water. This will create a saline solution once mixed. Stick the end of the Neti pot in your nose, and tilt your head to the side, allowing gravity to send the saline solution trough one nostri...
The tutorial teaches the audience an alternative way to make jerky without the fire. The ingredients needed include soy sauce, garlic powder, brown sugar, white sugar, black pepper, ground ginger, onion powder, oriental five spice, cayenne pepper and kosher salt. Meat is put into a metal bowl with the mentioned ingredient and after a period of time, the meat is tossed around in the metal bowl so all the meat will have a chance to soak in the solution. After soaking off the solution from the m...
This video teaches the secrets of cleaning and changing your belly button ring in simple steps. First add some saline solution or salt water solution in a paper towel and rub on your new ring to clean it. To change the ring on your belly button, unscrew the old ring and remove it carefully. Now insert the new ring through the hole present in your belly carefully. Finally screw the inserted ring carefully to finish.
You can learn how to make rock candy. The process is very simple. You only need water and sugar. You put the water to boil and then add a cup of sugar. You mix it up and then put it in the sink and poor it into a glass. Then a screw is inserted into the glass to get moisture into the solution. Take it out, leave it for 3 days, then after 3 days sink it again in the solution and then leave it to dry for 1 week.
The method explained in this video is a very simple method to get rid of fruit flies. Materials required for this method are:
Unlike other slow methods of clearing up acne, this method of getting rid of pimples is supposed to work almost instantly! By simply using a mixture of baking soda and water and stirring until it forms a paste, you should apply the mixture to your face or other areas, which are prone to developing pimples. After leaving the solution of your skin for about an hour, rinse off the solution. The result should be skin that is clean and acne free.
Patty Moreno shows us how to test your pond's PH, and see if the conditions are right for fish. • First get a freshwater PH test kit.
Use a neti pot daily to prevent sinus infections and promote easy breathing. Check out this Howcast video tutorial on how to use a neti pot.
John Park poses a kitty conundrum: Who's going to feed the cat while you're on vacation? Using a motor from an old VCR, he creates an automated feline feeder. While building this Make: magazine project, John learned that newer VCRs have safeguard technology, limiting access to the motor. Watch John as he demonstrates his solutions to this challenge.
Is it magic or is it an illusion? See for yourself when you watch this video tutorial on how to make a matchstick stand up on its head. There's an easy solution to this magic trick, easier than you think. You don't need to be a magician to perform this match standing on its head trick. Anyone can do it!
Going to school to be a nurse? Then one of the many techniques you will learn is how to irrigate a bladder. In this nursing how-to video our host demonstrates how to do a Nesbitt Young irrigation. This type of bladder irrigation demonstration is not a CBI, continuous bladder irrigation, it is an intermittent irrigation. However it does use a continuous infusion of sterile solution into the bladder, most often, using a three-way irrigation closed system with a triple-lumen catheter. Infrequent...
Dr. Diana Wehrell-Grabowski provides a brief overview of Buckminister "Bucky" Fuller's accomplishments in this video tutorial.
Watch this instructional video to get a bubble solution recipe that will yield impossibly giant soap bubbles. Make sure you use a clean bucket and a paint impeller to stir it.
If you put mothballs in a solution of vinegar and baking powder, the balls will collect air bubbles; then after they cause the balls to rise, the bubbles pop, and the mothballs drop.
Your mother used to remind you to wash behind your ears now make sure you keep your dog in tip top health and clean their ears too. Dogs depend a lot on their hearing but can build dirt and wax in and around their ears which can be irritating or lead to infection.
A chemical demonstration of the synthesis of nylon using different chemical solutions.
Smartglass maker ThirdEye Gen, Inc. has introduced an augmented reality solution for enterprises that includes their X1 Smartglass and a suite of software applications that enable completely hands-free computing.
When developing for the HoloLens, keeping a constant 60 fps (frames per second) while making things look beautiful is a challenge. Balancing the processing power to display complex models and keeping the frame rate where it needs is just a straight up painful process, but a solution seems to be on the horizon.
Though you may scrub every inch of your kitchen, there are plenty of trouble areas that are nearly impossible to get clean: gunked-up tile grout, rust in the sink, and caked-on burners and grates on the stove. As far as burners and grates go, you're in luck, because there's a simple solution to returning even the grossest ones back to their original shine. The Key Is Ammonia
I own two aprons—a cute one for company, and another for the hard-core cooking duties, like cutting up chicken and making stock. The sad truth is that I almost never remember to wear either of them. So, much of my clothing ends up spattered with grease, liquid, and bits of fruit and vegetable. While stain-removing sprays, sticks, and pens are all effective to a certain extent, they have two drawbacks—they're expensive and sometimes I need to use them in large quantity, like when a piece of eg...
Ever hear of SmillaEnlarger? It's a small graphical tool (based on QT) to resize, especially magnify bitmaps in high quality. Check out this video tutorial on how to back up and restore data easily on Ubuntu Linux.
Are you sick and tired of staring at that water damage on your ceiling? There’s no need to sleep staring at that annoying water spot on the ceiling when it's so easy to get rid of! Loose the spots with the easy steps listed in this video.
If you're struggling a bit with algebra, check out this video to learn how to isolate a variable. Isolating a variable is a matter of separating and simplifying.
Nothing is worse than having a contact slide under your eyelid. Okay, there are worse things. But this is one you easily can avoid. Check out this Howcast video tutorial on how to put in and remove contact lenses.
This housekeeping how-to video offers five tips for cleaning up your dog's accidents. Follow along and clean up dog accidents properly with help from the Dog Channel's five tips. Learn to clean up urine or soil, keep your home smelling fresh and prevent future accidents.
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.