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.
NikonDifferent of Nikon shows you how to shoot zoo/ wild life photography (particularly with a Nikon d40 as an example with a zoom lens with Vibration Reduction), given the fact that animal enclosures are usually set up to give the animals space. You'll want to limit your visit to two or three types of animals (good photographs require time or patience). Animals playing/ fighting make good pictures, but you need to set a fast shutter speed (if you have low light, crank up your ISO). Try to an...
Pill pockets are cat treats with a specially designed hole the fits a pill to stuff inside. Giving a cat medication doesn't need to be a battle anymore. Learn how to give a cat a pill the easy way by watching this video tutorial.
In this video, Chris Kimball of America's Test Kitchen appears on CBS to show us how to make full proof pepper-crusted fillet mignon. America's Test Kitchen made this recipe 40 or 50 times to make sure it's the perfect recipe. You can start with an entire tenderloin and cut out the center cut, which is preferred or you can buy them in the supermarket pre-cut. Next, take 5 tablespoons of peppercorns and crush them with the bottom of a saucepan. This makes it easier to coat the meat. Cook the p...
We've all seen them. Those guys or girls. Walking down the street with that little flashing blue piece in their ear. Do you love the convenience of your wireless earpiece, but you hate the way it makes you look like "one of them"? Here's how to avoid coming across like a total jackass.
A rainbow table can be thought of like a dictionary, except instead of words and their definitions, it holds combinations of characters on one side and their hashed form on the other. What is a hash and why would you want to know what random combinations of characters are hashed into?
People infected with HIV take many different types of pills every day to decrease the amount of virus in their body, live a longer and healthier life, and to help prevent them from infecting others. That could all be in the past as new clinical trials testing the safety and effectiveness of a new type of treatment — injections given every four or eight weeks — look to be equally effective at keeping the virus at bay.
While numerous examples exist of hospitals deploying the HoloLens to assist doctors, surgeons, medical professionals, and students while treating patients, California's Lucile Packard Children's Hospital Stanford is actually using the augmented reality headset to improve the patient's experience.
Apple's codec for photos and videos in iOS 11, HEVC (High-Efficiency Video Coding), as well as the container, HEIF (High-Efficiency Image File Format), result in a reduction in size for pictures and movies without sacrificing quality. Seems like a win-win situation, but Windows-users can't open the .heic extension that these files use. In order to open HEIC files on a Microsoft Windows PC, you'll have to turn to third-party apps and tools. One of these tools, CopyTrans HEIC for Windows, essen...
Opera's web browser for Android, Opera Mini, now comes with integrated ad-blocking technology for a less cluttered browsing experience. More importantly, it decreases the amount of data being loaded, which Opera claims increases webpage loading times by 40 percent. This is in addition to the 90 percent data reduction from Opera Mini's compression technology.
If you left your iPhone sitting unlocked, or have friends and family that like to play pranks, you may be stuck with an overly orange screen out of the blue. Or worse, your screen is normal most of the time, but seems to randomly change its tint in certain parts of the day.
Dogs make great best friends, but anyone who's had one knows they can be the most high-maintenance friend you've ever had. Bathroom breaks, feeding schedules and walks are only the beginning. Even if you make your dog organic treats and teach it neat tricks, it still needs to play. And after that fifth game of fetch, your arm can get pretty tired.
Sometimes pills aren't the best answer. Doctors do not need to prescribe medications for common health problems, such as high blood pressure. They can be helped by simple adjusting your lifestyle. If you have high blood pressure, you are more than twice as likely to develop heart disease and six times more likely to have a stroke than people with normal blood pressure. Manage your condition through diet.
A hungry tick is a determined little bugger—it wants to find its way into your skin if it’s the last thing it does. Here’s how to make sure it is the last thing it does.
Learn how to reduce your risk of allergies. Transform your home into a sanctuary for your eyes, nose, and throat by reducing the risk of allergies.
During our high school years, one of us (hint: her name starts with a B) worked at Cold Stone Creamery. She loved working there, and from this love emerged a fascination with adding creative ingredients to plain ol' vanilla ice cream.
Welcome back! In our last training session, we covered some advanced list topics. We'll be going deeper into the advanced list rabbit hole today with lambda and lambda operators! (And I'm not talking about Gordan Freeman)
Headaches are not only painful; they can affect your work performance and zap your energy. Instead of reaching for pain pills, try these natural cures.
Learn how to cure a headache with acupressure. Instead of reaching for a pain pill, massage away a headache using acupressure, the traditional Chinese curative technique of applying pressure to certain points of the body.
Botox is commonly used to reduce the appearance of wrinkles in the forehead area. But Botox for your jaw and neck? In this how to video Dr. Samuel Lam explains how to use Botox to reduce the jaw. Often times people with wider jaws seek out this popular procedure.
About a third of the methane released into the environment comes from the production and transport of natural gas. The gas leaks as it moves along the transport chain from gas wellheads to market.
Heart disease is the leading cause of death of men and women in the US. Over half a million Americans die from it annually. Atherosclerosis — a build up of plaque in the arteries — is a common feature of heart disease and can be caused by smoking, fats and cholesterol in the blood, diabetes, and high blood pressure.
This month, Iowa issued their first hepatitis C virus epidemiological profile and the news was not good. The number of cases of hepatitis C reported in Iowa between 2000 and 2015 rose nearly threefold, from 754 cases in 2000 to 2,235 cases in 2015.
Japan is in the process of curbing its aging population and mature workforce. According to The Diplomat, the country's population has been declining at a steady rate. To meet future productivity demands in commercial and industrial sectors, local officials are turning to self-driving technology, including truck platooning, where three or five vehicles travel autonomously in a string formation. This practice, according to a study by MIT, can reduce fuel consumption by up to 20% (more about thi...
You never know when the mood for a party will hit, and lazy summer days are perfect for hosting impromptu gatherings in the backyard. That's why it's always important to be prepared with plenty of drinks, cool snacks, and ingredients for crowd-pleasing appetizers.
Nokia's recent foray into the world of Android brought a plethora of goodies along with it. The Finnish smartphone manufacturer offers a slightly different take on our favorite mobile operating system, with customizations ranging from ringtones to its very own app store.
It would be an understatement to say that Android 10's gestures are a controversial change. A lot of people just don't like change, plus the back gesture can be a bit tricky to activate sometimes — even after Google added a sensitivity setting for it. Thankfully, a third-party developer has a unique solution.
While the tech industries giants and eager startups chase the dream of widespread consumer augmented reality, enterprise AR is living the dream today.
Less than two months after launching its augmented reality platform for casual gaming and shared experiences, Snapchat is ready to make Snappables available to advertisers.
Enterprise augmented reality software maker Scope AR is bringing the powers of its two productivity apps together like the Wonder Twins into the form of a single app.
Less than a week after securing a $25 million Series C funding round for automotive HUDs, DigiLens has introduced a new waveguide display for motorcycle helmets that's thinner, lighter, brighter, and manufactured at a lower cost.
Just days after announcing the launch of two new mixed reality studio facilities, Microsoft is extending its mixed reality reach even further with the announcement that the HoloLens will now be offered in 29 new markets.
Unless you had a master of visual effects for a parent, you had to imagine the floor was actually lava when playing the classic furniture-hopping game. With a Microsoft HoloLens, however, you don't have to imagine anything.
Complex games in mixed reality require a pretty detailed scan of the room, and getting this process right can be both time-consuming and annoying. Computer science students at the University of Washington decided to fix that by turning it into a game.
The Galaxy S5's screen is truly a feat of modern technology. It uses what is known as an AMOLED display—an acronym for Active-Matrix Organic Light-Emmitting Diode. In short, this technology means that every individual pixel on your phone's screen emits its own light. This is a break from the traditional LCD technology that requires a backlight for any pixels to be visible.
The more you use your device, the more you'll download and install apps. These apps range from helpful to fun to simple distractions, but after a while, you may notice slow down on your device or a marked reduction in battery life.
"Unfortunately, no one can be told what the matrix is, you have to see it for yourself." That's the line just before Morpheus gives Thomas Anderson (aka Neo) the red pill, finally opening his eyes to the tapestry of code that has veiled his eyes for his entire life.
This basic Photoshop tutorial shows you how to easily create a shiny oval object with reflections.
We never thought that yummy chocolate cupcakes could get any better...until we saw this recipe. Combining the godlike perfection of chocolate cupcakes with oodles of chocolate icing, pilled on until tipping point, these high-hat chocolate cupcakes are outrageously overdone treats that have us drooling in our seats.
There's nothing in this life that we love more than making one ingredient or one food tool do multiple things. It saves money! It saves time! It makes us look smart at cocktail parties!