In this home-science video tutorial, we learn how to test an organic substance for the presence of starch. For all of the details, including step-by-step instructions, and to get started testing for the presence of starch yourself, take a look.
In this tutorial, we learn how to test paint for the presence toxic lead. You will first need to make up two solutions. One will need sodium sulfide and water mixed together in a small container. Then, add acidic acid and water into another container. Drop small amounts of the mixtures into containers, then add in the paint to the containers. Watch and see how the reaction of the paint is with the mixture. If you start to see a black reaction occur in the container, you will know that your pa...
Urine does not normally contain glucose and protein. Testing urine for the presence of protein and glucose gives your doctor an insight to your kidney function and overall health.
This video shows how stool is tested for the presence of occult blood.
This free video science lesson from YouTube's bionerd23 demonstrates a simple technique for detecting the presence of radon, a radioactive noble gass. For all of the relevant details and detailed, step-by-step instructions, as well as to get started trying this experiment yourself, watch this home-science how-to.
Watch this science video tutorial from Nurd Rage on how to test if a fertilizer has nitrates rather than urea or ammonia as its nitrogen source.
Have you ever had a burning sensation when you urinate? Low fever, back pain, and maybe cloudy urine? Male or female, it could have been a urinary tract infection. If it lasted long enough, the chances are good you went to the doctor for help. For about 20% of women, standard testing for a UTI does not reveal the presence of infection-causing bacteria, even though bacteria may be causing their symptoms. Well, a new test may provide better answers.
Any successful blogger and business brand will tell you that social media is really the only PR you need these days. Whether you're tackling Facebook, MySpace, Twitter, or planning a takeover of YouTube, getting your product name out there - even if it's just your own name because you run a blog - is the number one absolute, most importan thing you can do to sell your brand.
Maybe you learn best by seeing things worked out in front of you and what you just saw in class today about Electronic action potential of neurons didn't quite sink in. Not to mention the test that you have coming up this week is going to be an in-depth analysis of your knowledge on this material. Let Khanacademy be your guide! For less than half the time it takes to sit through the Professors class, he explains the function of Neurons, how action potential works and sends you on your way to ...
The Naked Brothers Band teaches you how to rock with good stage presence. Rock out with the Naked Brothers Band!
Colorado State University scientists have developed new tech that quickly identifies the presence of Zika virus in mosquito populations — and in human body fluid.
Onshore, or on a boat, have you ever wondered what swims below in the dark water? Using standard equipment and a new process, marine scientists can now get a good look at what is swimming by—just by analyzing the water.
An accelerometer is capable of detecting how the device is being moved by the user, a feature which can add an extra level of functionality for an application which knows how to take advantage of it. This video explains several different methods for incorporating the presence of an accelerometer into your mobile content.
In this video, learn how to make your own homemade electroscope. An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body and for static electricity experiments. They are easy to make. This electroscope is made from a binder clip and two sheets of plastic (or overhead transparency film), and scissors.
Putting together a print portfolio for your photography? This instructional photography video provides some suggestions on photographic portfolios and how to assemble a portfolio. It is very important to have a good online presence, a nice gallery of your work to show. But there are advantages to having a print portfolio as well.
Welcome back! In the last round of python training, we talked about tuples and dictionaries. We'll be diverging again and talking about logical operators as well as membership operators. These are used very similiar to booleans, so if you haven't read that, I suggest you do so first.
Make sure that your Google+ profile only reflects the information that you want it to. Control your online presence and privacy in Google's social network by following the suggestions of this video. Learn how to edit your Google plus profile.
Chlorine gas is a very useful oxidant, which was first introduced as a toxic weapon by the German Army. Even today, it's still used as a weapon, most recently in the Iraq War by insurgents. But chlorine gas has more useful (and less lethal) applications, and if you want to learn how to make some at home, NurdRage has the answers.
You need an app to be competitive, but you don't know any code. Don't let that stop you. Watch this video and learn about buzztouch a website that will make your app for you. Expand your presence with an app in the App Store or Android Market.
If you're interested in forensic toxicology and are trying to determine the presence of salicylate by using a visual colorimetry, then look no further. This indepth and compelling video takes you into world of salicylate determination.
An EMF detector will help you find invisible electromagnetic fields, and you can make an inexpensive one for under ten dollars. This will only detect the presence of a field, you will need other tools to be able to measure its strength.
To get the Mr Black OP achievement on Call of Duty: Black Ops, you will need to take out a platoon of guards without them alerting each other to your presence. The best way to do this is by using your bow and arrow.
XBox 360 avatars were added a couple of firmware updates ago, and added all sorts of new options for customizing your presence on XBox Live. Do you find them too limiting? This video will teach you how to mod your avatar's skin and hair color using your PC and some free software:
In this video Guruka Singh shares his thoughts about feeling the Guru within you. Presenting yourself before the Guru, and experiencing that state of surrender in which you are getting out of the way, letting go, and letting the Guru's light fill you, and the Guru's presence fill you.
If you're anything like me, every time you travel you end up in a desperate panic for a decent W-Fi connection. Whether you want to post your photos, research the best beaches, or kill time during an overnight layover, a hotel's Wi-Fi quality is of paramount significance in making a reservation.
Wherever there are people, the party is sure to follow. Well, a party of microbes, at least. That is what scientists at NASA's Jet Propulsion Laboratory have found after a 30-day microbial observation of the inflatable lunar/Mars analog habitat (IMAH).
There are a number of ways to give your productivity a kicktstart, from taking a break from your distracting smartphone to just taking a break, plain and simple. Yet finding the motivation to start working doesn't require any effort at all—just a little bit of green.
When you need a website to showcase your product or service, it can be quite confusing. Follow these easy steps to gather everything you need to have a successful website. Start your search for a domain name in the domain name registrar. (Example: www.companyname.com) Rent space from a hosting company to hold the files for your website. Set up an email account for your company. Create the content for your website (example: products, prices, services, etc). Get internet security to protect sen...
If you want to cause one of your friends some extreme discomfort and possibly ostracization, try doing this to them! This video will explain a simple prank that you can pull when one of your friends / enemies leaves their cell phone unattended in your presence. I won't give it away, but they are sure to feel the wrath of this one and will not be able to blame it on your concretely. Brilliant!
Monitoring your blood glucose level is absolutely essential to your health if you suffer from diabetes. You need to keep track of your blood sugar or you could be in danger. This video tutorial will show you the proper way to use a blood glucose meter and give you helpful tips on getting the most out of them.
Trained dogs may be used to help eradicate bed bugs. A sign that your home is infested with bed bugs is the presence of bites. If bites appear in a straight line, on the skin, then that's a classic sign of bed bug bites. Trained dogs are able to pinpoint the bed bug infestation. They are 98% accurate, when other methods are only effective 30% of the time.
In this Pets & Animals video tutorial you will learn how to safely care for your kitten with Dr. Gaspar. Your kitten's first year life is critically important. First make sure your home is safe for your kitten. Remove anything that you wouldn't leave about in the presence of a child. Get your kitten home over the weekend so that you have plenty of time to get acquainted with the kitten. Introduce your kitten to the litter box. The box should be roomy and uncovered. Place the box in a quiet lo...
Just months after we previewed the augmented reality, volumetric video conferencing powers of Mimesys, the company has undergone a major change — it's now a part of Magic Leap.
In the past, infection with human immunodeficiency virus (HIV) commonly led to dementia as the virus made its way to the brain. Even in effectively treated people, HIV can hide out and replicate in places like the brain, where it's tough to detect. That's why it's very concerning that half of all HIV-infected patients still report cognitive problems.
NMAP is an essential tool in any hacker's arsenal. Originally written by Gordon Lyon aka Fydor, it's used to locate hosts and services and create a map of the network. NMAP has always been an incredibly powerful tool, but with it's newest release, which dropped mid-November of last year, they've really out done themselves.
The coils in your car's engine can cause a lot of misfires if they aren't working properly. If you want to test them and don't have any expensive professional equipment like a labscope, watch this video to learn an easy way to test coils.
We'd be lying if we said that the upsurge in the past few years of DIY/homemade weddings wasn't due to the bad state of the economy. While DIY has always had a presence, its following was more cultish in nature until recently. With the average wedding costing $29,000 and maintaining and getting a job as hard as it is, it's no wonder brides and their super loyal friends are making as much of the wedding decor and treats as they can.
To continue getting the enjoyment out of your fireplace you should inspect it regularly. Check the condition of the mortar in the firebox. If it is loose, missing, or crumbling it needs to be professionally repaired. Look for black deposits inside of the chimney or flue using a flashlight; presence of black deposits inside of the chimney or flue indicates the need for a licensed Chimney Sweep to clean the chimney in order to prevent a chimney fire. The chimney should be free of obstructions t...
Safe motorcycle riding requires knowledge and skill. Testing two-wheel vehicle operators is the best measurement of the skills necessary to operate safely in traffic because people often overestimate their own abilities.
If you're Christian or Catholic you're probably familiar with the infamous Hail Mary prayer. It doesn't require much. Just memorize the prayer and the next time you find yourself in need you will know just what to say.
