What do you get when you mix water-filled bowls with electrical wiring and human hands? The answer may shock you. Artists Ion Furjanic & Isaac Souweine write, "Electric Tea 1.0 is the first in a series of works that put sound where it doesn't belong. [It] uses porcelain bowls, metal orbs, speaker wire, water, and the conductive power of the human body to create a water based musical controller."
A relay is an electrical component that works like a light switch, where it's turned on or off with an electrical signal. By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of any device connected to the same Wi-Fi network — all for just a couple of dollars.
Waking up your Apple Watch to see "your heart has shown signs of an irregular rhythm suggestive of atrial fibrillation" might come as a shock. While your watch can send you warnings if it detects a fast or low heart rate, those messages are pretty vague, while the abnormal arrhythmia alert can downright scary. So what should you do if you receive one of these AFib notifications?
Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touches.
This informational video brought to you by 20 Day Persuasion, shows you how to tell if someone is lying by taking note of a person's body language. Body language is one of the most powerful forms of communication once you know the how to read the indicators. Most of the time, it is unconscious, which means the person doing it has no idea that they are giving him or herself away. This video will provide you with the tips you will need to detect when someone is lying to you. Tell if someone's b...
Wood can be refinished by sanding off the old stain or paint but sanding runs the risk of removing fine details on the wood. Chemical strippers are the best to remove paint, varnish and shellac. Prepare the area on and around the project, strip, scrape and scrub. You might encounter some tricky situations like finding it hard to clean details on the wood. After project is stripped and cleaned, let it dry over night. It is time to refinish the wood. Bleach wood if needed, stain or leave natura...
If the letters on your laptop keyboard are faded or dirty, cover them with strips of washi tape. A high-quality, decorative tape made of rice paper based in Japan, washi tape is an extremely versatile craft tape known for its eye-pleasing decorative patterns and low-adhesive quality that makes it easy to unstick, reposition, and reuse again and again.
Gardening hose starting to leak? Don't throw it out just yet. Cut it up into smaller lengths and slice it open to use the hose as a protective barrier for outdoor electrical cords, or as added grip on a metal paint can handle.
NK5 is a genuine wizard with an old monitor. He's hacked together everything from an electric kitty fence to a Halloween hologram using the guts of an old CRT.
Impossible, right? Ahh, well science says fire and ice can and do coexist.
E-mails has become an everyday medium of communication, but rules and etiquette still apply. Learn e-mail etiquette and popular e-mail features in this free communications video.
John Leeke demonstrates using steam to remove heavy paint build up from wood surfaces in this five minute video. Steam paint removal softens the paint film so it can be more easily scraped away. It works well with the heavy paint buildup commonly found on the exterior of older buildings during house restoration and historic preservation projects.
Smartphones are still "phones," which means communicating with others is usually a primary use. Ranging from a simple "hi" to a more personal conversation and even sharing passwords, our messages should remain private so that only the intended recipient sees their content. While many apps tout end-to-end encryption, not all apps prioritize security and privacy.
While everyone was marveling at the latest drama over at Magic Leap involving employees last week, a major rumor listed in one of the reports, related to the company's flagship device, was mostly overlooked.
Aspiring engineers, your challenge, should you choose to accept it, has been issued by Jaguar Land Rover.
The new USB Type-C standard was supposed to revolutionize smartphone charging, but so far, it's done more harm than good. Many cable and charger manufacturers are struggling to keep their products in line with the proper USB-C specifications, so as a result, we now have to check to see if a cable is compliant before purchasing one.
Those of you who have been a part of the Null Byte community for even a short while know that I sincerely and firmly believe that hacking is the most important skill set of the future.
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.
What's the first thing you would do once you realized you were lost in, say, a desert? If you're like me, you would immediately pull out your cell phone and start dialing every number. But what if you have no service? What if your battery is dead?
Are your plants dying? Are they in dire need of some fertilizer? Is your compost not cutting it anymore? Well, save your garden plants with this recipe for nitrogen rich manure tea fertilizer. It's a really easy all natural fertilizer anyone can make. You can collect manure in your pasture or buy it by the bag at a garden center. You can also reuse the manure over and over again. Keep chemicals out of your garden and go green!
First of all the tutor advises that this is a good idea to do it regularly. It is advisable to drain it out otherwise it shall stop the boiler from working. Before starting your work you have to switch off your boiler. Now allow the water to cool down because it is very hot. First find out the radiator and the drain valve attached to it. Now take a hose pipe which is long enough to drain the water from the radiator to your backyard. Slide the pipe over the inlet and then secure it the link. S...
In this video, a man answer questions sent in by viewers, about various plants. First he covers how to braid a ficus tree trunk. To do that you must grow the trees close together, then trim off the bottom limbs, and braid the trunks. Next he talks about growing miniature roses indoors. Miniature roses must be carefully watches for mold, insects, and over-exposure to sunlight when grown indoors. Then he answers a question about carnivorous plants. He covers the Venus fly trap, and demonstrates...
Identify pinion needle scaleWe are going to look at this insect because eggs are being laid. Two year old needles are being cast off. This is a sign of infestation. There is also sparse, open foliage. This tends to be a chronic infestation. The insect is the pinion needle scale. You can see tiny, bean shaped bumps on the 2 year old needles. The insects move to last years new growth and feast on the sap of the needle all summer. You can see egg masses and web on the trunk of the tree. The inse...
Blue corn is a special variety of corn which can be differentiated by the majority of the corn species by looking at the unusual top growth of the corn. It is a hybrid and grows very uniformly throughout. Now take a corn from the field and peel it off. You shall notice that it has a blue color corns. Blue color corns are hard from outside but they are very soft and tender in the middle. You can use these blue corns in making commercial products like blue corn chips, tortillas, and atole ’,‘ c...
There are a variety of substances that you can use to clean your LCD screen. The one thing you don't want to use is anything that has alcohol in it. Alcohol will damage your LCD. Any LCD cleaning liquid will work to safely clean your LCD. It is also good to use a microfiber cloth also so that they don't put any scratches in the screen. You should never use napkins, paper towels, or Kleenex. The primary ingredient in most LCD cleaners is water. The key is that they remove the impurities and ch...
This video has a man by the name of Dr. Neder and he has a book by the name, ‘how to be a man in a woman’s world.’ He answers a series of questions. The first question asked is how to get a girl with a boyfriend. The answer this video provides is simply that all girls are looking to date up. Meaning your value and assets, if there is a greater attraction then the girl will end up with you and dump the guy that she is with. Does size matter? The average size of most man is five inches to five ...
If you don't have room for a full-scale compost heap, you can always employ the services of some worms. In this handy vermiculture how-to, you'll learn how to build your very own wormery.
Smash glow? What the heck is that? That's exactly what you'll find out… watch this science video tutorial from Nurd Rage on how to make smash-glow crystals (triboluminescent crystals) with Dr. Lithium.
Watch this science video tutorial from Nurd Rage on how to make a lithium thionyl chloride battery, which is capable of generating 2.8v with enough current to power a LED.
Watch this science video tutorial from Nurd Rage on how to make silver chloride for a photochemistry test. They show the chemistry of photography using silver chloride that they make themselves from table salt and silver nitrate.
Watch this science video tutorial from Nurd Rage on how to make a mirror silvering solution from silver nitrate, ammonia, sugar, and sodium hydroxide.
Try out this science experiment... watch this video tutorial to learn how to illustrate the scientific concept of conservation of mass. This is purely educational, and not as exciting as some other demonstrations, but this does clearly illustrate the concept of conservation of mass.
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.
Since it's introduction, iPhone has become the standard for design and ease of use, redefining what's possible on a mobile phone. And now with iPhone 3G, this revolutionary device gets even better, offering even more advanced capabilities. iPhone 3G works with fast 3G cellular and wi-fi networks around the world to keep you connected wherever you go. With its integrated GPS technology iPhone 3G makes it even easier to find where you are and where you're going. iPhone 2.0 software includes sup...
A tutorial of how to use EKTS.
Nikola Tesla In my opinion, one of the most neglected inventors of all time. The names Edison and Marconi come to mind as familiar, but Tesla? Most think of a car. Few know that Tesla is responsible for alternating current, florescent lights, radar, remote control, generators that preform efficiently, the spark plug, and many others. The U.S Supreme Court declared in 1943 that Tesla, not Marconi, was the true inventor of the radio.
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.
Colorado State University scientists have developed new tech that quickly identifies the presence of Zika virus in mosquito populations — and in human body fluid.
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.
In the ongoing search to find better ways to use antibiotics, an extract made from maple syrup has some surprisingly important medical benefits.
