When you don't have a steady cellular signal or immediate Wi-Fi access but need to communicate with others around you, you can set up an off-the-grid voice communications network using a Raspberry Pi and an Android app.
In my early life I was deeply impacted by the work of physician and psychoanalyst John C. Lilly. I still have my dog-eared copies of The Mind of the Dolphin (1967) and Programming and Metaprogramming in the Human Biocomputer (1968). Lilly's work, with dolphins and the development of the sensory deprivation tank, has formed the basis of movies, music and television productions.
In recent years, communication has become more intimate with the advent of applications like Skype and FaceTime, but what about the longing for actual physical contact? What if you could feel a loved one's hand, or even exchange a kiss? Impossible, right?
PopSci's Gray Matter explains how to "hack light", a simple project that calls for glow sticks, diagonal cutters and Drano. Here's the science behind it:
BPA: Why Plastic Ain't Good For You BPA or Bisphenol A is in many of the products we use. Everything from Ziploc bags to shower curtains, we are exposed to BPA all the time.
Lights not working, or appliances not working? Maybe it's the electrical system. This video home improvement tutorial shows how to test the electrical wiring in your home. Just make sure to turn the power off first!
Do you want strong, healthy nails? With just a little time and basic care you will find that you have fingernails that others admire. Growing strong, healthy fingernails can be done with just a little time and care. One of the keys to healthy nails is to make sure you get enough protein in your diet. Take time to think about your nutrition. Are you eating enough protein? Even if you are a vegetarian you can get plenty of protein with beans, nuts and tofu. Also, are you drinking enough water? ...
Watch this video from This Old House to learn how to put in a ceiling fan. Steps:
Watch this video from This Old House to learn how to install a mini-split air conditioner. Steps:
There is only one chance to make a first impression. Learn the many facets of non-verbal communication and how it affects everyday life from a communications and public speaking expert in this free relationship building video series.
Etching your own circuit boards is tons of fun, but etching requires strong chemicals to dissolve the copper plating on blank circuit boards. The normal ferric chloride solution works well, but can be expensive and leaves permanent stains. Luckily, we can whip up our own etchant at home with everyday chemicals! Better yet, our new etchant will turn an eerie green color rather than the dull brown of ferric chloride.
Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
In each day of our life, we see inflammation. We see it during sore throats and abscess formations in our bodies, and even slight tooth pain is a form of inflammation. Sometimes it's good when it fights to protect us from invading organisms, but sometimes it becomes bad when it occurs in inappropriate ways, like acne.
After learning that you'll need to spend at least $74 on a special charger and a USB Type-C Lightning cable to enable fast charging on the new iPhone X and iPhone 8 models, you may be wondering why you can't just use the standard Lightning cable. While we can't answer why Apple didn't include the USB-C cable in the box with their new phones, we can explain why you need USB-C to enable fast charging.
Faraday Future's all-electric super sports car concept attracted a lot of attention at CES earlier this year, but now it is struggling to replace key driverless engineers and program directors who left the company amid its recent financial troubles.
By connecting the dots between theory and real-life effect, two new studies offer more proof that neonicotinoid insecticides are causing extensive damage to honeybee colonies.
Augmented and mixed reality developer Arvizio is working on a suite of software solutions for enterprises that will extend HoloLens capabilities as a full-fledged collaboration and conferencing tool. The company will demonstrate its Mixed Reality Studio suite to attendees at the Augmented World Expo, which begins later this month in Santa Clara, California.
Smartphones and tablets are great for watching movies and videos while you're out, but at home, the screen is just too tiny. There are quite a few projectors on the market that work with mobile devices, but they can get pricey.
The first alarm clock in recorded history can be traced back to ancient Greek philosopher Plato, known for laying the foundations of Western philosophy and science. Plato was said to possess a very large water clock with an alarm signal similar to that of a water organ.
Welcome to Microwave Energy—the next part of my Making Electromagnetic Weapons series. For the Electromagnetic Pulse Generator, check out the last three articles (One, Two and Three).
UTILIDOR n pl. -S an insulated system of pipes for use in arctic regions 59 points (9 points without the bingo)
All stuffed up and wanting to breathe – but without the chemicals? Here's how to get relief fast! Learn how to clear up a stuffed nose with this home remedy.
Ant problem? If the ants have come marching two by two—or, God forbid, 10 by 10—it’s time to put an end to the parade. Here’s how. How to get rid of ants, a guide by Howcast:
Oh, boy. A stopped-up drain. It'll inevitably happen with any home plumbing system and your kitchen sink is no exception. That clog won't go away on its own and will require immediate attention to keep any standing water from rising. But you don't have to resort to calling an expensive plumber or using a bottle of hazardous chemicals. Using simple kitchen staples or common household objects, as well as some determination, you can unclog your kitchen sink on your own without paying a dime.
In this tutorial, we learn how to improve acne by drinking water. Water is great to hydrate the body and it flushes the toxins out of the body. This will make your skin far less dry and it will keep your skin glowing. You can also eat the right foods to help keep your skin looking great. Tap water is alright to drink, depending on the different areas you are in. Filtered water is ultimately the best water for you to drink, because it will be clear of chemicals and be the best for your body an...
In this video, we learn how to make a pH indicator out of red cabbage. Red cabbage will work because when it absorbs an acid then it changes color and reflects light differently. To do this at home, try to add different types of acids to the cabbage. Start off by putting the cabbage in the blender, then make sure it's shredded. Now, put it in a jar with some boiling hot water. Shake up the jar, then place the water into some separate cups. Now, add chemicals into the juice and depending on th...
WhatHappensNow talks with Edina Minnesota Fire Marshall Tom Jenson who explains how to properly use a fire extinguisher. During the video Tom briefly offers a helpful tip, suggesting to remember the P.A.S.S. acronym when it comes to using a fire extinguisher. P stands for pull, your first step having to pull the pin that holds the extinguishers lever in place. The letter A stands for aim, the second step having you aim the nozzle of the extinguisher at the fire. The third letter S stands for ...
The Visual Prototyper is a wireframe design solution that allows you to design a fully functional application wireframe and simulate it.
Check out this video from Chemical Reaction Tutorials (CRTutorials). If you love filmmaking, prop making, editing and everything else that goes along with making movies, then you'll want to see what Adam has to say about gauntlets.
Check out this video from Chemical Reaction Tutorials (CRTutorials). If you love filmmaking, prop making, editing and everything else that goes along with making movies, then you'll want to see what Adam has to say about teleportation.
Check out this video from Chemical Reaction Tutorials (CRTutorials). If you love filmmaking, prop making, editing and everything else that goes along with making movies, then you'll want to see what Adam has to say about ice hands.
Want to be able to take a water filtration system with you everywhere you go? Well, that's where NANO Carbon comes in.
Check out this video from Chemical Reaction Tutorials (CRTutorials). If you love filmmaking, prop making, editing and everything else that goes along with making movies, then you'll want to see what Adam has to say about land mines.
Check out this video from Chemical Reaction Tutorials (CRTutorials). If you love filmmaking, prop making, editing and everything else that goes along with making movies, then you'll want to see what Adam has to say about reversing video.
Adam from Chemical Reaction wants to show you a little movie magic. This video tutorial will show you how to shoot and edit a cool dance effect for your homemade film. You will see how to position the camera, set up the scene, shoot it twice (once with your legs dancing and once with you standing still), and then edit it in your favorite editing program to make it look like you're dancing without the top half of your body moving.
Learn how to give an impromptu speech with expert tips on speech, communications, and etiquette in this free public speaking video.
New to eBay? Don't worry, setting up an account and buying and selling doesn't take that much effort at all. Everyone who has an Internet connection has at one point come across eBay, to find the perfect gift for their loved ones, to find the cheapest deals on plasma televisions and computers, or to get rid of their dusty, old record album collection in their web store.
If there ever was a day to eat green candy, St. Patrick's Day would be it. But is there something better than the banality of green candy swarming the streets on St. Patty's Day? Yes—glowing green candy, and Instructables user BrittLiv wants us to show you how it's done.
A lack of good communication is the cause of many relationship problems. Learn about communications barriers in relationships in this free video from an expert on interpersonal communication.
From 1955 to 1975, military researchers at Edgewood were using not only animals but human subjects to test a witches' brew of drugs and chemicals. They ranged from potentially lethal nerve gases like VX and sarin to incapacitating agents like BZ.