This medical how to video demonstrates how to take an arterial blood gas sample. The purpose or arterial gas sampling is to assess the patient's respiratory status as well as the acid/base balance in their blood. To perform this medical procedure you will need the following in ...more
You probably already know that cooking involves a ton of chemistry. Bread rises because of the reaction between the flour and leavener, and the delicious crust on your steak is formed by the Maillard reaction. Understanding the chemistry going on behind the scenes is one of th ...more
Curious about reduction & oxidation? In this two-part episode of The Science Catalyst hosted by Barry Lambson, the subject of Chemistry, reduction & oxidation is gone over with iron powder and copper sulphate. Oxidation and reduction are heavily related which is why they are b ...more
First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more
This video tutorial is in the Education category which will show you how to understand chemistry and chemical change. The question here is 10g of Mg ribbon reacts with 0.15 mol decimeter cubed of hydrochloric acid at 25 degree Celsius. What is the balanced equation for this re ...more
Worried your canine might bite somebody? Afraid to take them on walks anymore because of what could happen if a child walks past you? Afraid of a lawsuit? These are the worries associated with overly aggressive dogs. But with proper training, an aggressive dog can be transform ...more
“On this day he had lived with that feeling, with death breathing right in his face like the hot wind from a grenade across the street, for moment after moment after moment, for three hours or more. The only thing he could compare it to was the feeling he found sometimes when ...more
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 etcha ...more
Color Correction: Put Your Best Foot Forward via Hurlbut Visuals My first experience with the 5D DI color correction was for the Terminator Webisodes produced by the Bandito Brothers through Wonderland Sound and Vision. McG asked me to be the Director/Cameraman for these al ...more
Awakening the female energy that resides in the base of your spine is not a process that can be done in an afternoon but is something you work towards though lots of work in kundalini yoga and work toward an enlightened state of being. In Hindu mythology, kundalini is a coile ...more
Baking soda is a powdery miracle. Not only is it the secret ingredient to making mashed potatoes fluffy, it can help you make authentic-tasting soft pretzels at home and caramelize onions in half the time. It's actually got lots of surprising uses you might not know about, and ...more
The noodle is a noble thing. And while I love ramen and pasta, I have a real soft spot in my heart for macaroni salad (especially the kind that comes with Hawaiian plate lunch) and the type of pasta salad that's dished up during picnics and barbecues. Traditionally, the only v ...more
Beer isn't just for drinking anymore. There are many useful and surprising things that an ice-cold brewski can help you accomplish, from household chores to better-tasting food. It can even help you look and feel healthier. And while it may seem sacrilegious to use a beer for ...more
Even though you may love onions, cutting them is probably a completely different story. You've really got to be a pro at slicing and dicing them without getting frustrated, and even then they can still make your cry—literally. But if you don't want to wear a pair of goggles to ...more
Salad greens are a staple in my house and for good reason: they're cheap, nutritious, and work as a base or an accompaniment for almost all meals. However, it's all too easy to forget about them and then pull out a bag filled with sludgy dark goo or yellow, inedible leaves. T ...more
If you want your photos to look like they came straight out of a movie scene, the best method is to use split toning. Many Hollywood producers use this effect to recreate the cinematic look of cameras before the digital film era, which is why most people associate split toning ...more
Now that we've officially seen the HoloLens 2 and Microsoft has shown off the improvements and new superpowers of the augmented reality headset, what about the specs? Luckily, Microsoft has laid bare the full specifications for its next-generation headset. Let's dive in and s ...more
Long admired for their active and cooperative community behavior, some types of ants also wear a gardening hat. Nurturing underground fungus gardens, these ants have a win-win relationship that provides food for both ants and fungi. If we humans understand it better, it may ju ...more
The squiggly guys in this article's cover image are Propionibacterium acnes. These bacteria live in low-oxygen conditions at the base of hair follicles all over your body. They mind their own business, eating cellular debris and sebum, the oily stuff secreted by sebaceous glan ...more
For anyone using open source information to conduct an investigation, a balance between powerful tools and privacy controls are a must. Buscador is a virtual machine packed full of useful OSINT tools and streamlined for online research. This program can easily be set up in Vir ...more
Many of the beauty products you buy at drug and department stores are loaded with potentially toxic ingredients like parabens, while their active ingredients are made of things like glycolic, lactic, malic, and alpha hydroxy acids and retinoids, which are all derived from food ...more
Marinades are among my all-time favorite tricks as a cook for several reasons. They're easy like Sunday morning, they let time do what it's supposed to, which is work for you, and you get a huge return for relatively little effort on your part. In a pinch, I've used store-bou ...more
People fundamentally distrust magicians. And they should. The illusions they proffer are just that, illusions meant to astound rather than tangible interactions and results that have weight and meaning in our real world. Our lizard brains know this, and, no matter what the out ...more
In the technology space, there are certain brands you grow to depend on. Whether it's due to a long, multi-decade track record of success, or new innovations that blow you away, some tech names accrue a rare kind of brand equity with users that's difficult to earn. That's why ...more
Just like Instagram, Photoshop Express for Android and iOS has its own set of filters you can quickly apply to any photo. It's simple, fast, and more customizable than using Instagram's pre-made filters. The options in Photoshop Express allow you to edit and change your filter ...more
Continuing our NR30 series this week, we focused on the leaders of the software development industry that make augmented reality experiences possible. In other news, two of the current leaders in making AR headsets, Microsoft and Magic Leap, are pursuing multiple verticals wit ...more
Microbial cells can improve the functionality of clothes in creative and useful ways, including cooling us down during a workout or making clothing glow for better visibility. The innovative products were developed by a team of 14 researchers from MIT, in such broadly diverse ...more
In the tech world, when you're a small startup going up against the Goliaths and their massive marketing budgets, you're forced to find and produce something almost magical to help your product stand apart from the rest. And that's exactly what Occipital Inc. has done with the ...more
As researchers learn more and more about our intestinal bacteria—also called the gut microbiome—we're finding out that these microbes aren't just influencing our health and wellness, they're a useful tool for improving it, too. The bacteria in our intestinal tract must proper ...more
When the HoloStudy Demo app for HoloLens came out in September, it was a pretty impressive start to what could be a very valuable science tool for education. Now, Moscow-based HoloGroup, makers of HoloStudy, started an Indiegogo campaign to improve their modular teaching app. ...more
Gravy is a relatively simple dish, yet it's remarkably easy to mess up. We've all experienced the disappointment of excitedly pouring gravy onto our mashed potatoes, only to realize it's too runny, too lumpy, or too bland. And because gravy is so simple, even if you don't mess ...more
The headline above may have some spice addicts shaking their heads, but, believe it or not, there are people out there who either don't like or can't handle a ton of spice. And even heat lovers sometimes add more spice to a recipe than intended—so check out these handy method ...more
It's common knowledge that certain foods foster brain development, health, and memory. Fish almost always makes the list, as do any foods that are loaded with antioxidants like blueberries, nuts, whole grains, green tea, and dark chocolate. Spices like turmeric are being studi ...more
What is gluten, why do some people think it is pure culinary evil, and why are there more and more products devoted to being free of this mysterious substance? Here's what one person thinks: What Is Gluten Really? Gluten is a protein found in wheat (including lesser-known spe ...more
In just a few weeks, on May 29, the annual AWE (Augmented World Expo) conference will take place once again in Silicon Valley (Santa Clara, California, to be exact). And while everyone will be on the lookout for the next big thing in augmented reality coming from major player ...more
Whether it's for health reasons or just to look better, many of us want to get in shape. It's a long process that starts with nutrition, and dieting is never easy. Fortunately, there are some great food-tracking apps that will make it a lot easier to become a healthier version ...more
No matter how good a display is, the idea of perfect color calibration is subjective — some prefer warmer more saturated colors, while others prefer the calmer cooler side of the color spectrum. It is almost impossible to create a single color calibration that everyone can agr ...more
One could argue that, at least for the moment, software development is more important to the augmented reality experience than hardware. Since a viable augmented reality headset has yet to emerge for the broader, mainstream consumer market, currently, the same devices that mak ...more
Your childhood "social networking" may have been to go outdoors to the neighbor's — and outdoors is a great place for kids to be. But these days, the terms educational, digital media, entertainment, and toddlers don't have to be mutually exclusive. Like most things in life, it ...more
While many of you were off surfing and lounging on some sandy beach or trying to figure out how to balance work with sky-high summer temperatures, I've been talking to all the companies that make augmented reality what it is today. My best opportunity came during the recent A ...more
Coinbase is the primary go-to for many users when it comes to investing in Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Ripple (XRP), and more, due to its user-friendly interface. But before you join them, know that the ease of use comes with a price. Coinbase charges fees f ...more
After numerous scandals like the Equifax data breach and the 2016 US election, cybersecurity has become a significant issue for Americans. Unfortunately, anytime we use our devices, we're open to a cyber attack — especially when we browse the web. However, there are ways that ...more
In my previous article, we learned how to generate a vulnerable virtual machine using SecGen to safely and legally practice hacking. In this tutorial, we will put it all together, and learn how to actually hack our practice VM. This will provide some insight into the methodolo ...more
If you haven't read the last article, feel free to stop by and give it a read, but abstaining from reading it will not, for the most part, be detrimental to your understanding. Today we are going to explore some of the inner workings of Bitcoin. As we previously learned in th ...more
We are most certainly not machines. We all need some downtime every once in a while to set our sanity scales back in balance, which in turn, makes us more productive workers. This is a premise that several forward-thinking employers fully understand, but these types of compani ...more
Welcome back, my greenhorn hackers, and happy New Year! Now that your heads have recovered from your New Year's Eve regaling, I'd like to grab your attention for just a moment to preview 2015 here at Null Byte. I hope you will add your comments as to what you would like to se ...more
Gatorade: its popular red flavor can stain the whitest fabric, and its sweet taste is oddly refreshing after breaking a sweat. If you've ever participated in a sport, you probably spent halftime at games and practice breaks chugging the stuff. Though it made its name as a spor ...more
The top five apps of the 2010s were all social media apps of some kind, and the fact that's not surprising to you says a lot. We may use them for other reasons here and there, but our phones are social media machines at their cores. The thing is, some make better machines than ...more
You don't have to be a frequent flyer to know how indispensable navigation apps have become. Many of us rely on these apps for traveling from state to state and getting around in foreign cities, but even more of us count on these apps to beat rush hour traffic and find the qui ...more
As I've mentioned in recent days, it was refreshing to discover that Microsoft's HoloLens 2 stage production was every bit as accurate as presented (check out my hands-on test of the device for more on that). But beyond watching Microsoft's deft HoloLens 2 stagecraft, and try ...more
Influencers of augmented reality demonstrate expertise in their fields and outline a strong vision for the future that they evangelize to others. They help define the direction of the industry and identify others who foster and create innovation in the field. The idea of the ...more
Apple's latest mobile operating system for iPhones, iOS 12, was released to everyone Monday, Sept. 17, and it's the same exact build that developers and public beta testers received as the "golden master" on Sept. 12, the day of Apple's 2018 special event. Install it to start ...more
Give an 18-month-old a shoe, check back 10 minutes later, and it's a very big maybe he will have it on his foot. But give him your smartphone, and in a mere five minutes, he can take 100 pictures of the carpet, send weird messages, and delete essential apps. Imagine what your ...more
The transcribing app can be an invaluable tool, especially if you're a student or are in a profession that relies on audio journals or interviews. These apps can convert important recordings like lectures and meetings into text for you to carefully read through to better compr ...more
I was in college, and my 15-inch Sony Vaio laptop was my prized possession. It was my first PC and probably the most important thing I brought with me to my dorm — it was both how I completed my assignments and my primary source of entertainment. How could it turn its back on ...more
The war on dehydration is a commercially burgeoning marketplace. An increasingly sophisticated consumer population hoping to conquer everything from 26-mile marathons to vodka shots is deconstructing every functional remedy in the fight to quell the effects of severe dehydrati ...more
On July 20, 1969, humans set foot on the moon for the first time. But some say our microbes beat us there. With the Space Age came new questions about microscopic invaders from outer space and concern about where we are leaving our microbial footprints. The questions are even ...more
When shopping for a new smartphone, you'll encounter comparisons and spec sheets that are filled to the brim with values like mAh, GB, and GHz. To the average consumer, however, these values are meaningless, so we end up looking at which device has the specs with the highest a ...more
If we were to assign a theme for the 2019 edition of the Next Reality 30 (NR30), it might be something along the lines of, "What have you done for me lately?" Many of the top names in the industry from the 2018 edition remain the same, but their positions have shuffled. The p ...more
Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings c ...more