How to Write Chemical Equations

What Is Scale Factor? Scale factor is the ratio of the length of the scale drawing to the corresponding length of the original object. Solving Problems We are told to find the scale factor when we are given the original and new dimension of an object. The formula for questi ...more

The oven is arguably our most essential kitchen appliance (right alongside the fridge, freezer, and yes, even the microwave). But even though we've been using them for a few millennia, many of us know so little about our ovens that our cooking or baking can feel like a roll of ...more

Hand tracking technology company Leap Motion has built a stunningly fluid augmented reality ping-pong game that not only showcases the capabilities of its open source Project North Star augmented reality headset, but also demonstrates how artificial intelligence can elevate im ...more

Facebook just ratcheted up its ongoing augmented reality war against the competition by stealing away Google's director of product for AR, Nikhil Chandhok. In his new role, the executive will serve as Facebook's director of product on the company's Camera/AR team. Over the pa ...more

When a migraine strikes, it can be crippling. Intense and sharp pain not only at the temples, but radiating throughout the entire head; feelings of nausea and digestive discontent; an unbearable aversion to light, sound, and even the smallest of movements. Instead of succumbi ...more

When we are building programs that communicate over a network, how can we keep our data private? The last thing we want is some other lousy hacker sniffing our packets, so how do we stop them? The easy answer: encryption. However, this is a very wide-ranging answer. Today we'r ...more

The company behind augmented reality's first real gaming hit, Pokémon GO, is quietly making moves toward supporting the rapidly growing smartglasses space that may one day move its content away from smartphones and tablets and onto AR lenses positioned on your face. On Friday ...more

In a LinkedIn post published on Tuesday, Microsoft's leading advocate for the HoloLens made a prediction that the mixing of immersive technologies will define augmented reality in 2018. Alex Kipman, the Technical Fellow for new device categories for Microsoft's Windows and De ...more

Caramel is delicious, but it can be a tricky flavor to incorporate into baking. Traditionally, caramel is a liquid, and that doesn't always suit dessert preparation since adding extra liquid to baked goods can ruin them. So how do you get that buttery, toffee-like flavor? Ent ...more

Switching your favorite facial cleanser isn't an easy choice. Since everyone's skin type can range from dry, to oily, to some complicated combination of both... well, let's just say that the conventional wisdom is to stick to what you know works. However, fruit—and citrus fru ...more

As a kid, I remember hearing the myth that Twinkies could last forever. The rumor was that they were made from chemical ingredients that caused the Twinkies to stay fresh and edible for years and years. Right along with the cockroach, Twinkies were supposed to be the only surv ...more

Although early attempts at consumer smartglasses have employed trackpads and handheld or wearable controllers for user input, its the gesture control interfaces of the HoloLens 2 and the Magic Leap One that represent the future of smartglasses input. A new machine learning mo ...more

Next to Apple, Snap is currently one of the most important companies on the planet in terms of delivering products that are moving augmented reality into the mainstream. That's why it's no surprise that Facebook, which is also focused on AR and tried to acquire the company for ...more

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. "One current issue with the headset is battery life and charging; th ...more

If I were to write a snickerdoodle FAQ list, the top question would undoubtedly be "Do I really need to use cream of tartar in my snickerdoodle cookies?" Don't Miss: 5 Baking Substitutions Every Home Cook Should Know I dug deep into the baking science world to find out why ...more

Not content with bringing the first untethered mixed reality headset to market, Microsoft wants to expand their Windows Holographic operating system beyond HoloLens into vastly more robust technologies. Through partnerships with other hardware manufacturers, Microsoft is hopi ...more

Hello fellow Nullbytiens, I'm Washu, a long time commenter but first time poster. Today we'll be making an IRC bot, if you haven't seen OTW's post about the new IRC channel I would encourage you to go check it out. He does a good job at explaining what IRC is and how to get se ...more

There are rules that cooking in general always follows: cakes should be fluffy. Steaks should be heavily seasoned, and nowhere near a bottle of steak sauce. Every stock should start with aromatics (onions, carrots, & celery). And, until very recently, meringues should always b ...more

NOTICE: Ciuffy will be answering questions related to my articles on my behalf as I am very busy. Hope You Have Fun !!! Hello Guys, Welcome to my tutorial and in this tutorial, We are going to talk as well as know of the possible dangers of metadata in our day to day images. ...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

We don't generally think of medicine as being very relevant to Steampunk, but it was a big part of Victorian science fiction. Notable examples that you may be familiar with would be Frankenstein and The Strange Case of Dr. Jekyll and Mr. Hyde. However, in an era in which the ...more

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. In the article, "How We Created a Virtual Cr ...more

The incidence of tuberculosis (TB) is dropping in the US, but the World Health Organization (WHO) considers it to be epidemic in the rest of the world — there were over 10 million new cases in 2016. The bacteria that causes TB, Mycobacterium tuberculosis, is rapidly becoming ...more

Bone loss and belly fat may no longer be certain fates of menopause, thanks to new research from an international team of scientists. Researcher Mone Zaidi from Icahn School of Medicine at Mount Sina and colleagues describe the discovery of an antibody that reduced fat and in ...more

Water makes up about 60% of your body weight. Whether you like it plain, flavored, bubbly, or in beverages or food, we all need water daily to avoid dehydration and stay healthy. For communities in need of clean drinking water, new research using bacteria may offer a simplifie ...more

As drug-resistant bacteria become more commonplace, researchers are looking for new antibacterial strategies to disrupt disease-causing microbes. Some scientists are working to create new drugs, while others are trying out drug combinations. Another group, however, are ditchin ...more

As sure as death and taxes, sitting at a wobbly table at one time or another is inescapable. With your weight on it, the table shifts from one end to the other, lifting one leg in the air and then the other; a parade of seesaws, especially if you have someone sitting on the ot ...more

2 + 2 = 4. That's about as much math as I can handle without a calculator on a daily basis. I literally hate doing math more than anything in life, mostly because I'm not good at it—and I hate doing things I'm not good at. So, when I come across a cool math trick online that ...more

Not that long ago I wrote an article discussing what it would be like, realistically, if you were to accidentally travel back in time to the Victorian era. At the end of that article, I mentioned that the best thing you could bring with you on a time-traveling adventure is a K ...more

A new technological movement without the technology itself is just an idea sitting and waiting. Once the technology is present in the equation, movement forward can begin. This is how many of us see the head-mounted displays (HMDs) and smartglasses that have recently entered t ...more

As the fish farming industry struggles to become more environmentally friendly, it just gained another problem. Fish food loaded with antibiotic-resistant genes. Do you like salmon? Around the world, salmon aquaculture represents about 70% of the market, according to the Worl ...more

The next time you suffer a cut or abrasion, think twice before you reach for the Neosporin. It's time, and mom, tested — you get a cut, you wash it carefully, then apply some triple-threat antimicrobial ointment. You may or may not slap on a band-aid. We won't cover it here, ...more

Bed bugs are parasites not yet known to spread disease — but they cause plenty of irritation. As scientists and landlords search for new ways to deal with the pests, a new study examines how we can deter bed bugs without so many chemicals. While they don't infect us with anyt ...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

We can add one more health effect of our gut bacteria to the growing list. Researchers from the UK have just reported that the gut microbiota plays a role, both directly and indirectly, on the toxicity and efficacy of chemotherapy. Their findings are published online in the j ...more

Before you bite into that beautiful tomato in your garden, the tomato fruitworm, or the Colorado potato beetle, might have beat you to it. At the annual meeting of the American Association for the Advancement of Science (AAAS), researchers explained how microbes inside the gu ...more

Smartphones have been a hot button issue around school campuses for several years now—some schools allow them, others confiscate them on sight. But the fact of the matter is, when used correctly, a smartphone can be just as much of a learning tool as a textbook or school-issue ...more

Cold brewing tea and coffee are all the rage, and for good reason: they're idiot-proof. I, personally, am a total dunce at brewing coffee. It either ends up strong enough to peel paint from a car or so weak that you can see through it. Meanwhile, I have friends who inevitably ...more

Ever see those cars so covered in dirt, dust, and grime that someone writes "Wash me" on it using their finger? Well, for those cars' sakes, as well as cases less extreme, a word of advice: procrastination is not a solution — it can only compound the problem. Self-cleaning car ...more

With the new year right around the corner, it's time to talk about the end of the 19th century, a time which plays an enormous role in Steampunk. If you've done any reading of British books written from about 1890 to 1899, you may have come across the phrase 'fin de siecle' an ...more

If you're getting into automation, Bash scripting is usually the way to go. However, there are a couple of limitations, and one of them is logging into another device like a Raspberry Pi and running a script automatically. To help in those situations, we're going to automate d ...more

Since launching Google Lens as a a Pixel-exclusive feature in 2017, Google has not only expanded the availability of the tool to Android and iOS, but also built upon its functionality. Now, in addition to translator, tip calculator, personal shopper, and tour guide, Google has ...more

I am an English major physically allergic to all algebraic formulas, so you're unlikely to get any help from me when it comes to solving any expressions. But in the glorious technological age we live in, there are plenty of apps that actually make math and problem solving fun, ...more

Samsung's One UI has slowly become the model for Android skins. The old iOS-like TouchWiz already feels like a relic, thanks in part to the newer user interface's exceptional design and fast but meaningful updates. One UI is so good, other OEM skins have copied elements of it. ...more

Mystery is a tricky thing. Used correctly, it can give onlookers the impression that wondrous and perhaps valuable things are afoot. However, once the veil of suspension of disbelief is removed in any significant way, that same mystery can quickly turn into not just skepticism ...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

Despite legends to the contrary, it appears that the saliva of a Komodo dragon is not teeming with pathogenic bacteria that kills their prey. Its reputation to survive while colonized with lots of horrible disease-causing bacteria, true or untrue, has made it the subject of re ...more

As was mentioned by the great OTW last week, TOR, aka The Onion Router, has had its integrity attacked by the NSA. In an attempt to reduce the anonymity granted by the service, the NSA has opened a great many nodes of their own. The purpose is presumably to trace the origin of ...more

Getting hot and steamy can be awesome, as illustrated in the 1997 smash hit Titanic. But having the bathroom mirrors fog up during a nice hot shower can be very annoying. Getting ready in the morning can already be rushed, and wiping down your mirrors after your shower wastes ...more

You've decided you want to lose weight or build lean muscle. That's great! Now grab your smartphone. It's a valuable asset that can help you achieve your physical fitness goals, whether to improve your health or enhance your appearance, and I'm going to show you how. Numerous ...more

Using a strong password is critical to the security of your online accounts. However, according to Dashlane, US users hold an average of 130 different accounts. Memorizing strong passwords for that many accounts is impractical. Fortunately, password managers solve the problem. ...more