In a previous video by NurdRage, he showed you how to make manganese sulfate ("How to make MnSO4 from MNO2 (two separate ways)"), but there can be situations where the iron in the precursor would carry over and contaminate the product. Recrystallization doesn't work for this high level of contamination, so a different approach is needed.
In this tutorial series Mike Lively shows how to convert Wordpress into the Adobe Flex 3 application Flexpress.
In this home scientist video the instructor Robert Bruce talks about cheap sulfuric acid. He says that sulfuric acid is very important in any lab both as a reagent and a precursor for preparing other chemicals. He points to the battery acid saying that it is a good source of sulfuric acid which is 35% concentrated. Now he shows various methods to obtained sulfuric acid and shows how to test one of the thus obtained sulfuric acid for its concentration. In this video the author talks about sulf...
YouTube user s2pandapple shows viewers and subscribers how to self French braid. Before beginning with simple step by step instructions, s2pandapple provides personal tips on simplifying the braid process. Using down to earth terminology, s2pandapple proceeds to verbally instruct viewers on the process of French braiding while performing the tasks and providing viewers with multiple angles of the braiding procedure. While this tutorial is mainly a precursor to s2pandapple's instructional vide...
We've become accustomed to new models of learning over the past generation. What once required classrooms and chalkboards now only needs a laptop and an internet connection. At this moment, with much of the population staying inside, eLearning has never been more necessary than now.
Voice-activated digital assistants from Amazon, Apple, and Google currently have the upper hand for home automation integrations, but a new augmented reality mobile app promises to give homeowners and renters visual control over their connected appliances.
Update: April 24, 2014 Looks the the one day availability was a precursor to a wider launch, as now anyone can buy a pair of the Glass Explorer Edition without needing an invite. Check out Google's Glass Shop for some easy ordering, still with the $1500 price tag.
Alongside the usual collection of holiday-themed Lenses, Snapchatters received an extra-special treat from Snapchat over the weekend—a world-spanning Easter egg hunt.
Apple gave us the ability to invert colors on the screen a very long time ago. Then they gave us grayscale mode in iOS 8, Night Shift in iOS 9, and the red screen filter in iOS 10. While the long-awaited "Dark Mode" finally appeared in iOS 13, iOS 11 and iOS 12 both have a decent placeholder for it you can use on your iPhone.
One of the scariest things about the COVID-19 virus is that you can show no symptoms but still be infected (and contagious). Naturally, we all want to know whether we're carrying the new coronavirus, but if you're showing signs of COVID-19, how can you be tested to know for sure? Websites are popping up to help with that, screening for symptoms, and directing you to a testing site if needed.
Coming into this year's Consumer Electronics Show (CES), the common sentiment among observers was that this was expected to be the big year for augmented reality.
The next-generation Audi A8 to launch in July is expected to be the world's first Level 3-capable production car to go on sale in retail channels.
Many people deal with motion sickness on a daily basis, and if you're reading this, chances are you're one of them. Kinetosis can make your stomach roll, your entire body sweat, and make you feel fatigued and dizzy at even the slightest movement, whether it's related to carsickness, seasickness, or airsickness. And let's not forget the worst part—vomiting.
From time immemorial, human beings seem to be at odds with one another. When these differences become so heated and unresolvable, it eventually erodes into physical violence. This violence has manifested into some of the most horrific exercises in human history, things which every school child is aware of and none of which we have to recount here. Although humans have been cruel and violent for a very long time, the 20th century may have epitomized that behavior. With two World Wars and many,...
When filtered through the prism of the top stories of the year, the business of augmented reality 2019 was defined as much by epic failures of AR startups as it was by the promising developments that propelled the industry forward into 2020.
These days, it seems new phones get announced every other week. We've grown accustomed to glossing over the specs, looking at some press renders, then moving on to check out the next phone. If you had done this in September 2008, you might have overlooked what would become one of the most important phones of all time.
Back in 2010, iOS developer Daniel Amitay developed a camera security app for iPhones that used an unlock screen almost identical to that of the iPhone.
You can almost detect the collective breath-holding of the augmented reality industry as it waits for Apple's inevitable entry. A new Apple wearable built with augmented reality technology is likely the device that will finally make the smartphone take a backseat.
When it comes to the ever-shifting sands of the augmented reality space, you never know which week will end up being truly historic. Well, this one was one for the history books.
Ever since Facebook announced its partnership with Luxxotica brand Ray-Ban to produce smartglasses, the augmented reality space has been on high alert awaiting more details.
Whether you miss the good old days of Telnet or you want to know what hacking was like when security was nothing but an afterthought, Telehack is the game for you. The text-based hacking game is a simulation of a stylized combination of ARPANET and Usenet, circa 1985 to 1990, with a full multi-user universe and player interactions, including 26,600 hosts.
The year 2018 was a rough one for Snap, the company behind the Snapchat app and the Spectacles wearable camera device. From executive departures to reports of slowed user growth, the company that once spurned Facebook's multibillion-dollar advances is now facing a moment of truth as it stares down its uncertain future.
Part of the mainstreaming of augmented reality is learning to adopt new habits around the hardware delivering these groundbreaking next-gen interface experiences.
There's always an iPhone in our list of top phones for privacy and security, due in large part to advanced security measures like Face ID, consistent iOS updates, and easy ways to prevent unwanted access and excessive data sharing. However, some of those options actually do the opposite and hinder security. It all depends on how you use your iPhone, but you should at least know everything available.
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.
Stuffed clams are an awesome appetizer for parties and get-togethers, and these stuffed clams are even better! This video recipe will show you how to make what's called "clams casino". When you taste them, you'll understand why it's called what it's called.
Vintage Projects offers 100+ free plans for building all sorts of fun DIY projects spanning musical instruments, archery, boats, motorbikes, go carts, science experiments, telescopes, tractors, radios, and more.
Would it have been possible to build a rudimentary telegraph network in the stone age? Not too long ago, Jamie O'Sheathe of the Office for the Development of Substitute Materials set out to discover just that, venturing into the wilderness to determine whether a working telegraph might be built without the use of modern tools. Inspiring? Certainly. Green? Don't be fooled:
