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. Watch ...more
Want to find the value of a t-statistic confidence interval for a small sample? This clip's your ticket. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet ...more
Dr. Keith Johnson shows how to correctly sample a large round bale for forage analysis Learn how to determine the nutritional content of the livestock feed to make sure that the dietetic needs of the farm animals being fed are being met.
This pattern with flower motifs looks very good! Maybe this tutorial is not for beginners, but you can use it for different types of goals, for example: Bags and Handbags, purses, tablecloths, coasters, clothing, wallets, phone bags and phone cases etc.. Video: . See more patt ...more
Learn how to build small sample size confidence intervals using t-distributions. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever ...more
See how to use the loop function on a CDJ CD turntable. While DJing might appear simple to the untrained eye, truly mastering the turntables requires as much time and dedication as mastering any other instrument. Fortunately, the internet is awash in free video DJing lessons l ...more
You can use this pattern for different types of goals, for example: Clothing, handbags, tablecloths, coasters etc ... Video: . Source: http://www.youtube.com/user/MacrameSchool
Kai Shu is the most modern type of Chinese calligraphy. This video demonstrates how to draw some simple, unrelated characters with style, grace, and a brush. It goes on to show some more printed examples of this type of calligraphy. Work slowly, practice, and you can master th ...more
Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how to sample your voice on a DJM-400 mixer ...more
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next ...more
Learn how to take sound samples from any video or application on your computer.
You know I am so not ready for Halloween at all. No way summer is no where near over for me. I haven't even been camping yet. Summer always seems to fly by for me as it is the busiest time of year with craft shows and lots of visitors to our area. This year though at the fall ...more
In order to accurately test a soil sample for fertility, the first thing that you will have to do is find soil that is representative of the entire area. Also, don't test the soil near a fence. The sample shouldn't be deeper than 6". Scoop up some soil samples. You can use a t ...more
Besides obvious features like a touchscreen and biometric sensors, the modern smartphone comes with an array of state-of-the-art hardware in the form of various sensors that help your device sense the environment around it. And if you have a Samsung handset, chances are, you h ...more
French fries, like mashed or roast potatoes, are the type O blood of the food world—they're compatible with just about everybody. That's why it's so sad to bring home leftover frites (that's French for French fries) and have to toss them out the next day because they don't tas ...more
Finding an instrumental or karaoke version of a song can be pretty easy unless you're dealing with a song that isn't popular. That leaves you with just the full version of the song, complete with vocals. So how do you convert it into an instrumental or karaoke track? Accompan ...more
Welcome back, my tenderfoot hackers! Not too long ago, I showed how to find various online devices using Shodan. As you remember, Shodan is a different type of search engine. Instead of indexing the content of websites, it pulls the banner of web servers on all types of onlin ...more
Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more
Phone numbers often contain clues to the owner's identity and can bring up a lot of data during an OSINT investigation. Starting with a phone number, we can search through a large number of online databases with only a few clicks to discover information about a phone number. I ...more
Glow sticks, a popular favor at parties and outdoor events, and a must-have on Halloween, can be traced back to the United States Navy in the mid-1960s. The military desired improved visibility during night operations, and glow sticks, with their small-size portability and lac ...more
In this article, I will be showing you how to make a crude form of aspirin from the bark of a willow tree. It is a great remedy for headaches, hangovers, and other minor pain. The use of the willow tree as a mild pain reliever goes back to the Native Americans, who used it in ...more
Parental involvement is a crucial ingredient in the success of many children. Teachers know the saying all too well that it takes more than a village to raise a child, for one - it takes parental involvement. Thus, it is important for teachers to reach out to parents in that f ...more
With Adobe Photoshop on your computer, it's super easy to change or adjust the skin tone of somebody in a digital photo. The process uses some basic selection and color adjustment tools, and it's a fun way to make a friend's face nauseously green or lessen the effects of overl ...more
Whether I'm in my car or making dinner, I always have music playing. And since I don't like to keep my headphones on me at all times, I end up using my Android's built-in speakers a good portion of the time. Companies like HTC know how much people use their phone's speakers, ...more
For over 20 years, a tiny but mighty tool has been used by hackers for a wide range of activities. Although well known in hacking circles, Netcat is virtually unknown outside. It's so simple, powerful, and useful that many people within the IT community refer to it as the "Swi ...more
JavaScript is one of the most common languages used on the web. It can automate and animate website components, manage website content, and carry out many other useful functions from within a webpage. The scripting language also has many functions which can be used for malicio ...more
When researching a person using open source intelligence, the goal is to find clues that tie information about a target into a bigger picture. Screen names are perfect for this because they are unique and link data together, as people often reuse them in accounts across the in ...more
Pie lollipops. The perfect snack. Forget settling on one slice, with the pie pop you can sample multiple flavors. Luxirare posted a beautifully photographed (somewhat) tutorial on how to make your own. Premade fillings, jarred like jam, enable you to make a wide variety in one ...more
The iPhone X is one of the most beautiful phones ever made, but the aesthetics stop just short of perfect due to one thing: That notch. It was a necessary evil since Apple had to incorporate a front-facing camera somewhere, plus it houses all the sensors for Face ID, but that ...more
Even though I am not cool enough to use Instagram on a daily basis, I still try to stay in the loop. I did take photography in high school, so I know a thing or two about picture taking. I just can't seem to find the motivation to take a picture of random crap during my daily ...more
The Calculator app is probably one of Apple's most-used iPhone apps, yet I always meet people who don't know all the little tricks there are to using it more efficiently. You may know most of them, but there's a chance you don't or at least forget about some of them. What a " ...more
Why a PDF Portfolio? If you've been wanting to create a PDF (portable document format) portfolio for your photos, art or design work, or wanted to create a PDF magazine that can be read by anyone on the net, then this article will show you how to go about it. I created my PD ...more
Drawing blood is only responsibility for hospital nurses, but a very important one, so knowing the proper procedure is up to you to master. You can only become efficient at taking blood samples by practicing, but you should also know all of the phlebotomy methods for extractin ...more
When it comes to antivirus software, you don't want some fly-by-night developer having access to the sensitive data that these apps can scan. Luckily, most of the longest-tenured antivirus companies from the realm of desktop computers offer complete security suites for Android ...more
The Galaxy S5 may be the new kid on the block, with fancy features such as a fingerprint scanner and dust/water protection, but the Galaxy S4 is no slouch by any means. While the S5 may be newer, the S4 remains beast of a device, and few simple mods can make it feel new again. ...more
The battery icon in your iPhone's status bar gives you a visual idea of how much power is left, and there's a battery percentage option you can switch to or view in the Control Center, depending on your model. But what you may not know is that there's a way to view the battery ...more
Most Android devices allow you to simply replace a ZIP file in your /system/media folder if you want to change your boot animation. Unfortunately, though, this isn't the case for the Galaxy S5, as it's been buried deep in Samsung's TouchWiz skin. Previously, the process of ch ...more
In the music world, it's safe to say electric instruments are more versatile, but they lack the portability of their acoustic counterparts. However, with the aid of your smartphone plus an audio interface, you can play your electric instrument anywhere — with all the pedal eff ...more
Anyone who has rooted their Android device has likely used a tool called Android Debug Bridge, better known as ADB, at some point during the process. For most, that is their only interaction with the ADB, but to be a true Android power user, you need to really know the tools a ...more
Apple's latest big software update includes an entirely new Apple app, a controversial change in the TV app, better Siri control, an improved Shortcuts app, interesting Safari upgrades, Apple Music Sing, and more. Keep reading to see what iOS 16.2 has to offer your iPhone. Th ...more
Bottled water is a rip-off. Not only is it pretty much the same stuff that comes out of your tap for free, but plastic bottles are rarely recycled and thus account for a huge amount of the waste that's overflowing our landfills. Next Up: Water Bottles You Can Eat Fortunately, ...more
This two-part series (second part here) will teach you literally everything you need to know in order to make pretty much anything out of leather. There are some advanced techniques that I don't cover in this guide, but these are the basics. With these skills, you'll be able ...more
Installing a T Mold Transition Between Laminate and Ceramic Tile There are several different types of laminate transitions that you may need when installing laminate flooring. Each one is used specifically for where the laminate flooring ends, such as where the laminate stops ...more
By now, everybody knows that overcharging a battery will reduce its overall life span. This is why many smartphone manufacturers recommend that you charge your device to 100%, then unplug it immediately. Some even go so far as to automatically stop charging when the device is ...more
Jezebel has compiled 8 user-posed questions that address not just the hair-down-there, but any and all shaving and waxing concerns. How do I avoid ingrown hairs? How can I remove lip/chin/facial hair without causing blemishes or scarring? How can I get my legs to stay smooth ...more
Adobe Audition, Audacity, and other audio editing software have tools to isolate vocals and instruments in regular songs so that you can get an instrumental track for karaoke, vocals for an a capella version, or solo drums, bass, keys, etc. that you can use to learn the song y ...more
On April 7, 2017, residents in Dallas, Texas, woke to the sound of emergency sirens blaring all over the city. No one could shut them off, and after repeated efforts to contain the situation, the city had to shut down the entire system. While the media reported a sophisticated ...more
If you have a modern iPhone, you have an excellent video recorder at your disposal. Every iPhone since the 6S has the ability to shoot in 4K resolution, and each new iteration has brought new capabilities to the table. But even the best mobile shooter can use a little extra he ...more
One booze hack that's been making the rounds for years is that inserting a spoon by the handle in a champagne bottle's neck will preserve its carbonation. This is one of those tips that I wish were true. Champagne is a great thing to have around on a special occasion, and it s ...more
It's been a while when the major web browsers first introduced HTTP Strict Transport Security, which made it more difficult to carry Man In The Middle (MITM) attacks (except IE, as always, which will support HSTS since Windows 10, surprised?). SSLStrip and the HSTS Chronicles ...more
Installing Laminate Flooring on Stairs Laminate flooring can be installed on a flight of stairs, and this process can also be used when installing laminate on a floor and having to drop down a step to a sunken room. I will describe how to prepare and install laminate floorin ...more
While photography usually gets all the love, our phones have gotten really good at capturing video. Think about it — when was the last time you needed a camcorder for a vacation? With mobile cameras getting better each year, we're now at a point where smartphones can be used f ...more
Did you know Kali 1.0.8? You probably did, and you probably know about the EFI boot option that has been added. That's a very interesting new feature because it allows Kali to be easily booted on Mac too, and every EFI-supported device. First three preview lines gone? As alw ...more
Fortnite's long awaited arrival on Android has ramped up excitement among gamers who are installing the beta version in astounding numbers. With so many midrange and budget devices running Android, however, it's important to stay on top of your device's performance to ensure s ...more
This tutorial will show you how to take something simple like brown paper bags and curl you hair with them. 1) Start off with damp hair, not wet hair because that will soak the paper leaving it useless. 2) Get a few paper brown bags ready. 3) Take your paper bags and strip ...more
Hashes are commonly used to store sensitive information like credentials to avoid storing them in plaintext. With tools like Hashcat, it's possible to crack these hashes, but only if we know the algorithm used to generate the hash. Using a tool called hash-identifier, we can e ...more
Many people don't realize much better audio can sound on their phones. While it's solid to begin with, Samsung has included several options in the Galaxy Note 10+ that will upgrade your listening experience to profound status. While sound quality is somewhat subjective, there ...more
Relax, it's not as messy as it sounds. Pee-on-a-stick, at home STD tests may be available in UK pharmacies soon, complete with an incredibly convenient app that would save you a trip to the clinic. It works like this: if you suspect you may have an STD, you would pee on a devi ...more
The status bar is where we get all of the important need-to-know information for our phones. At a quick glance, you can see what time it is on your Samsung Galaxy S3, how much battery power you have remaining, your current signal strength, and more. But after a while, things c ...more
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 i ...more