How To: Hydrate a video lab
This experiment is intended to introduce students to hydrated compounds. These compounds have water molecules coordinated in their chemical structures. Examples CuSO4*5H2O, BaCl2*2H2O, and NaC2H3O2*3H2O.
This experiment is intended to introduce students to hydrated compounds. These compounds have water molecules coordinated in their chemical structures. Examples CuSO4*5H2O, BaCl2*2H2O, and NaC2H3O2*3H2O.
Have you ever seen ads or a movie where the film goes on rewind, bring you back through time for whatever reason the director intended? This happens a lot in paper towel commercials, where you see a coffee stain get removed as the coffee pours itself back into a cup while the dog's footprints also disappear one by one as he gallops backwards to the front door.
Former Google and Uber engineer Anthony Levandowski's scathing accusations challenging the physics behind Tesla CEO and founder Elon Musk's claims about Autopilot should force Musk to make his case that self-drive cars don't need LiDAR in the next few months.
The rumors surrounding the next iPhone and Apple's ambitions toward augmented reality have been going on for months, and a fresh development brings back the idea of Apple's Smart Connector bringing the two together. The Verifier, an Israeli news site, claims the next suite of iPhones (iPhone 8, iPhone 7s, and 7s Plus) will all sport Smart Connectors for both AR and wireless charging.
Antibiotic use in infants has been associated with a host of childhood conditions later in life. Yet when an infection is suspected in a newborn, usually a sample of their blood is drawn to check for the presence of bacteria and 5 to 8 percent of them receive antibiotics while the diagnosis is pending.
Those of you who have been a part of the Null Byte community for even a short while know that I sincerely and firmly believe that hacking is the most important skill set of the future.
Video: . This is how I replaced the warn ball joints on my 2000 Pontiac Grand Prix GTP. This should be similar for Buick Regals from 1997-2003, Grand Prix from 1997-2008, and Chevy Monte Carlos from 2000-2007.
Opening a brand new carton of juice can be disastrous if you're not careful. The air pressure on the inside of the carton is waiting to exit, but does so in a vigorous force when opening a carton for the first time.
Video: . Steel wool fire Photography
All of my hacks up to this point have been operating system hacks. In other words, we have exploited a vulnerability usually in an operating system service (SMB, RPC, etc.) that all allow us to install a command shell or other code in the target system.
It may sound like deja vu, but neural interface startup CTRL-labs has closed a $28 million funding round led by GV, Google's funding arm, for technology that reads user's nerve signals to interpret hand gestures.
The would-be role of Snap Inc. as the first step toward mainstreaming wearable tech in the form of glasses has stalled, and now we have proof. In the company's third quarter financial results report, released on Tuesday, Snap Inc. revealed that it will lose nearly $40 million due to unsold Spectacles, the camera glasses first sold at kiosks throughout the US.
If imitation is the sincerest form of flattery, then Niantic must be blushing constantly, as numerous copies of Pokémon GO have spawned over the past year or so, seeking to capture the same success, often adding the lure of tangible prizes from brand partnerships.
Hello, fellow hackers. I'm sure we've all seen it somewhere: the undying question of "How do I hack the game so-and-so?" And the answer usually is, "Come back when you actually know how to hack!" But how does one even go about "hacking" a game? What could that even mean?
You must have read news about hackers dumping the data online, recent one was Ashely Madison. It's only the big companies' data, which gets noticed once it is out. There are many other small leaks which don't even get a mention. So this article is the first one of my series which will help you to find hacked accounts. Some of you must already know about this, but this post is intended for the new learners. This also serves as an example of my learning how a good service can be used in other w...
Watch this science video tutorial from Nurd Rage on how to make a desiccator bag for drying chemicals with Dr. Lithium.
If you have ever wondered about the functionality of slating during a film shoot, what a shooting script or line script is and how to keep a shot log, then this may be the perfect video tutorial for you, in two parts.
Build a mineral oil computer aquarium. It cools the system while giving you something to look at.
Welcome back, my rookie hackers! As hackers, we are often faced with the hurdle of cryptography and encryption. In some cases, we use it to hide our actions and messages. Many applications and protocols use encryption to maintain confidentiality and integrity of data. To be able to crack passwords and encrypted protocols such as SSL and wireless, you need to at least be familiar with the concepts and terminology of cryptography and encryption.
Today is the anniversary of George Harrison's death nine years ago in 2001, and we thought a commemorative music lesson was in order. And instead of the usual Beatles fare, we thought we'd show you something a little less known, but just as good— "Handle with Care" by the Traveling Wilburys. Many still aren't familiar with the Traveling Wilburys, despite the superstar musicians involved, but that doesn't change the fact that these guys were awesome!
This short video tutorial will outline the process of making acoustic wall panels using a simple wooden frame and rockwool insulation. These DIY broadband acoustic panels, or bass traps for treating music studio rooms, performance rooms or home theater rooms, will save you tons of money.
Enthusiastic, young David Yzhaki teaches you how to play the piano with a damper (sustain) pedal. Get to know the pedals on an upright piano. The right pedal, which is the primary focus of the video, is the sustain pedal, which creates a sustaining note when pressed. The left pedal is called the "una corda," which modifies the tone quality by softening the note when pressed. The middle pedal is called the sostenuto pedal, which enables the piano player to hold a note longer than usual. To use...
Besides being useful, mousetraps can be pretty loud, which makes them perfect for the prankster at heart. They can scare the crap out of your intended victim, but for some, giving them the heebie-jeebies can be more difficult than just a normal trap. They might not scare as easily with a short burst of sound. But they will if you add a few mods to that everyday mouse trap!
Learn how to solder wires with this video. Clean the area to be soldered, scraping the wire down to bare metal and then wiping it clean with alcohol or acetone. Use rosin-core solder for electronic applications. This solder normally comes in coils. Tin (coat with solder) the soldering tip first: Wrap one or two inches of solder around the tip while the iron is cold; set the iron to the solder's temperature range; and allow the solder to melt. Clean the tip with a sponge. Set the soldering too...
Get ready for one heck of a battle in the Shadow Arena Challenge in the Drowned Pass on the Xbox 360 game Darksiders. You need to enter the Shadow Realm and defeat four portals to free Vulgrim.
Check out Systm's calibration lesson to make your HDTV a great as it was intended. PCMag's HDTV expert, Robert Heron, teaches us top notch HDTV calibration tricks using tools anybody can afford!
Internet whores (which would be all of us by now) are quite familiar with gifs. Just like popular internet memes like LOLCats, viral gifs are short videos or slide shows sequenced together for a comical - or at least unexpected - effect.
In this video tutorial, you'll learn how to increase your Windows performance by adjusting your virtual memory settings. This tweak applies to computers running Windows Vista or XP. If you are running a lot of applications, especially large resource hogs that eat huge amount of memory, your system may become unstable or even crash.
Zooming is a great function on the iPhone, if you like that sort of thing. If you don't like the ease of zoom, or maybe you're zooming when you really don't intend to, there's a way to stop it. You don't need the zoom. So how to you get rid of the zoom feature? With 3 little fingers! Best Buy has answers. The Best Buy Mobile team explains how simple it is to disable the zoom feature on your Apple iPhone.
This is a how-to –video on using hydra 5.4 to crack FTP passwords. This video is intended for educational purpose only. It reveals the basics of hacking a FTP server using dictionary search technique. Here are the steps involved.
This video demonstrates a great way to take rust off of metal piece that are hard to clean by hand. You will need a plastic bucket, a wire hanger, and a battery charger. In the bucket mix one gallon of water and one tablespoon of washing soda. You can make washing soda in the oven by cooking baking soda at 450 degrees for one hour. Take apart all the moving objects off the metal piece you want to clean. Prep the surface by spraying some brake fluid on it and wipe it down. In the bucket hang a...
How to use quotation marks in British EnglishIn this video we are about to see how to use quotation marks in British English. This is a very useful video because most of us confuse the usage of quotations and the meaning it renders. There are two forms of quotations single and double. A single quote contains only one inverted comma and the double contains two inverted commas. A double quote is used for direct speech or actual quotations. Whenever a person says something a comma is given and t...
Toddlers generally begin to bite between 9 months and 1 year. First of all they don't intend any harm when they bite. They don't know that biting is painful. The best way to deal with it is to try and keep your body away from the baby so that he can't bite you. You should be able to anticipate when the baby is going to bite you. When breastfeeding the best way to get him to let go is to pull him into the breast so that his mouth and nose are covered and that will keep him from catching his br...
This wrap is intended to support and stabilize the ankle joint. Supplies needed include a 1 - ½'' – 2'' adhesive tape, pre-wrap, and heel and lace pads. Apply heel and lace pads at high friction areas, including the distal aspect of the Achilles tendon, and the dorsal aspect of the ankle joint. Apply under-wrap to secure them in place. It is critical that the foot remains at a ninety degree angle for this portion of the procedure. Apply an adhesive tape anchor strip at the lower leg, approxim...
In golf the grip is the key essential feature and this video shows you the most common mistakes. It is intended for a right handed golfer - left handed players should note that the opposite applies. Let your hands fall to your sides and let your fingers fall to the grip. The video shows a weak, neutral and strong grip. The strong grip shows a V shape formed by the left thumb and forefinger pointed to the right shoulder. The palm of the right hand should face the target. You should let the fin...
Follow this simple step by step video demonstrating a series of stages involved in crocheting a kids beanie cap. Prepare the tools you are going to use, which will be mainly a hook for crocheting and woolen thread. Since the beanie cap is intended for kids one should choose a nice lively color. The first step is to make sure to tighten the first stitch. Afterwards make six consecutive stitches, and then make a loop by twisting it over. Pull the string through the slipknot and pull inwards. Yo...
Looking to drop a few pounds? The grapefruit diet has worked for many. Investigate to see if this citrus-based diet – which started back in the 1930s – is the weight-loss plan for you.
Getting splinters is no fun, but making them can be if you've got the right tools and the proper technique.
Bokeh (which translates to "blur" in Japanese) is a photography technique referring to the blurred areas of a photograph. Basic bokeh photographs often have one point of focus, while the background falls away into a dreamy, blurred haze.
Aging paper is a great way incorporate learning about antiquities from the past while doing a fun hands on project in the classroom. It's easy and really adds something special to projects or even to do just for fun in your spare time.