The video describes the effect known as the Boomerang Scratch. The author describes the technique and shows the sheet musical note equivalent. After explaining the sheet music notation, the author shows a video of the technique being performed on a scratch deck with a cross fa ...more
This video shows you how to easily add two fractions with uncommon denominators. To add the two fractions you must translate the fractions into its higher equivalent form, with a common denominator. To find a common denominator, you must find the lowest multiple that both deno ...more
In this tutorial the author shows an easy and simple way of subtracting fractions with uncommon denominators. He says that to subtract fraction with uncommon denominator, we need to make their denominators equivalent first and after making the denominators equal, you need to i ...more
Wondering how to add fractions with uncommon denominators? It is simple to solve the denominators there are three steps to find the uncommon denominators. first step is to find the lowest common denominator and you take 3/4 + 5/6. In this lowest common denominator is 12, then ...more
In this Math Made Easy tutorial the author shows how to subtract positive and negative numbers. He says that because of the numerous combination of positive and negative numbers it adds to a lot of confusion. Now he shows a trick of how to add positive numbers to negative numb ...more
For some time now, I've been dying to make the trek to the world's largest airplane graveyard outside of Tuscon, AZ. The ultimate field trip that I never seem to get around to. Now, thanks to Google Maps, anybody can now check it out remotely: up close, high-res, beautiful. ...more
This is lesson 14 of Speaking Hindi course. We will see how to translate: To Think = Sochna To See = Dekhna To Drink = Peena E.g. of 'Think'. I think = main sochta hun He thinks = wo sochta hai She thinks = wo sochtee hai I am thinking = main soch raha hoon He is thinking = ...more
Why won't my recorded disc play in other machines? Check out this video tutorial on how finalize DVDs on Panasonic DMR-ES15 (ES25) for other players. This Panasonic DMR-ES15 (ES25) DVD Recorder is easy to operate and great to record with. To create a disc that's compatible w ...more
Why won't my recorded disc play in other machines? Check out this video tutorial on how finalize DVDs on Panasonic DMR-ES45V (ES35V) for other players. This Panasonic DMR-ES45V (ES35V) DVD Recorder is easy to operate and great to record with. To create a disc that's compatib ...more
Why won't my recorded disc play in other machines? Check out this video tutorial on how finalize DVDs on Panasonic DMR-EH55 for other players. This Panasonic DMR-EH55 DVD Recorder is easy to operate and great to record with. To create a disc that's compatible with other DVD ...more
Mixed reviews of Magic Leap One aside, it would be hard to deny that Magic Leap has had a big year. And the AR unicorn isn't coasting to the finish line, with a number of new apps dropping and prescription frames finally arriving to bring relief to those who wear eyeglasses. ...more
There's a new secret settings menu hiding in Android 9.0 Pie that offers Chrome-style "flags" to the overall operating system. Since it's currently the first Developer Preview and Public Beta versions, it's possible that this menu could disappear entirely when the stable versi ...more
Bioluminescence — the ability of an organism to produce and emit light — is nature's light show. Plants, insects, fish, and bacteria do it, and scientists understand how. Until now, though, we didn't know how fungi glow. Now, thanks to research led by Zinaida Kaskova in the I ...more
Sophisticated hackers have been exploiting vulnerabilities in Chrome and Firefox to trick even the most careful internet users into logging into fake domains for sites like Apple, Google, and Amazon. Typically, a careful internet user would always check the domain of any site ...more
Last week's challenge brought up a good question (thanks Lisa) regarding the functionality of the Official Scrabble Players Dictionary, 4th Edition, both online and in print form. The word TACTICAL was the answer to the first puzzle in that challenge, but when you search for t ...more
It is often said that the best hackers remain unknown, and the greatest attacks are left undiscovered, but it's hard for an up-and-coming penetration tester or white hat to learn anything unless one of those factors is actually known or discovered. But the end goal here in our ...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
Hydrazine sulfate has many uses, but most notably, it's been used under the trade name of Sehydrin, a treatment for anorexia, cachexia and some even think cancer. But for we DIY chemists, it's useful for something entirely different— as a substitute for the more dangerous pure ...more
Want to play Bright Eyes' "Lua" on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and m ...more
Trying to stay away from carbs but love starches? Why not try some spaghetti squash instead of all that pasta? Spaghetti squash is easy to prepare and can be garnished just like you would with pasta or potatoes. In this tutorial, learn how to make a delicious stuffed spaghett ...more
Check out this video tutorial on how to make a fiberglass mold layup for car speakers. For fresh molds you must put several layers of wax on and I would consider PVA as well if the mold is less then a week old. Always use PVA (or equivalent) on your plug surface before molding ...more
When he's not taking orbital videos of Earth's auroras, NASA Astronaut Don Pettit is experimenting with water in zero gravity. He's already shown us how water droplets can orbit around knitting needles in a microgravity environment. Now he's playing with water again, this time ...more
As you may or may not know, MegaUpload - one of the largest file sharing services has been taken down by the feds. To us - this means no more 1gb free downloads. And we move onto MediaFire and Rapidshare. - But more importantly, this means that our inherent freedom to share f ...more
Andrew Lipson builds sculptures based off of Mathematical objects using standard Lego bricks. He has built models of knots, Mobius strips, Klein bottles, Tori, Hoberman spheres (using Lego technic pieces), and recreations of M.C. Escher works. Below are a few images and brief ...more
Sitting around thinking about my average sexual performance, I wondered if there were other things in life that were also 30 seconds long. I was extremely relieved that such things were possible! These 30 second movies are the mobile text equivalent to major films or projects. ...more
On the same day that Google launched their new social network, Google +, a team of Google engineers calling themselves the Data Liberation Front announced their first service on Tuesday—Google Takeout, a product that allows users to easily move their data in and out of Google ...more
Google's sociable equivalent to the Facebook Like button is finally here, and it works very similar to your favorite social network's recommendation system, except it shows up directly in Google search results. Whenever your Google friend gives a website or webpage the +1, you ...more
When it comes to graphing and comparing functions, the TI-83 graphing calculator is the end-all device for math and science students. But one of the most entertaining aspects of Texas Instruments' powerful algebraic and trigonometric calculator is not the equations themselves, ...more
If you were to look on the roof of your local city bus, what would you find? A little bit of dirt, most likely, and a whole lot of space. Precisely the stuff you'd find in an empty container garden! Enter NYU graduate student Marco Castro Cosio's Bus Roots, a project which, th ...more
China's latest futuristic project is a massive "3D Express Coach", a clever project proposed by Shenzhen Hashi Future Parking Equipment Co. as a solution to traffic in the extremely overpopulated country. The gigantic bus will allow cars less than 2 meters high to travel unde ...more
Star Trek legend William Shatner is apparently a man of many talents. Actor, recording artist, author, and baker! Cookie Madness posts a recipe of Shatner's beloved cappuccino muffins. Remember, in the words of the Borg, Resistance is Futile! Surrender to the cupcake... yummy ...more
This tutorial is about using logical comparisons in a sentence. We should compare only equivalent concepts. Don't compare something to a group its part of without including 'other' or 'else'. Be clear about what you are comparing. The comparisons must be between apples to appl ...more
This video teaches us the method to simplify the fractions. Let us take an example of 18/24. Find a number that goes into both 18 and 24. Divide the top and bottom by the same number. Here, 2 will go into both numbers. So, the number now becomes (18/2)/(24/2) which gives 9/12. ...more
IEEE Spectrum examines the practice of cryonically freezing the dead, with the intent to "reboot" when medical advances are prepared to undo their death. Is it just a matter of time (cryonics scientists predict 100 years) or pure quackery? Here's how it works: "Before the b ...more
Don't get too excited. The answer? It's not. However, this James Bond inspired road rage mod is still prettttty awesome. Colin Furze's scooter can shoot up to 15 foot flames. Furze, a plumber, built it because he was sick of other drivers cutting him off. Via Daily Mail, "Co ...more
Another creation by Bang Goes the Theory, the "car-puccino" is a 1988 Volkswagen Scirocco powered solely by roasted coffee granules. Daily Mail reports, "The car will be driven the 210 miles between Manchester and London powered only by roasted coffee granules. It will go on ...more
This lesson describes the method to find the factors of a trinomial, which consists of three terms, by grouping. First of all, factor out the greatest common factor (GCF), and write the reduced trinomial in parentheses. Let the terms of the trinomial be written in order of exp ...more
Why sweat through a boring exercise routine when you can achieve the same results while having fun? You Will Need * Dance classes or DVDs * Space to dance at home * A partner (optional) Step 1 Sign up for Zumba, a fitness class that combines moves from salsa, samba, merengue, ...more
If you're a musician in need of some lessons, there's no better way to learn than with Music Radar's so-called "Tuition" instructions. Although the title tuition is misleading, this video class is anything but costly, because it's free, right here. Whether you're looking for h ...more
This video tutorial is for educational purposes only. See how to pick a normal lock with a tension allen wrench and a small screwdriver. "Lock picking is the act of unlocking a lock by analyzing and manipulating the components of the lock device, without the original key. Alt ...more
A rainbow table can be thought of like a dictionary, except instead of words and their definitions, it holds combinations of characters on one side and their hashed form on the other. What is a hash and why would you want to know what random combinations of characters are hash ...more
In 2013, Offensive Security released Kali Linux, a rebuild of BackTrack Linux derived from Debian. Since then, Kali has gone on to become somewhat of a standard for penetration testing. It comes preconfigured with a collection of tools accessible by a menu system, tied togethe ...more
An interesting new use-case for the Microsoft HoloLens appeared in a YouTube video from Washington-based DataMesh last month. In it, you can see the HoloLens working in conjunction with the Microsoft Surface Studio, Surface Dial, and Surface Pen for 3D model detailing and visu ...more
In response to the flurry of doubtful headlines about Magic Leap today, set off by an unflattering article from The Information, Magic Leap CEO Rony Abovitz released a short blog post quickly detailing what to expect from the company over the next year. The gist comes down to ...more
The 12.9-inch iPad Pro was released in stores on November 11, 2015, and a couple days later I went to an Apple Store and to check it out in person. I had mixed feelings about the tablet, but was intrigued overall—so much so that over the next few weeks, as I found myself heari ...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
If you're a big fan of home improvement, then you've you've probably painted a wall or item in your day. Not only can it get expensive, it's also time consuming, and very often just plain boring. Waiting for paint to dry so that you can add another coat is, well…like waiting f ...more
Using a timer to take a photo is great if you're looking for a quick workout. You have to prop up your phone, frame your shot, set the timer, and sprint to get into the frame. Then when you realize your position was a little bit off, you have to reset the timer and jump back i ...more
So, what has Arnold Schwarzenegger been up to since his role as the Governator? Besides his resurgence in Hollywood and spooking gym members as Howard Kleiner, he's getting culinary on us. In a recent episode of Epic Meal Time (the creators of the TurBaconEpic and Turbaconepi ...more
Welcome back, my hacker trainees! A score of my readers have been begging for tutorials on how to hack Wi-Fi, so with this article, I'm initiating a new series dedicated to Wi-Fi hacks. This will probably be around 6-9 articles, starting with the basics of the technologies. I ...more
Remember these? Sadly, I don't, but I'm sure someone out there does. Anyone? This monstrosity, called the Macintosh Plus, was introduced in 1986 for the low-low price of $2,599. Wait...what? Almost three grand for that bulky baby?!? With a whopping 1MB of RAM standard?!? Whoa ...more
One of the roles our government has taken on is to provide us with information to be used in making decisions. For example, the EPA stickers on the Nissan Leaf and Chevy Volt state that these electric cars can travel 93 and 99 miles per equivalent gallon. Unfortunately, the ...more
As if Samsung's Galaxy series isn't already ruling the smartphone and tablet world, they've now moved on to digital point-and-shoots with their new Samsung Galaxy Camera. The smartphone/tablet/camera hybrid comes equipped with a 16-megapixel image sensor and a touchscreen equi ...more
With some Samsung Galaxy S III owners still waiting for the Android Jelly Bean 4.1 update to hit their device, Google has wasted no time in releasing information on their next operating system update—Android Jelly Bean 4.2, which will come stock with the newer Nexus 7 and 10 t ...more
Right now, Jupiter and Venus are rising in the early morning hours just before dawn. I went outside on the morning of the 4th of July and saw Jupiter and Venus right next to each other with the Pleiades (The Seven Sisters) just above them and knew that the next morning I was g ...more
There's no doubt Kali has established itself as the most popular penetration distribution available. However, just because it's the fan favorite of beginners and security researchers doesn't make it right for everyone. Manjaro Linux is a beginner-friendly Arch-based distributi ...more
Smartphone manufacturers do their best to keep you tied down to their ecosystem, but the reality is that there's not much keeping you from switching. Transfer some files, install a few apps here and there, and all of a sudden, you're knee-deep in a new operating system. Don't ...more
A rocket stove is a "rocket" combustion approach to preparing meals, which provides high combustion efficiency and efficient heat transfer to the cooking pot. Research suggests (through practical experience) that by using a rocket stove, you could save at least 50% of fuelwood ...more
How to make TCPO or bis(2,4,6-trichlorophenyl) oxalate, used in glow stick reactions. WARNING: This procedure should only be performed by, or under the direct supervision of, an experienced chemist. Please refer to the material safety data sheets of all chemicals for their ha ...more
HOOSGOW 64 points (14 points without the bingo) Definition: a jail [n] Actually, it's slang for jail. You may not believe that slang is allowed on the Scrabble board, but it most definitely is when the word in question is used by a good majority of the people out there. Mer ...more