Teach your students about centripetal force with this science video tutorial. It will show you how to use some masking tape and a ball to demonstrate how centripetal force works. Centripetal force is a force that acts on a body moving in a circular path and that is directed t ...more
With this cool little how-to, learn about Newton's laws of motion and try first hand to see centripetal force in action. You'll need balloons and a coin and a lug nut. Learning about Newton's Laws of Motion is anything but boring. Grab a clear balloon and a penny and learn ab ...more
Put a Ruler Under Pressure. Mad Scientist Jack Martin will show you how to perform this simple experiment to demonstrate the force of air pressure. Demonstrate the force of air pressure. Click through to watch this video on videojug.com
Wikipedia's definition of dice stacking: "Dice stacking is a performance art, akin to juggling or sleight-of-hand, in which the performer scoops dice off a flat surface with a dice cup and then sets the cup down while moving it in a pattern that stacks the dice into a vertica ...more
This video starts off with a neat optical illusion that he uses to demonstrate the effectiveness of force card tricks. He shows a piece of paper with "Paris in the the spring" written on it, most people's mind will skip over the second "the" and will read it, "Paris in the spr ...more
Newtons proposed the concept of inertia. According to him an object at rest tends to stay at test and an object in motion tends to continue in motions unless acted up on by an external force. This is the principle of inertia. The tendency of the body to continue to stay as it ...more
Hacker's are always looking for new ways to exploit systems and exfiltrate passwords, even in hashed form. Sophisticated brute-force attacks powered by high-end GPUs can perform millions of password attempts per second. But Ubuntu and Debian users aren't completely helpless. T ...more
People who know that I am a professional hacker often ask me what they can do to make their computers and personal information safe from people like me. The answer, of course, is that nothing will make you completely safe, but there are a number of measures any computer user c ...more
Router gateways are responsible for protecting every aspect of a network's configuration. With unfettered access to these privileged configurations, an attacker on a compromised Wi-Fi network can perform a wide variety of advanced attacks. Brute-Forcing Router Logins with Pat ...more
NASA -- the National Aeronautics and Space Administration, the United States government's most infamous agency, the powerhouse of space exploration -- teaches you the basics of Isaac Newton's Laws of Motion. Who better to learn motion theory from than NASA? This NASA video se ...more
While most paddles are multi-purpose, the Finis freestyler paddles, demonstrated in this how-to video, only work with, well, freestyle. While it's annoying to lug around that much equipment in your swim gear bag, unique equipment forces you to focus on one specific thing at a ...more
Watch as Novastar and Gundamaniac demonstrate detailed wiring for a crystal focus board for Star Wars Lightsabers! Making your very own Jedi Light Saber may be a daunting task if you don't know what you're doing, but this four-part video tutorial will save the day from evil fo ...more
The second law of motion. Force equals mass times acceleration. F=MA. Learn the facts about Newton's second law of motion from the National Aeronautics and Space Administration, otherwise known as NASA. The United States government's most infamous agencyand the powerhouse of s ...more
Most swimmers love paddle-training for the power they provide and the way they feel. Anything that makes the swimmer focus on what their arms are doing is a good thing. PT paddles, as demonstrated in this how-to video, take away power from the hands though, and force the swimm ...more
This instructional video series is on how to build any type of 2/5th (40%) scale, fully functional tank. The specific model demonstrated is the M60 Patton. An MBT. A destructive force. If you have any questions about your backyard tank build, please address them to "Dave's Tan ...more
In this video, This Old House General Contractor Tom Silva demonstrates how to repair a basement wall leak around a drainpipe. Steps: 1 Spread drop cloth on floor in work area. 2 Use sledgehammer and cold chisel to chip away mortar from around the drainpipe. 3 Remove any woo ...more
An expert on card tricks demonstrates this trick. Fan out the cards on the table and ask a spectator to pick a card, and then put that card in the center. He explains that he forced that card by demonstrating to the spectator that he should pull a card out, and actually taking ...more
This short video clip shows seven demonstrations of Isaac Newton’s first law of motion– the law of inertia. Newton’s law of inertia states that objects moving at constant velocity will continue moving at constant velocity, unless acted upon by an outside unbalanced force. Six ...more
This week Brandon demonstrates how to perform a few special effects that can improve the visual dynamics of your videos. He explains special effects such as projector feedback loop, levitation camera trick, "use the force" trick.
This video is a demonstration of a number of basic magic tricks: how to melt a coin through a table, the flip trick, the pass, the French drop and a number of card tricks. Techniques demonstrated include lapping, card control, card force, the move and more! Perform some beginn ...more
Be prepared next time you go out by having a great new bar trick to entertain your friends. The bar is a perfect place to perform this trick because you'll have everything your need which is simply bottles and money. Also known as the “Trapped Bill Bar Trick,” this simple, no ...more
Sometimes science looks like magic and that's exactly what Ryan Oakes is going to demonstrate with this cool trick. You will need pepper, bowl of water and liquid soap. Sometimes we use materials that require adult supervision... like scissors, so make sure you have friends an ...more
TrollForHire demonstrates how to remove eyes from an American Girl doll. To remove eyes from an American Girl doll, first you must remove the head from the doll body. It would also help if you prepare the head by removing the hair. Once the doll head is bald, stick your thumb ...more
Six pack abs are possible, if you put in the time and work. This instructional video demonstrates simple exercises you can do to sculpt your abs. Rememeber, abs don't just happen over night, but stick to it. Llittle can compare with the satisfaction of looking down at your own ...more
In this video tutorial the instructor demonstrates resonant frequency. In this video the instructor shows the sound of resonance and how to generate it. Resonance is a forced vibration of energy into molecules of an object that makes those molecules vibrate at their resonant f ...more
In this video, harrymedan offers a do-it-yourself remedy to fix an iPod that has the "sad face" warning screen on it. As you follow along, he explains all the tools and supplies you will need to get started on this project. He demonstrates how to force the iPod into disk mode, ...more
Today we learn how to throw a punch. The exact punch we learn is the uppercut. We are demonstrated the punch on a punching bag. The start of a punch is always keeping your arms in close to your body. The power of your punch doesn't come from your arms but mostly from your legs ...more
In this video the tutors explain about the concepts of Circular Velocity and Acceleration. She explains the concepts using a real world small experiments. She shows that the equation to calculate circular velocity is v = (2 * Pi * r) / T, where r is the radius of the circle th ...more
Are you into parkour? This video will show you how to do one of the many tricks that are used by athletes - the front flip. Demonstrated via stick figure drawings, you are shown how to get speed and rotate properly. This type of trick can be used with freerunning, but be sure ...more
Birds don't generally wear collars, but to give a bird an identity tag, leg bands can be used. This video demonstrates the way to put leg bands on baby pigeons. This is usually done between 5-7 days of age. When pulling the back toe through, make sure not to force it if the li ...more
In this series of educational videos you'll learn how to perform a science experiment using everyday household items that demonstrates Bernoulli's theorem. Expert science instructor Scott Thompson shows you how to use a plastic bottle, ping pong ball, shop vacuum and a golf ba ...more
I loved The Amazing Adventures of Kavalier and Clay for so many reasons. For its fantastical sense of adventure, set against the real world action and tragedy of the Jews in Europe during World War Two. I loved the opening chapters of Josef in Prague – a city I spent several m ...more
Cinemagraphs are those incredible video-photo-mashups that isolate movement in a moving frame. Don't know what I'm talking about? Then check out these fantastic examples on If We Don't Remember Me. Creating these 'living movie stills' can be a time consuming process, as this ...more
Lockpicking is a skill that takes years upon years to master. Locks come in all sorts of shapes and sizes, but have common ground in how they work. Most cylinder locks have "tumblers," which are metallic cylindrical objects that sit vertically to the actual locking mechanism. ...more
If you already have the skills for amateur beekeeping, as outlined in Mary Reilly's previous video, then it's time to start harvesting the honey from those honeybees. Mary shows the fruits of her busy hive and demonstrates honey extraction techniques. Mary and Kelsey Clark sui ...more
Tornados are a force of nature, and very fun to draw. This tutorial from the fine folks at Drawing Now demonstrates how to draw a tornado surrounded by flying cars and trees. Here are their step-by-step instructions: 1. First step you should do is draw 3 curve lines as the to ...more
This video demonstrates how to throw a simple clay pot: a flattened salt holder. In order to throw this simple clay pottery piece, you will need: clay, a pottery wheel, and water. Begin by placing a small amount of clay on a wheel. While it is spinning moisten the clay. Force ...more
While the concepts of molecule interaction, zero force and energy states might be a little beyond an elementary school science fair's scope, the basic idea of water's capabilities and naturally prepared access to animals and insects that rely on it as a habitat is certainly wo ...more
In 2007, Nintendo introduced the world to motion control video games with the Wii. Microsoft and Sony built on Nintendo's phenomenal success and released their own motion control products for the XBox 360 and Playstation 3 late in 2010: the Kinect and the Move. The Move is bas ...more
Some interesting news this week, from Obama's new political ad, to the $20,000 payments by Cardinal Dolan. Take a look: Cardinal Dolan Quiet on $20K Payments to Pedophile Priests Cardinal Timothy Dolan of the archdiocese of New York is keeping quiet today after his old dioce ...more
Video games and art have somewhat of a sticky relationship. Many video games have large teams of talented artists doing amazingly creative work, and yet the art community is only just beginning to utilize video games as art (sometimes). Perhaps if video games were shown not ju ...more
LIFE magazine has posted a gallery of bizarrely wonderful old school scientific models. Don't miss the giant fetus or massive colon (double ew). Behold, science education before computers ruled our world. A girl scout leans in to take a closer look at an enclosed model of the ...more
I'm starting a series on the top astronomers, with probably about eleven astronomers that I will be covering overall. So, let's start out from the top, with the top most important astronomer. In my opinion, Galileo Galilei is the top astronomer. Galileo Galilei (February 15, ...more
Not every DIY project is as executable as, say, making a potato gun. Occasionally, we observe a quixotic project that is just plain wonderful. Consider rich guy Philip Anschutz and his eponymous Anschutz Entertainment Group (AEG). His ambition to bring an NFL team to Los Angel ...more
What is Indirect Care? Does it affect the CNA's exam result? Indirect Care entails your behavior in terms of how you communicate with the resident, valuing residents' rights and residents' safety and security. Indirect Care is absolutely important because: (1) it is a graded p ...more
There is an abstinence game being created by the University of Central Florida with $400k+ of taxpayer money. The game is directed at middle school girls to help them handle and cope with sexual advances. From the article: Fox News Orlando reports that the University of Cent ...more
Beauty and The Beast The Japanese word yugen connotes the sense of subtlety as it relates to beauty. According to Donn Draeger, author of many books and articles on the history of Budo, the definition of yugen includes such ideas as “suggestiveness,” “charm,” and “dynamic sti ...more
Ok, so you've memorized the list of valid 2-letter words, but when challenged after playing one, can you smugly demonstrate your dominating intellect by spouting out the proper definition? If you're anything like me, chances are you'll find yourself babbling something defensi ...more
Much of the press around the launch of Google+ has pitted it squarely against Facebook. This was highlighted painfully for Facebook with their (misguidedly dubbed) "awesome" announcements yesterday. Their launch of a new design, video calling, and group chat might have been ex ...more
Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! Hello, it's iDwarf again! Last week's redstone trap competition was a HUGE success. We had at least 30 entries! But before we get to showing off the winners ...more
Tomorrow's the 1st of April which means it's the one day of the year you can put aside the daily grind, and go at it Dwight Schrute and Jim Halpert style. Yes, there are easy apps to do your dirty work, but if you're old school and you like to do it the old fashioned way, here ...more
Little boy demonstrate simple steps on how to gleek in three easy steps. As viewed on the video, the boy mention the use of a yellow string to help in his demonstration- First is to touch the tip of the tongue at the bottom of the mouth where the yellow string is placed- Touch ...more
This video demonstrates how to do a lateral raise with a theraband. This exercise primarily works the shoulders and secondarily the trapezius. You must resist the therabands force and always use slow controlled movements. Do a lateral raise with a theraband. Click through to w ...more
This video shows various experiments with circular motion. In Dr. Carlson's Science theater he uses water, a lit candle, and a piece of paper to show the ways that circular motion causes gravitational pull. The water in a glass doesn't spill as it is spun around 360 degrees in ...more
This entertaining video demonstrates how to make a bottle rocket using tape, paper napkins, Mentos, and Diet Coke or Coke Zero. Try at your own risk! Make a pouch with the paper napkin. Put the Mentos in the pouch and roll the napkin with the Mentos into a tube shape. Open the ...more
In this online video series learn how to install electric garage doors from licensed engineer and licensed home inspector Drew Finn as he demonstrates electrical garage door installation including: mounting the door bracket, attaching the rail to the head, installing the drive ...more
University of Tokyo and MIT join forces to create a high speed, three fingered, robot pitcher. From Pink Tentacle: "To demonstrate the latest advances in high-speed industrial robot technology, researchers at the University of Tokyo have pitted a baseball-pitching robotic arm ...more
As exciting as it can be to crack open a beer, there's nothing fun about wandering around a party and asking other partygoers for a bottle opener. Don't worry, we've got you covered: here are 10 crazy ways to get to drinking while impressing your friends with your ingenuity. ...more
Welcome back, my nascent hackers! Like anything in life, there are multiple ways of getting a hack done. In fact, good hackers usually have many tricks up their sleeve to hack into a system. If they didn't, they would not usually be successful. No hack works on every system a ...more
We already know that major players like Magic Leap have been planting the seeds of augmented reality for mainstream consumers through wireless partnerships with AT&T, NTT Docomo, SK Telecom. But now, one of India's leading telecom companies has joined forces with a much lesse ...more