Most of us have conducted an investigatory science project without even knowing it, or at least without knowing that's what it was called. Most science experiments performed, from elementary to high school students and all the way up to professional scientists, are investigatory projects.
A deck of cards may be a magician's best way to demonstrate his or her's sleight of hand, but for the prankster, it's the perfect way to deliver a shocking 300 volts of electricity! And that's exactly what I'm going to show you how to do today. Stuart Edge used it in his "Electric Shock Kissing Prank" to show the ladies how a man can really put the sparks in a kiss.
Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touches.
There are two options when it comes to a dent in your car — live with it, cringing each time it enters your view, or get rid of it. While the latter is obviously the best option, most of us will probably just live with dents and dings since spare money is better spent on the actual functionality of the vehicle. However, there is a way to knock out automobile dents yourself with relatively little cash in the bank.
Lurking inside your old junk microwave is an abundance of useful parts that can let you melt metal, spot weld, and make electrifying Jacob's ladders. You can even make a powerful AC arc welder, perfect for making hard-to-solve puzzles and even makeshift weapons for the zombie apocalypse.
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Welcome back , my fledgling hackers! Lately, I've been focusing more on client-side hacks. While web servers, database servers, and file servers have garnered increased protection, the client-side remains extremely vulnerable, and there is much to teach. This time, we'll look at inserting a listener (rootkit) inside a PDF file, exploiting a vulnerability in Adobe's Reader.
A few weeks ago, Facebook published a blog post called "Proposed Updates to our Governing Documents," which outlines a few changes in their policies and user voting system. These changes would essentially take away users' right to vote on future changes to Facebook's data use policy while also taking away Facebook's responsibility to alert users of those changes. If the new policy is enacted, the vote will be replaced with "a system that leads to more meaningful feedback and engagement," what...
All kinds of people pretend to be someone they're not on the internet, including scammers, people attempting to wind others up, hackers and web predators. Almost all of these people will leave bases uncovered and they're all easy to expose when you understand how to. Here are my favorite ways of finding out when somebody is lying quickly. Image Search
If you have children, then you know firsthand how many crayons parents end up buying. There is no such thing as using a crayon until it disappears. Kids use crayons until they are a nub, and then they toss the crayon aside, never to use it again.
A few days ago, Russian hacker Alexy Borodin found a way to get free in-app purchases on an iPhone or iPad. In-app purchases include things like items and power-ups for iOS games, as well as subscriptions and "premium" memberships for certain apps.
A continuation of my earlier science testing in Minecraft, I worked on a few things requested and retouched on TNT as there was suggestion of possible (and confirmed) altered circumstances.
Mmmmmm, I love calzones!!! One of my all time favorites! In this video you'll see an easy prep as he puts together a quick calzone with store bought dough and some pre-cooked chicken marinated in bbq sauce with ricotta cheese and mozarella. The end result looks fantastic!
Karen Schmidt demonstrates various tips for painting baseboards and trims with professional-looking results. Watch this video to learn how to obtain beautiful-looking, streak-free baseboards quickly and easily.
To fold an origami boat, you need only one piece of origami paper. Watch this instructional video to complete the task within minutes. While this paper boat may not be very seaworthy, it's a simple and fun project with satisfying results.
While it seems like nit-picking, there is a proper procedure for turning an RC toy car on and off. Going out of the proper order can result in accidents from runaway cars or even damage to the RC toy. Watch this video tutorial and learn how to turn an RC vehicle on and off while playing the correct way.
Here is how our Content Producer Dreah made a Pompon out of trashbags. The results are amazing. Learn how to transform plastic trashbags into cheerleading pom-poms by watching this instructional video.
Dr. Aaron Katz offers an herbal approach to prevent prostate cancer, based on the results of a study that proved Zyflamend blocked cancer from forming in men at risk.
A seed crystal is dropped into an unstable supersaturated solution of sodium acetate NaC2H3O2 and it completely crystallized in front of your eyes. This demonstration is prepared by heating 700 grams of sodium
This tutorial covers the basics of changing a subject's hair color with Photoshop CS3. The tutorial was rushed so the result is a bit off, but if you follow the principles yours should look better.
Young boy shows how to iron a shirt properly. Well spoken and instructed by the boy in this video. Watch for best results.
Middle-aged woman explains how to clip the wings of a cockatiel and other birds. Woman explains the reasons for clipping, how to clip and the advantages of clipping. Watch video for best results.
Female instructor explains how to teach your dog not to jump on guests. Ignorance is the key into making sure the dog will stop jumping. Watch video for best results.
If you're a beginner to Chinese watercolor painter then you do have to do a little research and practice before you actually let your paintbrush hit the canvas. From using the right paint to the right brush, every single thing you employ for your art matters in the ultimate creation.
Android smartphones have all sorts of connectivity chips built in, including Bluetooth, Wi-Fi, GPS, NFC, and mobile data. But what about AM or FM radio, two of the most common methods of wireless communication?
In order to make a Pandora's Box, you first need glossy paper. The paper should basically be in the shape of a square, length 15 cm one side. Then divide the paper into 5ths. Now make 5 such folds on the paper and be sure that every fold is equidistant. Similarly, turn the paper around and start folding it from the other side too, in the same fashion. By doing this you will realize the folds have resulted in equal, similar sized boxes on the paper, 25 in total.
So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis.
Want to impress your doctor? Check out this video and learn a few fancy names for common problems and soon your doc will be in awe of your smarts.
Taking this formula 9x²+y²=9 your instructor shows you how to find the solution for the variable y. Finding a second derivative is no more difficult that finding the first derivative, you only have to do the problem equation through twice. The derivative of 9x² will be 18, of y² will be 2y [this is the same as 2(y), 2 x y or 2 * y]. The problem now goes -18x + 2y dy/dx=0. This equation is solved for dy/dx making the next step in the problem go -18x 18x+2y dy/dx=0-18x, 2y dy/dx= -18x. The next...
The video shows us how to cook a delicious beef steak. First, preheat the frying pan on a highly seasoned surface with a bit of salt. Then, sear the meat at high temperature. Doing this helps in lock the juices. If you are using a marinated cut of steak, searing will also improve flavor by caramelizing the meat a golden brown. After the searing is done, reduce the temperature from high to medium/low. In this video, cooking will be done at medium, until slightly pink inside, fully cooked and w...
Betty shows you how to prepare a hearty but healthy grilled chicken sandwich. Watch as she breaks down a really simple recipe.
Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast. Search Systm on WonderHowTo for more DIY episodes from this Revision3 show.
Thanks to modern "smart phones" and the internet, media by the people, for the people is finally a reality. Here's how to use your phone to be a mobile journalist.
Getting a tattoo will never be a walk in the park, but it can be less painful if you take a few simple precautions.
Step 1 Launch the Adobe Flash program and select “Flash File (Actionscript 3.0)” under the “Create New” menu. Change the workspace layout to “Essentials” by clicking on the drop-down menu in the upper left of the top menu bar.
Step 1 In the Adobe Flash program, select “Flash File (Actionscript 3.0)” from the “Create New” menu. Switch the workspace layout by clicking on the dropdown menu in the upper left of the top menu bar, and selecting “Designer.” You can adjust the size and color of the document by adjusting the settings in the Properties panel.
To grow beautiful flowers and plants in an outdoor garden, you need to feed your soil the right plant food – a fertilizer that will help your plants thrive. Watch this video to learn how to choose plant fertilizer.
Watch this video tutorial to learn how to calculate your carbon footprint. A carbon footprint is an equation that estimates just how much you, personally, are contributing to global warming—and all you have to do is plug some info into an online calculator. Figuring out how to make your footprint smaller, of course, is another matter.
Getting a good break in life is always nice. But when you're playing pool, it's essential. You Will Need
