Every day we pass bridges, whether it's a foot bridge, a highway overpass, a span over water, or a viaduct over a valley. We pass on these structures without even thinking of the engineering genius that went into their design and construction, let alone the science behind thei ...more
Build this ultra-simple AC electric generator from magnets, wire, and cardboard. (And a big nail!) Light a small lightbulb, or flash a red LED. This demonstrates how generators work. Now if you want a more useful device, use a small DC motor as a generator, since it has much ...more
So you bought a new flat screen, and now you have to tackle the next issue—you have to mount it somewhere. Most people go for the wall, which is the most obvious place, but if you want to go for something a little different, the ceiling is always an option, too. There are ple ...more
Welcome back, my amateur hackers! Over the course of the next year, we will be developing our own zero-day exploits. In my first article in this series, I introduced you to buffer overflows, which are the source of some of the most lethal exploits, particularly the "remote co ...more
Do you need just a few more controls? Perhaps your wondering how hard it is to make your own controller? Then follow the steps in this 2 part series and build your first MIDI controller in about an hour for very little cash. Using only 8 electronics parts, a pre-made case and ...more
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. There are many amazing redstone builds, but probably the pinnacle of redstone technology is the redstone calculator. The ability to turn simple game mechanics into a real-life calcu ...more
These how-to videos provide an introduction and tutorial to LEGO Mindstorms NXT. Topics discussed are (1) what is included with the NXT robotics kit (2) how to build a simple NXT robot (3) programming an NXT robot and (4) testing an NXT robot. Watch this video tutorial series ...more
The following video demonstrates how a simple and inexpensive forge can be made using little more than a soup can and plaster. Video: . A propane torch acts as the fuel source, allowing the forge to heat steel plenty hot, which can be worked into a knife as demonstrated in thi ...more
Want to build a Van de Graaf electrostatic generator? Who doesn't! This video tutorial will show you how. To follow along at home, you'll need the following items: a rubber band–the longer the better–, a small motor, a small glass object like a Christmas tree light, and some t ...more
Add appeal to your new home with a new window box you make yourself. This video shows you how.
Building a frame for your paintings can save you money and provide one more creation of which to be proud. Normally recommended for abstract paintings, basic float frames offer a professional feel to your art. This video demonstrates how to build a very simple float frame, whi ...more
In this tutorial, we learn how to build a simple mouse trap car. To do this, you will need: a ruler, two records, a thin metal rod, and a mousetrap. First, you will lay the ruler down to measure out where you are going to place the records. Next, you will hold these into place ...more
There's nothing better than sitting around a fire in your own backyard, but store-bought fire pits can get pretty expensive, and unfortunately (but understandably), most states have pretty strict regulations on outdoor fires. Want to have your cake and eat it, too? This DIY f ...more
There are plenty of things you can use at home to make your own rocket, like sugar, matchsticks, or even trash. They may not be as impressive as a real rocket, but they can still be a lot of fun. In this video, How To Lou shows how he made a high-flying water rocket out of som ...more
If you want to become a great robotics engineer, then you need to start out small, and this robot is a great first-time project. It's the simplest kind of robot, with only one motor and a gear box, but it moves really interesting, capable of shimmying across a rope. You can se ...more
Looking to go electric on the cheap? In this video tutorial, you'll learn how to make a contact microphone out of a Piezo Transducer, available for $2 from Radioshack (part #273073A). You'll also need some sort of audio connector, which can either be salvaged from old electron ...more
Check out this tutorial for ideas on how you can use your left over scrap fabric. In this video, not only will you learn how to use a loom, you will build your own! This tutorial from Elizabeth Gleeson will walk you through the process of building a mini-loom and using it to w ...more
Stuck on one side of a river or ditch? If you are stranded with no other way to get to your destination you will need to build a bridge! Without many supplies, your best bet is a beam bridge which can be made with just a single piece of wood. This video will show you how to ge ...more
Video showing how a battery-magnet-wire motor creates a rotating electro magnetic field. Watch the hanging bar magnet react to the rotations. You need a battery, magnet & copper wire.
Analog robots might seem a little backwards conceptually, but they are still really fun to make if you're into robotics and electronics. This video will teach you how to make a simple self-balancing analog robot. It's basically a small, robotic, analog Segway.
If you've ever seen It Might Get Loud, you probably remember the part where Jack White makes a one-string guitar out of household scraps. This type of guitar is called a Diddley Bow, after Bo Diddley, and is about the simplest and easiest electric guitar you can make. Watch th ...more
Great professional tutorial, on how to build an electric motor and how it works.
In Minecraft, traps provide an easy and safe means of harvesting monster-specific resources. This gamer's guide will walk you through the construction of a simple lava trap. For complete instructions, watch the video! Search WonderHowTo for more Minecraft tips, tricks, player ...more
Electromagnets are super cool to experiment with. In this educational video, Science Bob teaches us about electromagnets - what they are and how to build one of your own. These magnets are are very powerful and make an extremely neat experiment for the science fair. Electromag ...more
This is for anyone who wants a simple secret door. Materials Needed 2 Sticky Pistons 7+ Redstone 4 Blocks Of Any Kind 2 Levers Step 1: Place the Pistons Step 2: Place the First 2 Blocks Step 3: Place the Last 2 Blocks Step 4: Place the Redstone Step 5: Place the First Lever ...more
Check out this fun animation tutorial video that shows you how to build a simple stage that sits on a table for your animation using a stop motion puppet. It will be a small, compact and easy to make stage. You will need a sheet of plywood and some screws. Follow the step by s ...more
Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBostonian will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to write ...more
ARHSphysics shows viewers how they can build a simple barometer using household items! First, you need to get a container that is the height of an index card. Your best bet is to get an empty soup can of food can. Make sure you wash the can. Now, you will need a latex glove, c ...more
How to make a wooden bench from reclaimed wood. Recycled wood projects, whether it's from pallet wood or old fence palings, the end result can be fantastic! In this video l am using reclaimed hardwood fence palings to build a rustic wooden bench seat. Rustic wood furniture has ...more
Core Data is a powerful data-management framework introduced with Mac OS X v10.4 Tiger. When you take advantage of Core Data, it slashes the amount of custom code you need to write in order to manage application data. Opening, saving and undo management can all be handled by C ...more
A Simple Vibrobot. Build a simple vibrating robot. A hobby robot, well almost.
Dr. Diana Wehrell-Grabowski provides a brief overview of Buckminister "Bucky" Fuller's accomplishments in this video tutorial. The emphasis is placed on Fuller's use of geometry in his inventions and his observations of patterns in nature (geometry). Dr. Diana demonstrates ho ...more
This is a video tutorial on how to assemble K'Nex quad or ATV vehicle. He gives you the list of different Knex parts you need with quantities. This is a simple assembly, with a time lapse of how to put each piece together.
In this Home and Garden video tutorial you will learn how to build a simple miter clamp. Chuck Miller in this video explains how simple and easy it is. When you glue in two parts together, you need to hold them in place so they join firmly. A simple way of doing this is by a m ...more
This free video science lesson from YouTube's Mindpaint demonstrates a simple technique for creating a "fire motor" with a pair of wine glasses and a candle stick. For all of the relevant details and detailed, step-by-step instructions, as well as to get started trying this ex ...more
Microsoft ASP.NET is a free technology that allows programmers to create dynamic web applications. ASP.NET can be used to create anything from small, personal websites through to large, enterprise-class web applications. All you need to get started with ASP.NET is the free .NE ...more
This video shows how to build a simple motor using a battery, magnet, a screw, and some wire. This is a fun project for children. Build simple motor. Click through to watch this video on helpfulvideo.com
This short video shows the basics for making a wooden puzzle. using any piece of wood, you too can create a wooden puzzle for your kids. This woodworking project should take less than 15 minutes to complete. Build a simple wood puzzle. Click through to watch this video on blog ...more
Baby animals are some of the cutest things in the whole world. They can sometimes be even cuter than human babies! One of the most adorable set of baby animals would be chicks and baby ducklings. There's something about all the chirping sounds that make them so hard to leave. ...more
This video tutorial is in the Computers & Programming category which will show you how to build a simple house in SketchUp. Start with the floor plan, draw a rectangular main living space and attach a small extra room. Next you use the push pull tool and pull the house up to a ...more
In this clip, we learn how to render HTML in a text field within an Adobe Flash Professional project. Whether you're new to the Adobe's popular Flash authoring application or are a seasoned Flash developer merely looking to better acquaint yourself with Flash Professional CS5, ...more
This tutorial for Sony Vegas teaches you the complete fundamentals for building a simple and short, yet catchy intro. Also explains what metronome is and what it does. This tutorial is for more advanced Vegas users. Tutorial Difficulty: Moderate You should have basic knowledg ...more
Watch this music tutorial video to learn about the components of an analog synthesizer and now to build a simple patch. This helpful how-to video on building a simple patch and playing an analog synthesizer is not for beginners.
If you're just getting into woodworking, one of the most simplest and common projects involves making a birdhouse. A birdhouse is a common project that many can build and doesnt require too much work. With this next tutorial, you'll find out what type of wood you should use t ...more
In order to build a Spark Carousel in Adobe, you can get the source code first, which is available here. If you decided to change your layout, at any time, after you have created your layout, it's just a matter of changing out a line of code. You can download the wheel layout ...more
Do you have a passion that you would like to share with the world, but not sure how to do it. If so, that was my story too. I knew the niche I wanted to share, but I had no computer, video editing, website, or any other digital experience. I will admit, I made a lot of mistak ...more
While a big brain and confident craftsmanship have always been attractive qualities, today I'm going to show you the sexiest DIY project I've ever used ingredients for. DIY lubricant can save you money (lube is 95% water), help you avoid the creepy glance from your CVS cashie ...more
Once when I was a kid, my dad used a glue trap to catch a mouse in our basement. The result was so awful for the mouse that my mom and I made him promise to never use that kind of trap again. Call me a softy, but I'm a firm believer that you don't have to kill pests to get rid ...more
Welcome back, my hacker novitiates! Many of you have probably heard of a man-in-the-middle attack and wondered how difficult an attack like that would be. For those of you who've never heard of one, it's simply where we, the hacker, place ourselves between the victim and the ...more
Watch this video to learn how to make a simple mold and cast Smooth-Cast 300 liquid plastic and resin into it.
Getting hot and steamy can be awesome, as illustrated in the 1997 smash hit Titanic. But having the bathroom mirrors fog up during a nice hot shower can be very annoying. Getting ready in the morning can already be rush, and having to wipe down your mirrors after your shower i ...more
Instant ramen has been popular in the states for decades, and restaurants that serve the real thing in any variety you can imagine have been popping up everywhere in the last few years. But you don't have to go out or spend all day cooking to have a gourmet ramen experience. ...more
Cats. Whether you love 'em or hate 'em, you've got to admit—they've got minds of their own. While this makes them incredibly entertaining at times, it can also cause tons of issues for their owners. Trying to "train" a cat is usually an exercise in futility. This is because c ...more
Today I will show you how to create a simple keylogger in Visual C# Sharp, which will start up hidden from view, and record anything the user types on the keybord, then save it into a text file. Great if you share a PC and want to track what someone else is writing. You Will ...more
There's no doubt going to be a lot of Steves running around this Halloween, as Minecraft still has a huge community, but those posers are probably just buying their Minecraft costumes. Isn't the best part about Minecraft creating? So why let someone else create your costume? ...more
As with practically any other device, the Samsung Galaxy S3 has its fair share of complaints. Some have workarounds, some can be solved with mods or apps, and some seem to have no fix at all. One common issue on the GS3 is that the GPS won't seem to work at all, refuses to lo ...more
If your Android device wasn't manufactured by Samsung, chances are it uses on-screen navigation buttons. Colloquially referred to as "Soft keys," these have become commonplace due to their flexibility, as well as the fact that manufacturers don't have to include extra hardware ...more
A trip to any grocery store's produce section will quickly reveal that bananas are often picked from the tree well before their prime—which is necessary for them to arrive at our local store without going bad. In fact, bananas are refrigerated en route to our supermarkets in o ...more
It used to be that you only had to worry about maids rummaging through your belongings in your locked hotel room. But now anyone with 50 bucks of hardware and some programming skills can hack their way in—as long as it's locked by keycard. At the Black Hat security conference ...more
Just because a problem is small or superficial doesn't mean it can't annoy the living crap out of you. Others may think you're overreacting, or even have the audacity to roll their eyes, but you're in your own personal hell. First-world problems, white whines—call it whatever ...more