An amplifier is something that amplified the voltage on a circuit. The most basic kind is an operational amplifier, and this video will show you how these work and how to use them in your electronics. As an example you'll learn how to make a microphone circuit for spying on people or listening to your heartbeat.
This do it yourself robot can be made out of many materials you can find around your house. You'll need a few special non household items, such as an arduino and a class 3 laser. However, once you assemble everything correctly, you can make a sentry robot inspired by the robots in the game PORTAL. Even if you've never built a robot before, as long as you have a basic knowledge of electronics, you can start with this simple and fun project.
If you've already made a game using Unity3D and want to wrap it up with a nice GUI (or graphical user interface) (or menus) watch this video for a guide to making basic GUI elements using the built in ones in Unity3D.
Minecraft agriculture has become the premier way to acquire massive amounts of resources from animals and enemies, and making really effective ones usually requires water trenches and canals. This video will teach you how to build perfect working trenches and canals for whatever task you need.
Are you tired of monsters or unwanted other players coming down your tunnels full of precious Minecraft ore? Why not build a classic hidden arrow trap for them? This video will show you how to do so, and demonstrate it's brutal effectiveness.
This bloke has very strong opinions about the different types of Elemental Hero (e-hero) decks in Yu-Gi-Oh! the card game. In this video he breaks down why his e-hero deck and e-hero philosophy in general are superior to others and why Elemental Recharge is a crappy card.
Elder Dragon Highlander is one of the more imaginative and fun Magic: The Gathering variations, played with 100-card decks in which no card can be repeated and free Legend creatures for all players. This video will teach you how to play it, but not how to build a deck. You need to check out it's companion video for that.
If you've haven't tried Elder Dragon Highlander, check it out. It's an awesome variation of Magic: The Gathering. This video will teach you how to make a powerful deck for it based around the Reaper King card and an army of scarecrows.
If you can play bar chords, there's no reason you can't play a two-five-one jazz progression! This clear and helpful video shows you how to build on skills you already have, adds in some theory and has you ready to get jazzy!
If you want to engage in macro photography and can't afford a close-up lens, you may be in luck. By using a "G" lens (that is, a lens that does not have a built-in aperture ring) it is possible to reverse the lens and take close-up shots with your camera, without having to buy any additional equipment.
This half-hour episode of Hak5 covers several topics: Using a DSLR camera to create HD footage, building your own Google TV, unlocking & copying locked files with Lock Hunter, using PicPick for screen capture, using WinDirStat for analyzing & cleaning your hard drive, setting up a secure FTP server with Ubuntu Server, and secretly copying data from USB drives with USB Dumper.
When you think of robots, you probably think of things that have more than three parts. Not this robot! If you want a robotics project to try that doesn't require an MIT degree, watch this video for instructions on how to build a 'Dizzy Robot' out of only some thin tin, a pager motor, a button cell battery, and this template.
Lasers are one of the coolest things that you can build yourself from a pure sci-fi fantasy standpoint. They're not easy though, but this video will help you somewhat by describing different types of laser diodes and how to connect them to a power supply.
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 this video to learn how.
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.
The lightsaber is one of the coolest weapons in the history of cinema, and the original props came from a junkyard. Funny how that works right? If you want a lightsaber for your own film, costume, or just because they're awesome, watch this video for a guide to making three types of lightsabers: a cheap one, a medium one, and very expensive professional-quality one.
Far Cry 2 set the bar for video game graphics when it came out, and it's grenade launcher is one of the best-looking in games. This video will teach you how to bring the grenade launcher into reality by making a replica out of cardboard and clay, perfect for a film or costume.
The shrink ray as always been one of the oddest and least-useful sci-fi guns, but alien invaders seem to love them and so we'll keep seeing them. If you want to use a shrink ray in a film you're working on, watch this video. It will teach you how to first make a generic ray / laser gun, and then how to make an object shrink in After Effects.
Master Chief, the star of the Halo franchise before it's most recent iterations, is one of the most recognizable and beloved protagonists in gaming history, and that's without players ever actually seeing his body through his inconic and intimidating armor. If you want to dress up as Master Chief for a Halloween costume, film, or other purpose, watch this video to learn how to make your own DIY Master Chief armor for cheap.
Organic LEDs (OLED) are even more efficient than their standard LED cousins, but does that mean they're harder to make? Perhaps somewhat, but no excessively. Watch this video to learn how to make a DIY OLED at home, allowing you to make really cool light-up displays.
The seals in your car had best all be functioning properly if you expect your car to work right. To test the ones in your engine cylinders you'll need an automotive cylinder lead down tester, and if you don't want to buy one, you're in luck because this video contains easy-to-follow instructions on how to make one in your garage.
This video explains how to release built up tension using De-stress styled Yoga. This type of Yoga requires you sit on your legs while sitting up straight. Taking deep breaths is the first step to begin releasing tension using Yoga. While taking deep breaths you must turn your torso very slowly from left to right. While keeping your legs planted on the ground, stretch your arms forward until the tips of your fingers are touching the ground. Taking frequent deep breaths in between these two Yo...
If you are the proud owner of a laser cutter, you had better be careful with your expensive new toy. Some materials can damage the optics in your laser or produce poisonous gas when you cut them, so you need to make a gas containment chamber to work in. Watch this video to find out how to do that out of silicon wafer, silicone sealant, and a metal cookie tin lid.
Do you like the analog look of old handheld video games like Mr. Game and Watch or clock with 7 segment displays? It's pretty easy to simulate them nowadays by making an electroluminescent display on printed circuitboards with EL ink. You'll learn how to do just that in this video. It almost looks like Lite Brite.
In this tutorial, we learn how to build a wave machine out of household items. You will need: 20 straws, 40 paper clips, 2 pieces of tape, and 1 washer to make this. First, you will need to pull out a long string of tape and lay it down with the sticky side up. After this, you will need to stick the straws on top of the tape in a row all going next to each other. Do this from the top to the bottom until all of the straws are stuck on. Then, stick the washer to the top and you are finished wit...
The Eldar Harlequins are some of the most charismatic and seldom-played models in the Warhammer 40,000 universe, but did you know that you can make an entire powerful army out of them? You can. Watch this video to learn how to make an awesome 1750 point army list out of Eldar Harlequins.
When it comes to losing weight, cardio is your BFF. When you combine cardio with strength training you achieve what is known as solid gold fitness: The perfect combination of sweating (and fat loss) and muscle building so the fat slides off and your toned muscles come out.
Home farming is easier than you think, especially when it comes to incubating your own chicks from eggs to raise! If you're curious on how to build your own cheap egg incubator, check out this video! In it you will get all the info about temperature, humidity and more for your home incubator!
In this video, Mike Craft from Lowe's teaches us how to build a fire pit. First, check to make sure there are guidelines permitting you to place a fire pit outside of your home. Then, make sure you have a clear area to place the fire pit. Once you have a spot picked out, you will need to make a paver base for your fire pit to lay on top of. After this, lay a circle of blocks around the cover for the fire pit. Layer three sections of blocks, then line with bricks on the inside and place in the...
Octaves are a cool way of spicing up your solos either by adding in the ocatve note after playing the lower note, or, in the way that George Benson and other great Jazz artists have made famous, playing full octave type power chords that allow you to play all sorts of melodies on the guitar. In this video you will learn how to find octave centers and begin to build your own melodies, solos and rhythm patterns!
If you loved the look of the robot hand from the Terminator movies, or the look of Hell Boys hand of doom, then you probably really want to be able to have one in your movie! In this video you will learn how to make a robotic hand on a low budget with moveable fingers using some pupeteering techniques.
In this video, we learn how to keep resumes timely with transferable skills. You have to keep up with the changes in technology, so don't keep doing things the old way. You are going to have to keep up with people who have a fresh skill set. Don't wait for your employer to send you to school, do it yourself and get ahead of the game. Start to network with people and build your career and future by yourself. You will benefit from this, so take the time and make sure your skills are current and...
If you're having a hard time going up hills or being able to ride a bike for a long time, you may need some help. Performing leg exercises away from your bike can be a great way to help build endurance and strength.
Learn how to take advantage of the BlackBerry Bold 9650's built-in GPS. This clip will show you how it's done. Whether you're the proud owner of a BlackBerry smartphone or are merely considering picking one up, you're sure to be well served by this video guide. For detailed information, including step-by-step instructions, take a look.
Learn how to take advantage of the Address Recognition feature built into the BlackBerry Bold 9650 phone. This clip will show you how it's done. Whether you're the proud owner of a BlackBerry smartphone or are merely considering picking one up, you're sure to be well served by this video guide. For detailed information, including step-by-step instructions, take a look.
Want to play "Don't Stop Believin'" 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 much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this song (famously covered o...
Want to play "The Honey Tree" 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 much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing "The Honey Tree" on your own ukulel...
Want to play "Kokomo" by the Beach Boys (sans Brian Wilson) 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 much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this ...
Want to play "Pearly Shells" by Edwards & Pober 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 much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this great tropic...
Want to play Sophie Madeleine's "You Are My Favourite" ("You Are My Favorite") on your ukulele? Learn how with this free video ukulele lesson from Sophie herself. 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 much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get...
