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How To: Turn Off Your iPhone with a Broken Power Button

As one of only three hardware buttons on an iPhone, the Sleep/Wake button gets a lot of use day in and day out. If you've had your iPhone for a considerable length of time, this button—which is also used to power down the device, as well as turn it on—may begin to malfunction or stop working completely, leaving you confused on how to now turn on/off your iPhone.

How To: Build a PWN circuit to control power that can dim an LED, control a motor etc.

Many types of circuits are useless and less useful if you cannot control the amount of power going through them. For that, you need a PWN (pulse with modulation) switch. This electronic component will let your control the power going through the circuit, enabling you to dim LED lights, control the speed of a motor, and other useful tasks. This video will teach you all PWN switches and how tom make your own.

How To: Save money, energy and power with your XBox 360

In this tutorial, we learn how to save power with your Xbox 360 (Xbox 101). This can save you money on your energy bill as well! First, turn on your console and then go to the guide button. Scroll to settings and then choose 'system settings'. From here, choose 'console settings' and then scroll down and select 'shutdown'. Make sure 'auto off' is enabled and then your console will automatically power down after six hours of inactivity. With this setting, you will never have to worry about tur...

How To: Play power chords with open strings on the guitar

As Guitar players, the goal is to be a member of the band when you have to be, and when it's your time shine, you go for it full force! But during those times that you have to hold back and hang with the rhythm section give the idea of open string power chords on your guitar during your rhythm guitar sections to add a feel that will definitely bring out any section of a song (although you might want to consider waiting until the chorus to open up like this.)

How To: Build a rubber band powered mini car launcher

What is it about boys and toy cars? Speed, motors, and lots of fun! In this video, Kipkay shows us how to make a mini toy car launcher that is powered by rubber bands. Make sure an adult supervises this project, as power drills are required. Once it's completed, your kid will have a blast with his or her Hot Wheels and some rubber bands. Don't forget to download the PDF of the project before you start.

How To: Circuit bend a battery-powered toy

Take your old electronics and make them scream with glitchy goodness. This an extremely easy project and makes a great project for first-time solderers. Circuit bending involves taking electronic devices that make multiple sounds and wiring in switches to set off glitches or loops. Using an out-of-tune toy, the first part of this video series demonstrates how to apply a basic pitch bend using a potentiometer. In the second part, you'll learn how to bend the same toy by applying body contact. ...

How To: Make a portable solar powered USB charger with Altoids

Check out this Greener Business Show video tutorial on how to make a portable solar powered USB charger with an LED flashlight inside an Altoids tin can. You will see in this episode how to modify a solar path light into the Altoids tin so that you can have a nifty LED flashlight and so you can charge your iPod or cell phone in the gleaming sunlight.

How To: Breadboard a DIY USB power supply

While breadboarding may seem like some odd combination of snowboarding and consuming the fluffy pastry at the same time, it's actually just the technical term for using a construction base to build a prototype electric circuit. Breadboards are solderless so they're great for circuit design and are reusable.

How To: Make USB air conditioning

Wondering how to most effectively combine ice cubes and a simple USB-powered computer fan into a fully functioning air conditioning system? In this video tutorial, you'll learn how to hack a coffee can and USB-powered fan into a simple, but effective, air conditioning unit. For detailed instructions on hacking together your own tin-can AC unit, watch this über-short how-to.

How To: Work with exponential growth functions in mathematics

Exponential functions are functions which contains terms which are integers raised to the power of variables. Note that the variables are not raised to the power of integers, but the integers are raised to the power of variables. Variables raised to the power of integers are called as polynomials and are a different class of functions. But exponential functions grow very fast than polynomials with the increase in the value of the variable. To understand the growth of these functions take a si...

How To: Replace your vehicle's power steering pump

Your vehicle's power steering pump is integral to your car functioning at all. That's because the power steering pump is what provides the hydraulic power for steering. Without it, your car would pretty much go nowhere. Inside the pump, retractable vanes spin, pulling hydraulic fluid in with low pressure and spitting it out at high pressure. Every pump has a pressure relief valve to make sure the pressure is never too high, but still your steering pump may wear out over time.

How To: Perform a power balance test on your vehicle's engine

The engine has a number of cylinders, whether it's 3, 4, 5, 6… 8…. whatever, and each one of those cylinders is designed to produce the same amount of power. If one is not able to produce the same power as the rest, then that cylinder is down and the engine might miss a bit or have a check engine light. If you think this may be the case with your automobile, this video from Eric the Car Guy will show you how to perform a power balance test on your car's engine. It's very helpful in nailing do...

How To: Operate the solar powered vent system in a 2010 Toyota Prius

In this tutorial, we learn how to operate the solar powered vent system in a 2010 Prius. Prius models that come with a moon roof also have a solar powered roof. The control switch is on the left hand side of the steering wheel. With the ignition on and the switch turned on, you can exit and allow the ventilation system to start to clean the air out of the car. Since this doesn't rely on power, it will not drain your battery. This is not only eco-friendly, it's also great for your health and c...

How To: Use the IR power verbs in Brazilian Portuguese

In this video, we learn how to use Power Verbs in Brazilian Portuguese: "IR". When you are using power verbs, you will often use "ir" to help with conjugations. For example, when you are saying "I go/ am going" you would say "eu vou" or if you say "you (do something)/are going" you would say "voce vai". The "ir" will change depending on who you are talking about in your sentence. You will also need to change the end of the power verb that you are using so you can properly use it in a sentence...

How To: Install door weatherstripping

This video shows you exactly how to weather-strip a door to keep down heating costs. Step by step instructions on how to check your doors to see if they need weather-stripping and how to install the weather-stripping. This also teaches you how to check to make sure that your weather-stripping has been installed correctly on your door to keep out any drafts. All that you need is some weather-stripping, a tape measure, a utility knife, a power drill, and some screws. This video teaches you how ...

How To: Evaluate exponents

Exponents are the times you multiply a number by itself. So 3 to the third power would equal 27. Another example could be 3 to the second would be 9. Any number with an exponent is always multiplied by the same number depending on the power. So this means that 5 to the third power would be 5x5x5, which would equal 125. One thing to remember is that when any number is multiplied by the power of 0, the number always is one.

How To: Install track lighting

This video shows how to install track lighting where you want to add or direct light. The first thing to do is to turn off the power to the circuit. If you don't have an electrical box where you want the lighting, you can purchase one at any home improvement store. If you have one, you will also need a track lighting adapter. Use masking tape for the pattern that you want, start around 18 to 24 inches from the wall. Remove the tape and replace it with chalk lines. Cut the tracks to size and a...

How To: Coil your golf swing for more power

Do you know how coiling effects golf swing? Swaying too far off the ball in the backswing and downswing is one of the most common power leaks in golf. Use five-time, Re/Max World Long Drive Champ, Jason Zuback's method for creating power through a proper coil and gain yards now. See how to create power in your golf swing with a proper coil.

How To: Make a speaker out of a tissue box

In an old video posted on YouTube, about how to make a speaker in a tissue box, they got a Kleenex box, foil, motor, and battery. Of course the motor ran off the battery and it made a sound, but there's no way to just plug in the audio jack from your Apple iPhone into the Kleenex box where it's contacts obviously aren't going to touch any electrical contacts and have it work. It's not possible.

How To: Do power yoga also known as Ashtanga yoga

Watch this video to learn to do power yoga. In Ashtanga yoga, also known as power yoga, the yoga postures flow with an emphasis on strength and agility. In this video clip learn step by step yoga moves that will help you unite your body, mind and breath. And remember each pose can be modified to suit the practitioner's level of skill.

How To: Upgrade your power supply on a PC

Upgrading your power supply can solve all sorts of problems that may arise after upgrading your PC's hardware. THe Lab Rats, Andy Walker and Sean Carruthers, will let you know how to tell if you need to upgrade your power supply and if you do they will help you figure out what kind you need and show you how to install it.

How To: Get the HTC One M8's All New BlinkFeed Launcher on Your Nexus 5

HTC's recent release of a new flagship phone brought tons of fanfare along with it. Dubbed The All New HTC One, the M8 edition of the popular One series phone also marked an update to the HTC Sense UI. Manufacturer skins like Sense can be a bit of a polarizing subject, especially amongst Nexus owners who are used to experiencing Android's interface exactly as Google envisioned it.