How To: Hide a secret text in a .wav sound file
Here's a demo which shows a way to produce WAV sound files with TEXT using Photoshop or any photo editing software.
Personal Computer Produced Search Results
How To: Safely catch a bat
Bats getting caught in houses is a regional problem. In general, bats are scared of humans, but they will bite when they feel cornered. The New York State Health Department produced this video to urge New Yorkers to avoid the risk of rabies and rabies treatment by capturing and submitting for laboratory testing any bat found in their home that may have come in contact with humans or pets.
How To: Make a cheap multi-touch pad like in the MacBook Air
Check out this video tutorial on how to make a cheap multi-touch pad like in the MacBook Air. Yes, that's right... you can make your very own multitouch, finger-sensitive touch pad for your computer. This is definitely the cheap way to go to make a Multitouch Mini (MTmini), with a maximum of fifty bucks down the drain. This multitouch touchpad (or trackpad) is easy!
How To: Embed a browser into Adobe Flex 3 with Adobe AIR
In this web application development tutorial we show you how to create an Adobe Air desktop application and how to produce an unsigned certificate. The example shows how to embed a browser into Adobe Flex 3.
How To: Do Bicep Curls for Seniors
Biceps curls are standard exercises for building the muscles of the arm. Seniors should not omit them from their workout. Learn how to do bicep curl exercises for seniors in this strength training video. Take action: use sturdy chair, position hands at sides and palms forward, tighten core, focus on biceps, and keep shoulder from rotating. Tom Clifford, the instructor in this how-to video, has a degree in physical education, fitness and health from Eastern Michigan University, where he ran tr...
How To: Create a vinyl scratch effect in Reason 3.0
In this music production software tutorial you will learn how to create a vinyl scratch sound synthetically in Reason. See how to use the NN-XT Sampler to produce a somewhat authentic sounding Vinyl Scratch right in Reason 3.0.
How To: Create exploding water
Watch this instructional science video to learn how to create hydrogen from water, salt and electricity, for only a few dollars. This is an experiment that produces explosive gases, involves electricity and water and a number of risks so please be careful. Not an experiment to be performed by idiots. Create exploding water with this educational tutorial.
How To: Preserve identity with Photoshop
When you watch the news or a television show where someone doesn't want to be identified, it is common to see the face blurred out or obscured. In this Adobe Photoshop tutorial you will learn how to blur someone's face in an image and preserve or hide their identity. So if you are producing videos or podcasts or need to hide part of an image, this tutorial will show you how to do it in Photoshop.
How To: Make custom envelopes for letters
Mail custom packages and envelopes or quirky objects; learn how to make custom envelopes and packaging for personal letters in this free video.
How To: Balance a GlideCam using a Canon XL2
Watch this quick instructional cinematography video that shows how to balance a Canon XL2 professional HD digital camera on a GlideCam 4000 Pro. Learn how to secure the camera using this handheld camcorder stabilizer to prevent unwanted swaying, shoot fluid traveling shots, and produce professional works.
How To: Scream metal rock vocals
Learn how to produce those sounds from your very own throat! Scream those metal rock vocals! Scream them loud! Yeah!
How To: Make a really foamy reaction with elephant toothpaste
Elephant toothpaste is the name given to the catalyzed decomposition reaction of 30% hydrogen peroxide that uses soap to collect the oxgen gas that is produced. It is a favorite of most students at chemistry shows.
How To: Blow smoke like a human chimney
From nowhere, you produce billows of smoke out of your mouth...it's like you've manufactured smoke in your lungs! Here all you need is a match and some strong lungs.
How To: Use polyurathane casting resin
Here learn how to use polyurathane casting resin in silicone molds. This video is produced by Carl Hill from Gatehouse Candles.
How To: Build a mineral oil cooled computer
Build a mineral oil computer aquarium. It cools the system while giving you something to look at.
How To: Make sounds with circuit bending
Circuit bending is when you take an old sound producing machine and change the circuitry to make new sounds. Make Magazine's Bre Pettis and circuit bending expert Justin Gerardy discuss the various tips and tricks of circuit bending.
How To: Understand thunderstorm electrification and lightning
There were two broad objectives to the 2004 TELEX project: One was to try to understand better why storms tend to produce a lot of positive cloud-to-ground flashes. The second part looked at the electrification of mesoscale convective systems.
Make a Physical Computer Virus: Plant a Parasite to Prank Your Peeps
Computer viruses are terrifying. They are undetectable, dangerous, and operate constantly right under your nose. For the average computer user, there are only a few repair options. You could buy expensive antivirus software that causes more problems than it fixes, you can wipe your hard drive clean and lose all of your important data, or if all else fails—just switch to Linux.
News: The Federal Laws Every Hacker Needs to Know to Stay Out of Prison
If you're a frequenter of Null Byte, I bet you have at least some interest in information security. Furthermore, you have a hobby that if applied in certain ways, will get you arrested. I've received quite a few messages from the community here about federal cybercrime law and how it applies to them, so I decided to get together with my lawyer to come up with some answers.
Uncrackable: Secure Your Secrets with 4096-Bit Encryption
As you progress in the world of information security, you'll find yourself in situations where data protection is paramount. No doubt you will have files to hide and secrets to share, so I'm going to show you how to use the GNU Privacy Guard (GnuPG or GPG for short) to encrypt and decrypt as you need. GPG is a great open-source version of Pretty Good Privacy (PGP), a similar application used for encryption, but licensing and patent problems led to the development of GPG in its wake.
News: Math Craft Inspiration of the Week: Marble Binary Calculators & Other Mechanical Computers
Since today (11/11/11) is the last 6 digit binary date this century, I thought we should look at some kinetic binary calculators.
How To: Make Your Laptop Theft Proof
The dreaded moment you hope never happens—someone has stolen your laptop. You could have private information, pictures, or even private information belonging to the company you work for, all lost forever. It can cause you pain, money, or even a job.
How To: Play Music With Your Mind
Tired of getting calluses from incessantly strumming along to 'No Woman No Cry'? Just hook up to the brain-music system and use your brain power to play a tune instead. I'm not talking—humming along in your head. The machine, created by composer and computer-music specialist Eduardo Miranda of the University of Plymouth, UK, is composed of electrodes taped directly onto your skull that pick up tiny electrical impulses from neurons in your brain and translates them into musical rhythms on a co...
News: Amazingly Complex, Yet Simple LEGO Contraptions in Rube Goldberg Fashion
Back in the '80s, I was just a kid with a LEGO hobby. I remember building castles and floating boats, spaceships and monster trucks, even a working LEGO train powered by battery, lights and all.
How To: Access your media library online with Remote Media Streaming on Windows 7
Wouldn't it be great if we could all enjoy the music, photos and movies on our home computers even when we're not home? Some would think it a luxurious feature, but it's totally possible for anyone who has Windows 7 and an internet connection. See how!
How To: Jailbreak the Iphone 3g and keep your data
In this tutorial, we learn how to jailbreak an iPhone 3g and keep the data. First, plug your phone in and connect it to your computer. Next, go to the website felixbruns iPod firmware. Go to the bottom of the page and find where it says "iPhone 3g 3.0" then download and install this to your computer. Next, go and download this zip file, and download and install this on your computer. Next, turn off your phone, then wait for it to restart. Now, hold the power button off and click on the RedSno...
How To: Create a zip file and compress your folders
Need some extra space on your computer? Grab those folders and zip 'em! Watch this tutorial and learn how to consolidate your folders into a single zip file, saving you space and keeping you organized.
How To: Upgrade the hard drive on your laptop computer
Not enough space on your laptop? No problem! Grab a new hard drive from your local office supply store and follow this tutorial to learn how to install it.
How To: Ensure You Never Lose a File Again for Just $49
You might know the feeling: the sinking stomach that informs you something terrible has happened. You click on your trash bin. Nothing is there. Your hard drive has been wiped clean.
How To: Use Minecraft slime finder to find slimeballs for sticky pistons
Don't waste time building a slime farm that isn't going to produce slimeballs. Watch this video and learn how to use Slime Finder to find the most productive areas of your Minecraft world for harvesting slimeballs to use with sticky pistons.
How To: Create a farm for both animals and monsters in Minecraft
Both animals and monsters produce things you need in Minecraft. This tutorial shows you how to build a farm that will spawn animals during the day and monsters at night, so you can accumulate more of everything that you need!
How To: Make a Christmas garland out of recycled paper stars
Have a green Christmas this year! Instead of buying more mass produced holidy decorations, make your own! This short video shows you how to make your own Christmas garland of tiny stars using recycled paper. Any festive color will do for these stars!
How To: Use the V stitch for your next crochet project
This tutorial is for those who are at least intermediate crocheters. Make sure you have the basics down before attempting this crochet stitch, called the V stitch, which uses a 13 + 3 stitching pattern and produces an elegant finished project.
How To: Figure out if you can grow an October Glory maple tree
Why wouldn't you want to grow a maple tree? Not only would planting and watering it help relieve stress and help you become one with nature rather than with Facebook, but the tree also produces maple syrup.
How To: Make a simple latex mold using liquid latex rubber
In this DIY guide from the folks at the TAP Plastics, we learn how to produce a simple latex mold using liquid latex rubber. It's easy! So easy, in fact, that this clip can present a complete overview of the technique in about seven minutes. For all of the details, take a look.
How To: Create voluminous waves by using the scrunching method
If you're scared of curling your hair because you don't want to damage your hair through heated products like flat irons and curling irons, then here is a more eco-friendly, heat-free alternative that costs almost nothing but produces gorgeous results.
How To: Create electronic music with the music editing program Massive
This tutorial goes over the music editing and creating software Massive. You're shown all the various features of the program, and how to get them incorporated into your own projects. You'll be producing electronica and remixing your own music in no time!
How To: Make a Christmas Cactus bloom with darkness
Christmas Cactus are pretty plants, but getting them to produce their amazing flowers consistently can be a pain. Watch this video to learn how a little darkness and plant food will have you beauty flowering in no time. Well, some time, be patient.
How To: Purchase good mussels and prepare mussels with french fries
We're the ultimate foodies, but when it comes to preparing shellfish we get more than a little intimidated. Requiring heavy duty shell removal using knives and knick knacks that look like they belong in a doctor's office, the task is usually one who choose to skip.
How To: Play "Flying Purple People Eater" on the ukelele
If there's a more fun song to play than "Flying Purple People Eater," then we havne't met it. Produced God knows how many years ago and now a classic Halloween party tune, "Flying Purple People Eater" combines kitsche with humor in a most delightful way.