How To: Illustrate a reflected image and plot its location
For both reflection and refraction scenarios, ray diagrams have been a valuable tool for determining the path of light from an object to our eyes.
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How To: Add additional menus in iDVD
If you want to include lots of movies on one DVD, consider creating sub-menus to better organize the DVD for your audience. Besides support for standard or widescreen menus, iDVD includes families of menus.
How To: Replace a Zippo wick
This video will show you how to replace a wick in a standard Zippo lighter. This method can also be used in many other similar style lighters. As you will see in the video, you might not even need to change it, but rather just use what's left. There's a lot hidden in there!
News: The Galaxy S20, S20+ & S20 Ultra Are IP68 Water-Resistant — Here's What That Really Means
Samsung's new line of Galaxy S20 flagships have a water resistance rating of IP68. This means you don't have to worry as much about getting the phones wet, but there's a limit to that.
News: Markerless Tracking & Tango Support Come to Scope AR's Remote Assistance Solution Remote AR
Today in Santa Clara, California, at the Augmented World Expo, Scope AR revealed a major new update that will add markerless tracking for their remote assistance application, Remote AR, on standard devices.
PSA: Dangerous Fungus May Be an Uninvited Guest at Your 4/20 Celebration This Year
Every party has a pooper, and that's why you're reading this article. We don't mean to be a downer on such a fun day as 4/20, but it's important to make sure you know about the source of your pot, especially if you're one of the 2,299,016 people who use medical marijuana in the US.
News: Why Social Media Is for Women (& the Men Who Want to Date Them)
Gender standards are entirely pervasive. We raise our sons to be masculine and our daughters to be feminine, which perpetuates the gender role formula when they grow up to be parents and raise their own children. Part of this whole equation is that boys are supposed to remain stoic and project an air of strength, and girls are expected to be amiable while being held to unrealistic standards of outward beauty.
How To: Make flowers glow in the dark with a fluorescent highlighter
Are you looking for some fun party decorations, or a neat gift idea? You can make beautiful glow in the dark flowers, using nothing more than a standard fluorescent highlighter and ultra violet light. After you watch this video, you will be able to amaze your friends by making flowers glow in the dark!
How To: Built water ladders and stealth water ladders in Minecraft
In the world of Minecraft, style counts for a lot. Why get around by resource-expensive ladders when a water ladder will get you there just as easily? This gamer's guide presents a complete walkthrough of how to build both standard and stealth (i.e., invisible) water ladders. Note: Water ladders must face North or East.
How To: Collect all three Star Coins in New Super Mario Bros Wii World 2-2
World 2-2 of New Super Mario Bros Wii is a pretty standard Mario desert affair, but that doesn't make finding all three of it's hidden Star Coins any less important. Watch this video for a guide to their locations in the level.
How To: Play a Delta Blues style progression on a resonator guitar
If you're looking to get into slide guitar, the place to start is in the Delta, the deep south, with artists like Son House, Robert Johnson, and Bukka White. You can find their music on the Library of Congress' website as it is all open to the public now. In this video you will learn how to play some basic Delta Blues with some finger picking techniques, slide techniques, a standard I IV V progression, and more.
How To: Use the standard Brush tool in Adobe Illustrator CS4 or CS5
In this clip, you'll learn how to make use of the regular Brush tool when doing design work in Adobe Illustrator CS4 or CS5. Whether you're new to Adobe's popular vector graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.
How To: Use the Xtracharts control in Winforms to export a chart to PDF
Xtracharts, a control for Winforms, allows the user to easily export charts made using the program into a PDF, HTML or MHT, Excel spreadsheet or standard image. This tutorial shows the Winforms user how to properly code and then export the chart.
How To: String or restring a standard ukulele
The ukulele is a beautiful and unique stringed instrument that is perfect for the traveling musician because it is so portable and relatively inexpensive. In this how to video, Aldrine walks you through the steps of restringing your mini axe. Take is slowly, be careful, and enjoy your newly-stringed ukulele. Once you get a hang of this stringing technique you will be able to play some easy songs on the uke.
How To: Choose between standard, concert, tenor & baritone sizes when ukulele shopping
If you want to get really good at playing the ukulele, it stands to reason that you'll need to, like, have a ukulele. Happily, the Internet is awash in high-quality video lessons like this one from the folks at Ukulele Underground, which presents an overview of how to select the right sized uke for you. For more information, watch this free video ukulele tutorial.
How To: Hook up your XBox 360 using an HDMI connection
HDMI cables are the new standard for home digital media, and the XBox 360's graphical quality is really hamstrung by the use of any other cables. They can carry sound as well! This video will show you how to hook up your XBox 360 using an HDMI cable, ensuring that you can view the games and movies on your system the way that they were meant to be viewed. Assuming that you have an HDTV, of course!
How To: Play G major, G minor and G7th chords on the guitar
In this guitar lesson, learn how to play G major, G minor and G7th guitar chords on a guitar in standard tuning (EADGBE). With the guitar, as with any other instrument, if you want to improve, you'll need to practice. Fortunately, the Internet is awash with free, high-quality guitar lessons like this one. For more information, and to get started playing G chords on your own guitar, watch this video tutorial.
How To: Use NORMSINV with critical values in Microsoft Excel
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 87th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use NORMSINV to test a hypothesis with population standard deviation (sigma) known and proportions.
How To: Make a simple balloon motorcycle
In this free ballooning tutorial, learn how to make a simple balloon motorcycle with a standard 260 twisting balloon. Your Balloon Man, Mr. Fudge, is full of balloon tricks! Be sure to find other balloon videos on WonderHowTo from Mr. Fudge teaching everything from animals to planes! In a few twists and a few ties, you'll be an expert balloon artist in no time!
How To: Measure dispersion with range, variance & std dev
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to use statistical range, variance and standard deviation to measure dispersion in a data set.
How To: Use a tumbler to polish metal
Magazine associate editor, Jill Erickson, demonstrates how to use a rotary tumbler with stainless steel shot to both polish and harden metal. Jill explains the benefit of stainless steel shot, which is resistant to rusting unlike standard steel. Using shot of various shapes and sizes will make polishing in crevices more effective, providing a more even shine. The process: Add enough shot to cover the bottom of the tumbler, then add a small amount of water. Just enough to cover the shot will d...
How To: Use a vintage elmo transvideo telecine projector
So you got a hold of a vintage Elmo transvideo telecine projector on eBay and now you have no idea how to use it. In this video, get a short demonstration of how to use the standard 8mm model of the Elmo telecine projector.
How To: Build a champagne tower
Nothing beats a Champagne tower for old-world elegance—so long as you construct it so it doesn’t fall down! Watch this video to learn how to build your own champagne tower. You will need:
How To: Build a wireless finger phone
Here is what you need: a Bluetooth headset, some standard wires, at least one glove, knife for cutting, and time. That's it. How simple and how awesome?! Mod the Bluetooth to fit on your finger and be a cool spy device, perfect for James Bond.
How To: Use Content Aware Scaling tool in Photoshop CS4
Learn about this new seam carving technology, Content Aware Scaling, in Adobe Photoshop CS4, and you'll be tempted to never use the standard Transform tools again.
How To: Use built-in preflight tools in Adobe Acrobat 9 Pro
This Adobe Acrobat 9 Pro tutorial shows you how you can use the built-in preflight tools to identify issues in a PDF like colors, fonts, standards conformance and more. Learn how to analyze and fix an entire PDF, or run single checks and fixups on trouble spots or certain objects. You will also see how to embed an audio trail of the inspection in Acrobat 9 Pro.
How To: Make an Infrared Mask to Hide Your Face from Cameras
This how-to video shows how you can hack a standard baseball cap into a cool invisible IR mask to hide your face from cameras anywhere, and look perfectly normal to the human eye! You have to admire a technically accomplished hacker. Now don't go out a rob a bank or anything. Watch this video tutorial and learn how to camera-proof your face with a creepy infrared mask.
How To: Make a spark by using flint and steel
This video shows how even the cheapest file can act as a striker. Use a standard micro file to make a spark. Do not prep it in any way and, in fact, don't even remove the teeth from the file. This a good, but short, closeup on the process.
How To: Kickflip on a skateboard correctly
A homemade kickflip video that works. Watch and learn how to do this standard skateboarding trick with a play by play style video, and diagram included.
How To: Burn DVDs that play on standard DVD players in Windows
This video explains how to burn DVDs that will play on a standard DVD player in Windows. The programs needed to complete this project include IMG Burn and DeVeDe which has been modeled for Windows. The final burn product created with this program will allow the DVDs to play on computers and actual DVD players. The first step is to hit open to select the file you wish to burn. You must then select burn ISO or Bin file in IMG Burn or DeVeDE. You can then select a title for your burned disk leav...
How To: Use a hole saw
Tim Carter demonstrates how to use hole saws. These tools drill perfectly round holes from one-half-inch diameter up to 2 and 1/4-inch diameter using your standard drill.
How To: Change Resolution & Bit Rate in Filmic Pro for High-Quality Video Up to 4K at 100 Mbps
Filmic Pro harnesses the full native power of your iPhone or Android phone — and then some. If your smartphone shoots in 4K resolution, Filmic Pro will let you choose that resolution. However, it's not all about the pixels — bit rate is an essential factor in determining the overall quality of your 720p, 1080p, or 4K video, something Filmic Pro gives you full control over.
News: The Galaxy S10 Is IP68 Water-Resistant — Here's What That Really Means
When it comes to resistance to the elements, Samsung seems to believe in the old saying "if it ain't broke, don't fix it." They've carried over the IP68 rating under IEC 60529 that was first found on the S8 all the way to their tenth-anniversary flagship, the Galaxy S10. While this certainly sounds great on paper, it's natural to want to dig a little deeper and find out what the rating means.
News: Why the iPhone X Needs a $25 USB Type-C Cable to Fast Charge
After learning that you'll need to spend at least $74 on a special charger and a USB Type-C Lightning cable to enable fast charging on the new iPhone X and iPhone 8 models, you may be wondering why you can't just use the standard Lightning cable. While we can't answer why Apple didn't include the USB-C cable in the box with their new phones, we can explain why you need USB-C to enable fast charging.
News: LG V30 Revealed — Dedicated DAC, Dual Back Cameras, Snapdragon 835 Processor & More
The LG V30 has finally been announced and was rumored to be released sometime in September, but September has come and is almost gone, while LG fans have been waiting anxiously. The V series offers a more robust media experience when compared to LG's other flagship, the LG G6. Since the phone has been announced, we do have all of the details for the third flagship in LG's V series, and believe me, it's sounds like it'll be worth the wait.
News: Finally, Someone Is Fixing the Major Issues with Texture Compression
We live in a computer world full of file formats. Whether we are talking about images, videos, or text documents, there are dozens of file types for each, and there are new ones added every year to applications. Keeping in mind that many of these formats were created before the internet was widely available (at least, in infant form), the primary reason for this glut of often complex choices is competition.
How To: Make your Android phone feel faster
If you're looking to get a faster Android phone without resorting to installing a custom ROM, check out this helpful video to learn seven tips for speeding up an Android smartphone. There are a number of easy adjustments to the standard Android settings that will make the phone seem much faster.
How To: Sew a large, lacy feminine bow belt
A bow - whether pinned onto your shirt or tied around your waist as a belt - is a quick and easy way to add instant feminine pizazz to any outfit. Even if all you're wearing is a standard white tee and shorts, donning a bow belt will turn that outfit into a pretty look.
How To: Install a SIM card into a GSM phone like the Motorola Razr2
In this clip, we learn how to install a SIM card into a standard GSM cell phone. It's easy! So easy, in fact, that this mobile phone owner's guide can present a complete overview of the process in about three minutes. For all of the details, and step-by-step instructions, take a look.
How To: Convert a standard SIM card into a MicroSIM card
Interested in converting your mobile phone's SIM card into a MicroSIM card? It's easy! So easy, in fact, that this mobile phone hacker's guide can present a complete overview of the process in about eight minutes. For more information, including detailed, step-by-step instructions, take a look!