The next libSSH or OpenSSH exploit may be just around the corner. Keep your SSH service out of Shodan's database before hackers find new ways to bypass the password protecting the server.
Not that long ago I wrote an article discussing what it would be like, realistically, if you were to accidentally travel back in time to the Victorian era. At the end of that article, I mentioned that the best thing you could bring with you on a time-traveling adventure is a Kindle, or similar e-reader, stuffed full of the knowledge of the 21st century. Why a Kindle? Well, I own a Kindle, and I love it. However, there's far more to it than that.
Will the predicted apocalyptic date—December 21st, 2012—really be the end of the world? In this ongoing five-part series, we examine what would happen if zombies, nuclear weapons, cyber wars, earthquakes, or aliens actually destroyed our planet—and how you might survive.
In this 14th video in a series about JAVA game development, "thenewboston" (Bucky Roberts) explains how to redefine your screen to avoid annoying flickering. Flickering in JAVA games often occurs because of time lags as the viewer watches the computer draw a new screen, pixel by pixel. Pre-installed code in JAVA can be used to eliminate this problem by taking advantage of "Buffering" and "Page Flipping". These functions permit you to delay the composition of a new screen until it is finished,...
Watch this science video tutorial from Nurd Rage on how to make iodine from sulfuric acid and alkali metal iodide. This is the best way to make elemental iodine from sulfuric acid and sodium or potassium iodide.
Watch this science video tutorial from Nurd Rage on how to make a chemiluminescent reaction with home chemicals. Make a chemiluminescent singlet oxygen red light pulse from two simple chemicals almost anyone can buy: pool chlorine and hydrogen peroxide.
Watch this science video tutorial from Nurd Rage on how to make silver nitrate from silver and nitric acid. They show the chemistry of making this cool chemistry, colorless solid.
Watch this science video tutorial from Nurd Rage on how to make a mirror silvering solution from silver nitrate, ammonia, sugar, and sodium hydroxide.
This is a song with a quick history of avocado's birth into guacamole. Then there's the recipe sung by two mariachi. You need avocados, tomatoes, chiles, lime, salt, onion and chips to dip. This is a healthy alternative to cheese or ranch dips.
This video tutorial shows how fifteen dollars and a half an hour of assembly can produce a working bare-bones laminar flow nozzle that attaches to a garden hose for a makeshift fountain.
Stay tuned for this knitting demonstration video. This three needle bind off technique produces a very neat, flexible shoulder seam – and, no sewing is required. Begin by moving the shoulder stitches from their stitch holders to appropriately sized needles.
Bill Myer compares four different lavalier microphones for use in producing videos: Sony ECM 55, Sony ECM 66, and Radio Shack lavalier microphones.
Moles can be a problem. You can identify Moles as a problem if when you stick your finger down a hole you can feel a tunnel. There is a safe way to rid your lawn of Moles without harming other pests, insects, pets or family. Castor Oil produces an odor that Moles don't like. Get it in granular or liquid form, sprinkle it around the area. You'll see more Mole activity in the first few days because they'll get agitated but quickly they'll move somewhere else. Don't use a castor oil from a groce...
First open up the Camtasia studio and click on the link make a recording. It will open up the Camtasia recorder but before you start the recording you need to click on the tools, options and make sure the "save as AVI" is selected in file menu. Then click on video tab and select the "manual" in "video configuration", 30 in frame rate and click ok. Now download and install the software called "free sizer". Now we need to set the recording area to 1280x720. To do that, right click on the maximi...
Rock candy endures as a childhood sweet because it is both taught in science class as a fun (and yummy) experiment and because it's made entirely out of sugar. And you'd have to be just downright weird if you're a kid who doesn't like sugar.
In this how-to video, you will learn how to make potassium trichromate. You will need potassium chromate and dichromate. It is easy to go between the two. You can add a base to the dichromate to make the chromate. It will go from orange to yellow. The trichromate can be produced. You will need nitric acid, potassium dichromate, and sodium disulphate. First, make a solution of sodium sulphate. Take a long test tube and the potassium dichromate to it. Add double the volume of concentrated nitri...
Many people ruin a good cigar by a badly placed cut. YouTube user Cigaraficionadovideo is here to help. First in order to understand the cutting mistakes you must first know how a cigar is put together. A hand made cigar is held together a the tip by, what is called, a cap. When cutting this cap you want to do it above the shoulder. Be carful here because a bad cut a little lower could result in the wrapper falling it apart can lead to a mouth full of tobacco which will pretty much ruin your ...
In this how-to video, you will learn how to make an animated optical illusion with paper. First, start off with one ball and copy it five more times so that it goes in a line to the corner. Make sure there are six balls in total. Next, create a striped pattern shown. There are black bars with small white lines in between. One white space equals one sixth of the black space. This is essential in making the illusion work. Once both patterns are printed out in separate pieces of paper, lay the p...
This video shows you how to create a continuous, daisy-chain necklace. The materials used include: size 11 rock eyes in yellow, red and purple, a toggle clasp , 9mm thread and a size 10 beading needle. Start by sewing on one half of the clasp, tying a knot to hold it in place. Be sure to leave the tail ends long enough to be able to re-thread it later with a needle to sew the tail ends. The video then shows the precise order in which the various beads are threaded through to produce a chain i...
Spice up your seafood stew with some Irish flair. The Irish aren't just good for producing good beer (Guinness), but they can cook, too. See how to make some delicious Irish seafood stew.
Chef Jason Hill shows how to use a grill box smoker. This box will turn your propane or gas grill into a temporary smoker. The box is used to hold wood smoking chips. Place the box over the burner to produce smoke flavored food.
If there was a way to make duct tape more desirable and distinct, would you do it? Well, what if there was a way to make duct tape glow? There is a way. Watch this science video tutorial from Nurd Rage on how to make duct tape glow with Dr. Lithium.
You've written the great American novel, and you want to make sure that your story stays yours. Register your copyright and preserve your intellectual rights. In this video, learn how to copyright produced material.
One of the hardest things you'll ever have to do in adulthood as a male is tie a tie. Neckties are one of the hardest things to teach and hardest things to learn. Tying a tie is so hard that the majority of men are picking up clip-on ties instead, despite their lack of maturity. If you want to learn how to tie a tie, this video tutorial might finally show you the ways. See what you've been doing wrong all of these years.
Eagle Lake Woodworking, hosted by John Nixon, offers great do-it-yourself guides for building your own furniture, especially in the American Arts and Crafts style, and turning your garage into an amateur woodshop. Search Eagle Lake on WonderHowTo for more carpentry tutorial videos. From Eagle Lake Woodworking on this specific lesson:
Modern milking parlors use machines, but milking a cow by hand is an ancient art. Here’s the "udderly" perfect way to do it.
Systm is the Do-It-Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. They will help you avoid pitfalls and get your project up and running fast. In this DIY episode, see how to create light with Mentos and Mountain Dew.
This is a 3 part video walkthrough of Chapter 6, "Getting Off the Athena" in the action first-person shooter, The Chronicles of Riddick: Assault on Dark Athena for the Xbox 360.
Everyone remarks upon the hands of the skilled pianist, but even the most dexterous keyboard artist couldn't pull off Schubert without using some fancy footwork.
Safe motorcycle riding requires knowledge and skill. Testing two-wheel vehicle operators is the best measurement of the skills necessary to operate safely in traffic because people often overestimate their own abilities.
Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimate the undead flesh of your deceased batteries and create a zombie battery.
I feel like doing a bit of chemistry today, how about you? To my knowledge, thermite is the hottest burning man-made substance. Thermite is a pyrotechnic composition of a metal powder and a metal oxide that produces an exothermic oxidation-reduction reaction known as a thermitereaction.
Night mode, which helps you snap great photographs in low-light environments, is a feature available only on the iPhone 11 and iPhone 12 lineups. It's a useful tool to have in your arsenal, especially if you're fond of nightlife photography. Still, you don't have to purchase a newer iPhone to get Night mode shooting capabilities.
With everything the last year has thrown at us, the odds are good that you've had to start working from home, complete with all-new challenges both for you and the technology you use.
There's a seemingly endless list of downsides that come with the coronavirus pandemic — ranging from canceled trips abroad and sunny days spent inside to limited communication with friends and family. But one of the undeniable upsides is that there's simply never been a better time to start your own online business since most people will be working from home for the foreseeable future.
Live Photos haven't caught on as much as Apple probably would like, but they're far from the gimmick that critics initially claimed they were — and things are only getting better as time moves on. Some aspects of the feature are somewhat hidden, however, and you need to find them to unlock Live Photos' full potential.
If you're considering purchasing Apple's new 2020 iPhone SE, which brings many modern components into the compact body of an iPhone 8, you should know what its dust and water resistance rating means. Just how dirty and wet can the iPhone SE get without breaking any functionality?
One of the scariest things about the COVID-19 virus is that you can show no symptoms but still be infected (and contagious). Naturally, we all want to know whether we're carrying the new coronavirus, but if you're showing signs of COVID-19, how can you be tested to know for sure? Websites are popping up to help with that, screening for symptoms, and directing you to a testing site if needed.
The triple camera system on the OnePlus 7 Pro is the best setup they've ever done so far, but it could always be better. The primary sensor packs a whopping 48 megapixels, but as history has taught us, megapixels don't equal better photos by default. In fact, with where we are in terms of hardware right now, it's the software that determines a phone's camera performance.
If you've blocked out your calendar to watch the NHL All-Star Game this weekend, then you might be excited to know that USA Today has given its readers the opportunity to meet Washington Capital's John Carlson in augmented reality.
