Lighthouses and signal fires may have been the first social media. Without the ability to share language, a distant light meant "humans here." A new study from the University of California, San Diego, finds that bacteria can also send out a universal sign to attract the attention of their own, and other bacterial species.
Apple's MacBook line of laptops is quite famous for their extensive battery life, thanks to various technologies that Apple has utilized. However, all things must pass, and over time your MacBook's battery will degrade. Certain use scenarios can accelerate the degradation of the battery—from excessive usage to high temperatures to overloading the system—and this can all lead to the untimely obliteration of your battery.
In this Tutorial I will show you how you can use the frequency of letters to decrypt the famous Caesar cipher. I hope it is easy to understand and helpful for getting in touch with basic cryptanalysis. If you find any mistakes or have questions feel free to ask me. Finally I ask you to give me feedback which I will take into account for the next part.
Welcome back! In our last training session, we covered some advanced list topics. We'll be going deeper into the advanced list rabbit hole today with lambda and lambda operators! (And I'm not talking about Gordan Freeman)
Students have been passing notes in class for decades, so what's the big deal about sending a quick text message? Everybody does it, even your teacher was surely guilty of covertly communicating with his or her peers back when they were in high school.
Welcome back! In the last training session, we covered logical and membership operators. We're going to switch gears and expand our knowledge of lists.
Welcome back, my greenhorn hackers! As expected with Null Byte's dramatic growth over the last year, we have added many new aspiring hackers who are still lacking in the basics of networking. In addition, with the new "White Hat" certifications coming out shortly, the exam will require some basic networking skills and knowledge to pass.
As we're all aware, recon is vital to a successful hack. We need to know everything we can about the target in order to perform the best possible attack. Port scanning is a basic recon concept that is introduced very early in learning proper reconnoissance. The issue with port scanning is that is makes a lot of noise. Every connection to every port will be logged. This is where stealth scanning comes in. Also known as SYN or half-open scanning, stealth port scanning is a bit quieter, and is l...
NFC, or near-field communications, is a hardware feature that has been built into most Android phones for the last four years. It's essentially a low-power data connection that can be used to initiate a quick command by bringing your device within range of a compatible receiver, be it tap-and-pay with Google Wallet, a file transfer via Android Beam, or a Tasker profile triggered by a specific NFC tag.
You can find chili peppers in practically every cuisine. From the sweet Italian variety to the spicy Thai bird's chili and the smoky Mexican chipotle, peppers are ubiquitous and universally loved. But if you find the range and scope of these little fireballs overwhelming, you're not alone.
Mirror, mirror on the wall, who is the fairest of them all? Besides being one of the most notorious misquotes of all time (the line is "Magic Mirror on the wall, who is the fairest of them all"), it's a question that men and women probably have asked themselves more than once.
Welcome back, my novice hackers! It has become clear from some of your questions that quite a few of you are unfamiliar with the hexadecimal system, or simply, hex. The hexadecimal system is used throughout computing and if you have never studied this Base16 numering system, it may appear relatively opaque.
Your Nexus 5 comes with a pretty cool feature baked in called Android Beam. Using NFC, or Near Field Communication, this functionality allows you to send information to another compatible device by simply touching the two together. Most flagship devices have NFC built into them these days, so there is a broad range of devices that your Nexus 5 is capable of sharing information with wirelessly.
There are much better things that can go in your iPhone's status bar besides an always-on indicator displaying what carrier you're shelling out money to every month. While it would be nice to get rid of the carrier name altogether at the top of the screen, an even better option is switching it out with something else to better personalize your iPhone.
Welcome back, my budding hackers! One of the keys to becoming a professional and successful hacker is to think creatively. There is always a way to get into any network or system, if you think creatively. In previous tutorials, I have demonstrated ways to crack passwords on both Linux and Windows systems, but in this case, I will show you a way to get the sysadmin password by intercepting it from a Remote Desktop session.
Welcome back, my neophyte hackers! As part of my series on Wi-Fi hacking, I want to next look at denial-of-service (DoS) attacks, and DoSing a wireless access point (AP). There are a variety of ways to do this, but in this tutorial we'll be sending repeated deauthentication frames to the AP with aircrack-ng's aireplay. Remember, hacking wireless networks isn't all just cracking Wi-Fi passwords! Our Problem Scenario
Mens jeans come in a ridiculously broad range of styles and sizes, from form-fitting to huge and baggy. Different body types look better in different types of jeans, and this video will teach you how to determine what types of jeans are best for you body type.
This video talks about the principles of heaving to, which is nothing more than stopping your boat in the water with the sails fully up, without making the boat create much forward motion. There are multiple reasons why you would want to heave to, and one is when the seas are getting rougher and the winds are becoming too strong to safely continue sailing. Watch to learn more about these situations and to see diagrams of everything.
Everyone loves Scrabble, but not everyone knows how to play the game properly. Yes, there is a set up rules that come with each game, but who actually wants to read them? Isn't it better to learn from a more visual approach? This video will teach you the basics of gameplay.
If you want to create a Pareto Chart for categorical data in MS Excel you should first have your data input into Excel already. From your data, you should highlight the cells that you want to count the frequency for and in the frequency box you should type in =COUNTIF and highlight the data you want the frequency for and put in F4 and then press , click on cell to the left and click enter. Now this will work all the way down. If you have not sorted it, you can right click and then click sort....
This photoshop tutorial demonstrated by Howard from tutcast.com, teaches you how to do amazing glow effects for your work and projects. Everything you need to know from the background you choose to use to editing out the leftovers. You can use any image that you choose to. Start out with the pen tool located on the toolbar on the most left of the screen. Create the initial layer for the glow by clicking now on the new layer icon located on the bottom right. Next, define brush by pressing the ...
You're a committed environmentalist but you love your candles. What are you to do? Did you know that you can recycle your candles? There's bound to be stuff left over. Just watch this video and learn!
Identify the proper time to throw a knee kick. If you are grappling with an opponent, look for an opening where you can knee-kick him in the ribs or side of the thigh. If an opponent is trying to tackle you around the waist or take you down by grabbing your legs, introduce his face to your knee. If the opponent is standing in front of you and there is not enough room to throw a fully extended kick, grab him and try a knee.
Is your waffle iron collecting dust? Plug it back in and use it like never before by whipping up a batch of brownies.
If your old clothes are of high quality and in good shape, selling them on consignment is an easy way to make cash quickly.
A good party guest should live by this motto: Ask not what the party can do for you, but what can you do for the party!
Check out this woodworking video from Eagle Lake Woodworking. Learn how to build a table saw crosscut and miter sled by watching this five-part series.
Increase your odds of meeting Mr. Right with these tips. Learn how to meet men if you are single. You Will Need
Watch this how to video and discover why induction cooktops are the hottest trend in the kitchen. These Home & Garden tips will help you decide on an induction stove that is right for you kitchen.
The Paslode Framing Gun is operated by a gas cartridge and battery so an air compressor is not needed. The tool also has a large range of nails available for different job requirements from 50mm To 75mm. Watch this video tutorial for a demonstration on how to use a Paslode impulse framing nail gun.
Do it yourself: extend your WIFI signal. This is a quick and easy way to get more range for pennies.
In this lesson we will learn how to solve probability problems involving a spinner. A probability measures the likelihood of a certain event. It always ranges between 0 and 1. The following formula can be used to find the probability of a particular event:
Learn how to perform this lateral crossover skip drill in order to maintain a full range of motion.
In this video tutorial, viewers learn how to use physical exercises to help hit golf balls farther. Begin by using a weighted golf club and swing it several times a day. This will help build muscles and golf muscles. It will strengthen the users swing. Swing the weighted golf club slowly. With a regular club, take multiple swings. Golf muscles are quick-twitch muscles that help golfers develop speed and flexibility. Users can also use two golf clubs to swing. This video will benefit those vie...
Learn how to put together outfits for back-to-school. 1. Pick your wardrobe items from a semi-trendy store (Gap, JC Penny, Bakers, etc.). 2. Match the items based upon body style and individual tastes. 3. Jeans are easily matched with various blouses/shirts. 4. Layer your clothing for added look and feel. 5. Pick shoes that are comfortable to wear and add a little height if you're short. 6. Pick neutral colors for maximum versatility. 7. Mix and match items so it gives the perception you have...
Barre chords are a type of guitar chord where one or more fingers are used to press down multiple strings across the guitar fretboard (like a bar pressing down the strings). Learn how to play barre chords with this help of this guitar tutorial. Watch this how to video and you will master barre chords in no time.
From Smart Web Printing to recyclable HP inkjet cartridges, it's never been easier to be environmentally conscious.
When you're sharing a printer, dealing with cables and networking can be a hassle. Having a printer with built-in wireless or using a wireless conversion kit for standard printers, allows easy sharing of your printer with multiple computers.
Print what you want, how you want. While browsing, choose the content you want then edit and print exactly what you see on your screen..
Build a kiteboard in multiple steps. This is a construction video that uses boat and epoxy techniques to perfect the product. BE SURE TO CLICK ON EVERY CHAPTER TO SEE EVERY STEP OF THIS PROCESS!