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 finish your homework or 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 write a formal analytical proof of the quadratic formula.
If you're reading this, you're likely a tech-savvy coding pro whose analytical talents are mostly applied to designing apps, cracking passwords, and infiltrating networks — all of which are admirable activities for both aspiring and seasoned white hat hackers. But there are other profitable ways that you can put these types of skills to use, namely in the world of investment and trading.
This quick lesson helps a student of palmistry give an accurate reading for a subject who has a very long hand, especially if the heart line lies low on the palm. Learn the palmistry principles which indicate an analytical and mathematical person.
Text adventure games, such as the well-known Zork series, were some of the first computer games ever made, second only to the likes of Spacewar! and the better-known Pong. So let's travel back in time for a moment, to a time that never was.
It's nearly impossible not to be at least somewhat familiar with Microsoft Excel. While it's needed for many office jobs and data analysis fields, hackers could also benefit from improving their spreadsheet skills. Many white hats already know some of the essential Excel hacks, such as cracking password-protected spreadsheets, but there's so much more to know from an attack standpoint.
In today's data-driven world, being well-versed in Big Data and analytics can help land an exciting and high-paying career. Whether you're interested in working for a major tech company or pursuing freelance work in development, you need to have a thorough understanding of the latest and greatest platforms in analytics if you want to succeed.
More and more tech-savvy leaders are flocking to the lucrative and exciting world of project management thanks to the high-pay, analytical environment, and nearly unparalleled flexibility. But this means that competition for the best positions in this dynamic field is fierce. If you want to stand out from the crowd, you're going to need to have more than a few base-level certifications on your résumé.
Few things are more important than search engine optimization when it comes to increasing a brand's visibility online. Regardless of whether you're launching a new business from scratch or working as a marketing professional at a major corporation, you need to ensure that you're drawing the most people to your website and affiliate links by utilizing the latest and most powerful SEO tools and methods.
You don't need to work as an executive at Google to understand and appreciate the importance of large-scale data analytics in today's world. Whether you're interested in joining the ranks of a major tech firm or want to improve your company's marketing campaigns through consumer analysis, knowing how to work with large sets of complex data is paramount.
We're living in the age of Big Data. As the primary force behind everything from targeted marketing campaigns and online search algorithms to self-driving cars and even space exploration, massive sets of complex data stand at the heart of today's most exciting and important innovations.
Ever wish you could see in the dark? Well, you can't but this how-to will show you a way to build a device to help you out. You will need light polarizors, a flashlight, and a digital camera. Make an infrared night vision device, just follow along with the steps in this video tutorial. Now you can see at night!
No website, service, or platform is immune to being abused or exploited by hackers, and Google Analytics is no exception. To better understand how Google Analytics can help deliver payloads and bypass security protocols, one might want to learn how to use Google Analytics from a user's perspective first.
Few things are more important than being well-versed in data analytics and interpretation when it comes to succeeding in today's increasingly data-driven world. As a data scientist, these skills are the key to a high-paying career. For hackers, there's no better way to defeat the enemy than to become the enemy.
So you've got an AppleTV, but you can't watch half the stuff you want because it won't play it. Well, do you have a jailbroken iOS 4.2 device? Sweet! Just follow along with this video, and pretty soon you'll be watching any sort of video you want in no time at all.
This video narrates and explains how to figure out how to install an unknown device using the device manager. The first step is to access the device manager through the control panel/system. Once in device manager you must select the show devices options. Once the device menu is visible you then find the unknown device section and copy the name of the device driver. The next step is to open Google search engine and paste the unknown device ID name. After the search is complete you will see ma...
The Droid Bionic was rooted the same day it came out with the one click method used to root the Droid 3. This tutorial will walk you through the process of rooting Motorola's Android device so that you can unlock the full potential of Verizon Wireless's flagship device.
If you haven't bought a new iPhone or iPod Touch since the 3G and 2G models of those respective devices, iOS 4 has probably been a major problem for you. It slows down those devices mightily, but there is a solution. This video will show you how to adjust some basic settings in your phone or MP3 player to make it run the new operating system faster and allow you to keep enjoying you device as you have for years.
Whether you're the proud owner of a brand new Apple iPad or are merely considering picking one up, you're sure to appreciate this video tutorial, which presents a complete overview of how to use the mobile device's user interface. For more information, including detailed, step-by-step instructions, watch this iPad user's guide.
You can easily share and transport your photo and videos on the Canon EOS 7D by using the wireless file transmission option. See exactly how sharing and downloading your files to computers and other devices works in this video. When the digital SLR camera is combined with the WFT-E5A Wireless File Transmitter, transmitting is easy.
In this how-to video, you will learn how to perform basic circuit bending. You will need a screw driver, alligator clips, solder, a soldering iron, wires, a wire stripper, a button or switch, and a drill. Open up the device you want to circuit bend. Once the side of the board with the solder points is exposed, take your alligator clips and find two solder points that make an interesting noise. Be careful of areas where the battery is connected, as you might shock your self or destroy the devi...
This video tutorial from iDeviceTutz shows how to change the SSH root password for iPhone or iPod.When iPhone or iPod is jailbroken it sets its password to default - alpine.Thus your device becomes vulnerable from a network attack that could steal your information or identity. So you need to change your password as soon as possible when your device is jailbroken.For this you'll need Mobile Terminal program on your device and SSH client (Cyberduck or WinSCP) on your computer.First download and...
Spider-Man hits the iPhone, iPod Touch & iPad! In Ultimate Spider-Man: Total Mayhem, you take control of Spidey, slinging webs and fighting crime. No longer do you have to stick to comic books, you can enjoy Spider-Man right from your Apple mobile device.
In this video tutorial, viewers learn how to import media from devices in Corel Video Studio. Begin by connecting your mobile device to the computer. It can be any device with a memory card or hard drive. Open the program and click on the Capture tab. Click on the option, Import from Mobile Device and select the device that you want. Select the file(s) that you wish to import and click OK. The program will then import the media to your selection window. This video will benefit those viewers w...
USB devices are ubiquitous and cheap nowadays, which means they make great raw materials for hacking and electronics projects. This video will show you how you use a USB host shield to hack USB devices and use them with MIDI controllers, game controllers, and other devices.
In this video tutorial, viewers learn how to put their iPod device into recovery mode using Z-Phone. The Z-phone application does not work on 1st generation iPod devices. Begin by unplugging the device from your computer. Then hold down the power and center button until the device\s screen goes completely black. Now hold the center button as you connect the device back to your computer. Finish by following the process in iTunes to restore the device. This video will benefit those viewers who ...
If your Windows PC has been running rather slow lately and you're not sure why - you may have unknown devices taking up space and energy. Check out this tutorial for details on how to detect and disable unknown devices in Windows Device Manager.
The beyourownit shows you how to remove and reinstall devices in Windows XP. The first thing he shows what to do is Right click on the My Computer icon and select properties then select then choose the hardware TAB. When you click on the Device Manager button, the Device Manager will appear where you can make changes to your computer. The user explains more to help you understand better. If you watch this video, you will find out how to reinstall devices in Windows XP.
Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to track a USB device.
This video, incredibly short for it's massive content, will teach you how to make a laser tripwire that, combined with a photoresistor, can trigger just about any device. You can make traps, alarms, awesome party decorations, and all sorts of other awesome things with this easy-to-make device, provided you have a soldering iron and a local electronics store to buy some parts.
In these days of mobile technology, losing your iPhone or iPod Touch is almost worse than losing your car keys. It becomes one of the most frantic searches you've ever had to endure. But you can relax now, because you can use Apple's Find My iPhone, iPad or iPod Touch service to locate your lost device.
An accelerometer is capable of detecting how the device is being moved by the user, a feature which can add an extra level of functionality for an application which knows how to take advantage of it. This video explains several different methods for incorporating the presence of an accelerometer into your mobile content.
In this Electronics video tutorial you will learn how to use Bluetooth connectivity to share cell phone files. You are not hacking in to other people's phones as you need their permission to access their phones. You can change ringtones and pictures or share them with your friends. For this both people have to have Bluetooth on. Go to options > Bluetooth > visibility > shown to all. Now go back to Bluetooth and make sure it's ON. Now select 'paired devices'. The same steps have also to be fol...
In this video you will learn how to setup a Bluetooth mobile phone in OS X. To do this go at system preferences select Bluetooth click on Discoverable, Open Bluetooth Setup Assistance and Show Bluetooth Status in the menu. Then click Sharing and mark all the options. Now go at devices, select set up new device, mark mobile phone, click continue, wait until the device will find your mobile device, click continue and you will get a pass key. Enter that passkey. A window will pop-up where you ca...
An incredible amount of devices use Bluetooth or Bluetooth Low Energy to communicate. These devices rarely have their radios switched off, and in some cases, are deliberately used as trackers for lost items. While Bluetooth devices support MAC address randomization, many manufacturers do not use it, allowing us to use tools like Bettercap to scan for and track Bluetooth devices.
With the growing list of products Apple offers, the number of devices connected to your Apple ID can get quite extensive. Having all those devices connected to your Apple ID helps you keep track of them, but when it comes time to part ways with an Apple TV or Apple Watch, those devices can still be attached to your Apple ID. In some cases, this could affect the overall security of your account.
Before you purchased your smartphone or tablet, the device had already embarked on quite a long journey. From product development to manufacturing, your Samsung Galaxy device had already developed a rich history prior to your ownership.
While the Play Store has a plethora of apps available for finding lost Android phones, Google came out with its own web-based application, Google Device Manager, earlier this year to help you keep track of all your Android devices and remote lock, erase, ring, and track if need be.
Android smartphones have all sorts of connectivity chips built in, including Bluetooth, Wi-Fi, GPS, NFC, and mobile data. But what about AM or FM radio, two of the most common methods of wireless communication?
In this clip, you'll learn how to use the free Device Doctor app to update your device drivers. It's easy! So easy, in fact, that this home-computing how-to from the folks at Britec can present a complete overview of the process in just over five minutes. For more information, including step-by-step instructions, take a look.
In this how-to video, you will learn how to update your iPod Touch and iPhone to the OS 3.0 firmware. Make sure you have the latest version of iTunes and the firmware copy. Also, backup the contents of your device before proceeding. In iTunes, check for update in the device screen. Next, hold shift and click restore. Navigate to where your firmware is and select it. This will give you an update screen. Once finished, you will have to setup your device again. You can select your backup if you ...
