How To: Find the mean and standard deviation
Mean and standard (or normal) deviation may be hard to understand at first, but with the help of this handy little guide from the pros at Exam Solutions you will be up to speed in no time.
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How To: Install software in Ubuntu Linux
This video shows you how to install software in Ubuntu Linux. The presenters in the video are Chris Del Checcolo and Ricky Hussmann.
How To: Understand the central limit theorem
Central limit theorum is easily one of the most fundamental and profound concepts in statistics and perhaps in mathematics as a whole. In probability theory, the central limit theorum (CLT) states conditions under which the mean of a suffiently large number of independent random large variables (each with finite means and variance) will be normally distributed, approximately. Huh? If you are having trouble understanding central limit theorum and need help trying to solve it, check out this tu...
How To: Send video via email with your Motorola Droid
Phil from droidboards.com demonstrates how to send a video file by email using a Motorola Droid. Before capturing the video make sure to change the settings on the Droid to optimize the quality of the video for distribution by email or MMS as shown in the video. This is essential to keep the video file to a smaller size as possible. Next after shooting the video select the video file using a file manager and send it via email as indicated. This allows you to instantly share videos shot on you...
How To: Use a metal detector to uncover hidden bounty
Treasure may be buried as close as your own backyard. If you have some time to kill, try the art of treasure hunting. You’ll be sure to discover lots of interesting thing after learning how to use a metal detector to look for treasure.
How To: Exploring Kali Linux Alternatives: How to Get Started with BlackArch, a More Up-to-Date Pentesting Distro
In 2013, Offensive Security released Kali Linux, a rebuild of BackTrack Linux derived from Debian. Since then, Kali has gone on to become somewhat of a standard for penetration testing. It comes preconfigured with a collection of tools accessible by a menu system, tied together with the Gnome desktop environment. However, Kali Linux isn't the only penetration-testing distribution available.
How To: Understand mean and standard deviation
Keith M. Bower explains the meaning of mean and standard deviation. This educational video gives insight in the basics of statistics. The relations between population mean and sample mean and between population standard deviation and sample standard deviation are explained. The mean gives an idea on the central tendency. Standard deviation gives an idea about how spread out the data are. Keith also explains how these two parameters, the joint sufficient statistics, define a normal distributio...
How To: Recycle computers
There are 133,000 PCs become disused DAILY! That's an absurd amount of electronic waste - let's learn how to stop it!
How To: Sideload & Install Open Source iOS Apps on Your iPhone Using MacBuildServer—Without Jailbreaking
Apple is widely known for keeping a tight grip on iOS, disallowing open-source and third-party downloads. While there are many reasons for this, the three most frequently referenced are quality control, malware prevention, and of course—money.
How To: Select the right LiPo battery for an RC vehicle
If you call yourself a hobbyist or a kid at heart, you know that remote-controlled vehicles are more than just fun. If you're a serious R/C man, you'll know all about doing everything to your model truck or car, like fixing wheels, vamping the pinion gears, waterproofing, troubleshooting, electronic diagnostics, setting up, programming and finally... racing. As much as you know about these remote-controlled vehicles, it will never be enough, you'll always be looking for more...
How To: Share your Outlook distribution lists
Let's talk about how to share your Outlook Distribution Lists with others. This is so simple it's not even funny. If you have distribution lists and you want to send them to others, simply include them as attachments in your email to them. Once the recipient gets your email they'll drag and drop the attachment to their contact folder in Outlook.
How To: Hack a crawling hand gag into a cat massager
Take an electronic crawling hand gag used during Halloween and turn it into a massager for your cat.
How To: Learn Everything You'll Ever Need to Know About IoT
The Internet of Things (IoT) is changing everything in our homes and at work, from security systems and lighting fixtures to smartphones and speakers. An estimated 50 billion devices are now hooked up to IoT.
How To: Use Gmail's New Confidential Mode to Send Private, Self-Destructing Emails from Your Phone
Back in July, Google rolled out a new design for the web version of Gmail. The rollout included new features alongside the visual changes, one of which being Confidential Mode. This new privacy-centric feature has now finally arrived on the mobile app version of the service, and here's what you need to know.
News: Transformers Really Are More Than Meets the Eye in New Movie Tie-in AR App
Just as the Transformers animated TV series of the '80s were basically half-hour commercials for toys, a new Transformers AR app for iOS similarly functions as a promotion for the latest installment in the film franchise.
News: OnePlus 5T Comes with Bezel-Less Display, Face Unlock, Upgraded Camera & More
OnePlus surprised the mobile industry last year when it revealed the OnePlus 3T in November, an improved version of the OnePlus 3 that came out just months earlier in June. While many thought this was a fluke, history has repeated itself with the arrival of the OnePlus 5T.
How To: Set Up Kali Linux on the New $10 Raspberry Pi Zero W
In five short years, three generations of ultra-low-cost Raspberry Pi devices have challenged the boundaries of what a person can do with a $35 computer — especially with Kali Linux.
AutonomouStuff: How a Small Company Punching Above Its Weight Is Accelerating Driverless Car Development
Ask anyone that works on the development of driverless vehicle technology and there is a very good chance that AutonomouStuff will have supplied something to their project.
How To: Create Bootable USB with Persistence for Kali Linux
Recently I was trying to install Kali Live on a USB drive with persistence and struggled to find a tutorial online that was simple and actually worked. After some trial and error I figured out how to do it correctly and decided to make an article for anyone who is experiencing the same difficulty I did. You will need an USB with at least 8GB. Mine is 132GB, nice and large.
How To: The End of the World Survival Guide: Staying Alive During a Global Cyber War
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.
How To: Download Tons of Free eBooks Online for Any eReader Device
Remember those old vinyl records? Remember jumping on the 8-track bandwagon? Switching over to cassette tapes? How much money you spent converting your music collection to compact discs? To MP3s?
News: Magic Leap, Intel Bring Augmented Reality Cinema to SXSW
In the late nineteenth century, the advent of the motion picture wowed audiences with a new storytelling medium. Nearly a century and a half later, augmented reality is establishing a new frontier in film.
Market Reality: Apple, Snap, & Google Execs Talk AR, Form Takes AR to the Pool, & Octi Pivots to AR Social Networking
Some of the leading big tech companies are still working in the lab on actual products, but at least some of their leadership did have some thoughts to share on the future direction of the technology this week.
News: Apple Just Released iOS 13.2 Developer Beta 2 for iPhone, Introduces New Emoji
While most users are on iOS 13.1.2, you have the option to run something a bit newer. We're talking about beta testing, specifically iOS 13.2. Apple released the first developer and public betas for 13.2 last Thursday, Oct. 3. Now, the company is doing it all over again, with the release of iOS 13.2 developer beta 2.
Market Reality: Microsoft Debuts HoloLens 2 AR Clones, Samsung Posts Smartglasses Patent, & Intel Depth Cams Get Cheaper
The longer it takes Apple, Snapchat, Facebook, and other tech giants to build their own version of augmented reality headsets and smartglasses, the longer runway of practical experience Microsoft gains with the HoloLens and its sequel. The latest example: AR cloning.
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: Adobe Boosts Its 3D Content Creation Capabilities with Allegorithmic Acquisition
Already a powerhouse for its graphic design tools, Adobe is making a run at the 3D content creation realm dominated by Unity and Epic Games by acquiring software maker Allegorithmic.
News: PayPal Patents Point to Big Plans for Augmented Reality E-Commerce on Smartphones & Smartglasses
With all the recent activity around augmented reality, the possibilities involving immersive computing and commerce are quickly becoming obvious, and digital payments giant PayPal has no plans to sit on the sidelines
Market Reality: Upskill Fields Funding, Leap Motion Faces Lawsuit & Intel Confronts Challenges of AR Adoption
Augmented reality business followers, we've got good news and bad news. First, the good news: Upskill closed another round of funding, this time led by strategic investors Cisco and Accenture. (Well, this is probably bad news if you're competing with them on the enterprise AR front.)
Market Reality: This Is How AR Is Changing Things at Amazon, Apple & Snapchat
During its third-quarter earnings call, Apple CEO Tim Cook said that "AR is going to change everything."
Brief Reality: View Your Home Before Building & Build Cities in Your Home with These ARKit Apps
To revise a line from the Blues Brothers, when it comes to ARKit apps, we've got both kinds — home utilities and games. As such, two more candidates for each category have made their way to the app store.
News: Google Glass Enterprise Edition Open for Business
Perhaps in tribute to the season premiere of Game of Thrones, Google Glass is demonstrating that what is dead may never die, as Alphabet's X (formerly Googlex) has revealed that the Enterprise Edition of the smart glasses are now available to businesses.
News: If You're a Verizon Customer, This Recent Leak May Have Exposed Your Private Information
It seems like there's a cyber security scare every day. Consumers are growing increasingly concerned about the safety of their accounts, and they have reason to be. Hackers will maliciously attack you anywhere — and we mean anywhere — they can to get your private information.
News: Tiny Cameras for Your Next Phone Could Be Here Sooner Than You Think
Researchers have created a possible replacement for traditional camera lenses, using an "optical phased array" to function as both a lens and sensor of a camera.
News: Jaguar Land Rover & Gorillaz Send Potential Employees on a Mixed Reality Mission
Aspiring engineers, your challenge, should you choose to accept it, has been issued by Jaguar Land Rover.
News: Who Has the Best Camera of Them All? HTC U11 Apparently
The Google Pixel was just knocked off its pedestal as DxOMark Mobile's best smartphone camera, courtesy of the HTC U11. Ouch ...
News: Treating Stomach Problems May Bring C. Diff Infection Back
Having a Clostridium difficile infection means stomach pains, diarrhea, fever, and loss of appetite, and if the symptoms weren't bad enough, the disease often reoccurs. Now, new research has found an increased risk of recurrence in people who take medication to treat their stomach acid, gastroesophageal reflux disease, peptic ulcer disease, or stomach discomfort.
Proof of Concept: Music Everywhere Uses HoloLens to Help Piano Students Learn Improvisation
Students from Carnegie Mellon University's Entertainment Technology Center have been working on an augmented reality system to help teach music in a project called Music Everywhere.
News: Silent Facebook & Messenger Server Update Brings Fast Draining Battery with High Temperatures
Many Android users woke up on January 10 to discover that their phone's performance took a nosedive overnight. Battery life is draining fast, overall performance has been sluggish, and devices seem to be overheating for no apparent reason. Not to worry, this isn't happening because of something you did.
News: Control a Synthesizer with the HoloLens to Make Music in Mixed Reality
In the world of analog synthesizers, hitting a key, twisting a knob, or sliding a fader makes a beautiful musical (or not so musical) sound and can be an amazing and downright satisfying experience. Now it's about to get even more satisfying, if you add Microsoft's HoloLens into the mix as a means to twist those knobs virtually instead.