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How To: Rational and Irrational Numbers

Rational numbers can be written as a fraction or as a/b. The "b" in a/b cannot be zero because you can't divide by zero. an example is 1.5. 1.5 can be written as 3/2/ Irrational numbers are numbers that can't be written as a fraction. A famous irrational number is pi. You can use this as a subject if you're a math teacher. Here is a video to help understand.

How To: Apply Line Strokes in Xara Web Designer 7 Premium

Web Design Tutorial for Xara Web Designer to help you learn how to apply line strokes to objects. Our web design tutorials are geared toward complete beginners although each web design tutorial will go deeper into helping you understand how to use the Xara Web Designer software. Line strokes a beneficial because it allow you to give objects in your web design space a unique look. In this web design tutorial I will experiment and show you some of the different variations of patterns that can b...

How To: Use the Shape Tool in Xara Web Designer

In this web design tutorial learn how to use the shape tool. In This Web Design tutorial for Xara Web Designer you will learn how to create straight and curved lines and smooth and cusp joins. Also this Xara Tutorial covers deleting and breaking nodes apart on a given line. The shape tool will allow you to make custom shapes and objects to give your website a creative boost.

News: Why Nikola Tesla's Wireless Power Was Fated to Fail Due to Exploding Airships

Nikola Tesla is one of the most tragic figures in the history of science, a history that is practically filled to the brim with tragic figures. Francis Bacon, a 16th century philosopher and scientist, caught pneumonia and died because he was trying to stuff snow into a dead chicken. Marie Curie died as a result of her long-term exposure to radioactivity, and her papers from the 1890s are too radioactive to touch without protective gear to this day.

How To: Expand Your Analytical & Payload-Building Skill Set with This In-Depth Excel Training

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.

Video: Automate a Camera's Path with the HoloLens and VroomCam

Every day the young world of mixed reality is creating new ways for people to work with with computers. We are looking for, and finding, new ways for these head-worn computers to understand what we tell them. Sometimes it is with our hands, sometimes it is where we turn our head, sometimes it is what we say. In the case highlighted below, it's where we walk.

News: Jobs & Salaries in Cyber Security Are Exploding!

In an article published in early-2015 by Peninsula Press, it was reported that the demand and the salaries for cyber security professionals are exploding! They cite that 209,000 cyber security jobs were unfilled last year, and that job postings have increased over 74% in the last 5 years. Job opening are expected to grow by another 53% over the next 3 years. You are definitely in the right field, my tenderfoot hackers! Some researchers are expecting information security jobs to continue to gr...

Hack Video Games, Part 1: Introduction

Hello, fellow hackers. I'm sure we've all seen it somewhere: the undying question of "How do I hack the game so-and-so?" And the answer usually is, "Come back when you actually know how to hack!" But how does one even go about "hacking" a game? What could that even mean?

How To: Intubate a patient (endotracheal intubation procedure)

ER showed the world what goes on inside the emergency room, and in every episode, we experienced a common but very important procedure— intubation. But ER never made it seems easy; it showed just how hard it is for medical students to successfully intubate a patient due to fear and naivety. And for real-life doctors and medical practitioners, learning the art of airway management is just as difficult.

How To: Perform a general chest exam on a patient

There's no better way to learn then by visual media, and that's what makes this video lesson on performing a chest exam so great. It's perfect for any future doctor, and great for nursing students to understand the proper procedure for examining a patient's chest. Medical students can easily learn how to perform a general chest exam, because ever step and technique is outlined and shown. A chest examination is very important to determining what's wrong with your patient, and you will be able ...

How To: Perform a musculoskeletal exam on a patient

Whether your training to be a doctor or a nurse, there is no doubt that this video lesson will help you better understand the procedure for musculoskeletal examinations. Musculoskeletal exams rely exclusively on inspection and palpation and tests using a combination of those techniques. The main purpose of this exam is to identify in your patient any signs of musculoskeletal disease, by way of pain, redness, swelling, warmth, deformity, and loss of function. Watch this video to see the entire...