Concepts Search Results

How To: Build an Evasive Shell in Python, Part 1: Introduction & Concepts

Hello, everyone. Stealth is a large part of any successful hack; if we don't get noticed, we're much less likely to be caught. In these next few articles, we'll be building a shell based on keeping us hidden from a firewall. There are many ways to stay hidden from a firewall, but we'll only be incorporating a couple into our shell. This article will outline and explain these evasion concepts and techniques.

How To: Master weight and balance concepts with NASA

Join NASA (National Aeronautics and Space Administration) as they give the basics on the concepts of weight and balance as applied to aerospace. There's no better place to learn about aviation theory than NASA, the United States government's most infamous agency--the powerhouse of space exploration.

How To: Draw with basic concepts and techniques

In this video, we learn how to draw with basic concepts and techniques. To shade with different pencils, you will start out by doing a light touch on the pencil and then push down harder to create a darker shade. Use different pencils to get long and wider lines from the shading. A 4B and a 6B pencil will have lines that look the same, but they are different in the way they apply graphite to the paper. Practice using all of your pencils to get an idea of how they write, then you can choose wh...

How To: Patent an Idea (Creating and Selling Your Concepts)

Want to know how to patent an idea, but you just don't know how to go about doing it? It doesn't take a lot of money to get a provisional patent. The real thing you want to know is the process of taking an idea that you have all the way up to getting it patent. I will take you through each step from the beginning when you have that great idea all the way to getting your invention marketed.You Need an Idea (Obviously)Your idea doesn't have to be earth changing. It just needs to be something pe...

How To: Learn the basics of liquid dance

Here's an approach to different concepts within liquid through one of the foundational concepts- the handflow. You can use the handflow as a gateway of learning many other liquid dance concepts. Note: Be sure to click on Chapter 2 (A continuation of using the handflow as a gateway to several liquid concepts) and Chapter 3 (Another section of exploring several liquid concepts through the handflow) to watch the full liquid dance tutorial.

How To: Solve math problems using proportions

Proportions or ratios are fundamental concepts of mathematics. A proportions is an equation that states that two ratios are equal. Hence proportion can be written in two ways as a:b=c:d or a/b=c/d. In these equations a and d are called as extremes and b,c are called as means. So when working with proportions we can state that product of the means is equal to the product of the extremes i.e. a*d = b*c. This is obtained by cross multiplying the second form of proportions. In mathematics you are...

How To: Program with Python

Welcome to Google's Python Class – a seven-segment, two-part free virtual class for people with a little bit of programming experience who want to learn Python. The class includes written materials, lecture videos, and lots of code exercises to practice Python coding. The first exercises work on basic Python concepts like strings and lists, building up to the later exercises which are full programs dealing with text files, processes, and http connections. The class is geared for people who ha...

How To: Create a crazy ketchup packet water bottle experiment

This video displays a very interesting experiment or magic trick involving the concepts of density and buoyancy. You will need an empty plastic bottle with its label removed, some water, and a ketchup packet. Using the concepts of pressure and density, this video demonstrates an interesting experiment which can also double as an interesting party trick; by squeezing a full water bottle, you can cause the ketchup packet to rise and sink in the bottle at your whim. This video is an interesting ...

How To: Add fractions with unlike denominators using the lcd

Fractions can be tough, but in truth, they're one of the easiest concepts to understand in math. Figuring out fractions is the last thing you really have to worry about in math class, unless you have a horrible teacher, then you might want to check out this video tutorial to help you learn how to add fractions with unlike denominators, including how to find the LCD (lowest common denominator).

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