An alert brain on test day requires you to take care of your physical body first. Check out these exam-day tips.

Learn what you need to know before you begin your journey on the AWS certification path.

En este vídeo vamos a ver cómo y dónde se utilizan los interruptores de nivel de líquido en los sistemas de refrigeración industrial con amoníaco. Veremos las partes principales, las aplicaciones y la tecnología que contienen.

Grundlagen der Kreiselpumpe - Funktionsweise von Kreiselpumpen Funktionsprinzip hvacr Kreiselpumpe - In diesem Video lernen wir die Grundlagen von Zentrifugalpumpen bzw Kreiselpumpen kennen, was die Hauptteile von Kreiselpumpen sind, wie...

Liquid Level Switches. In this video w're going to be looking at how and where liquid level switches are used within ammonia industrial refrigeration systems. We'll look at the main parts, the applications as well as the technology...

Centrifugal Pumps - In this video we learn the basics of how centrifugal pumps work, the main parts of centrifugal pumps, how the electrical motor powers the pump impeller and how the impeller moves water in the HVAC system.

Circulating pump and heating pumps explained. In this video we look at circulating pumps used in hot water and heating systems to understand the main parts as well as how they work. We cover applications of circulating pumps, why...

Learn the history of the 23rd amendment in an engaging video lecture by Social Studies teacher Keith Hughes aka HipHughes. In this informative 7 minute lecture we look at the history of Washington DCs struggle to get voting...

The 22nd Amendment of the US Constitution explained for students and life long learners.

My teacher stab at explaining the argument for the 14th amendment being used in relationship to the Debt Ceiling. "An educated citizenry is a vital requisite for our survival as a free people." ~Thomas Jefferson

Perfect for APGOV students, Political Science kids, High Schoolers and especially cray cray on the internet. In this lecture we look at what linkage institutions do and the four examples of them for test day!

A call to action. Lets follow the lead of Matthew Inman who in an essay on his blog, "The Oatmeal",

Article VI of the US Constitution explained -- The Supremacy Clause, debts and oaths. Continuing the Constitution for Dummies Series with Article VI, better known as the Supremacy Clause. Explained simply so you can understand the...

Find out why I call Thomas Paine's "Common Sense", the "Book of Duh" and I relate to a colonial Oprah. Seven arguments from Paine detailing why we need to leave Great Britain HipHughes walks you through the basics of the first declared...

The first in the "Constitution for Dummies" series. A simple, straightforward reading of the Preamble of the United States Constitution with a little bit of chuckle and context. The Constitution Explained Series. 48 Videos, 6.5 Hours...

Brush your history with a quick overview of the 1862 Homestead Act, one of Abraham Lincoln's crowning legislative achievements.

A quick overview of the 1786-1787 event known as Shay's Rebellion. Perfect for students of the Social Studies, lifelong learners and the Cray Cray on the internets.

An essential case for students of US History and law as well as the reliable cray cray on the internet, McCulloch vs Maryland helps to define Federalism as well as the elastic clause. Let HipHughes takes something as dull as cardboard...

Join me as we take a look at a pivot strike in US History, the Pullman Strike of 1894. Perfect for inquisitive learners, students of the social studies and the cray cray on the internets.

Dive deep into the Red Scare to explore the 1919/1920 Palmer Raids where we take a look at the conditions which led up them, the actual raids themselves and the effects on the nation. Perfect for students seeking a way out, life long...

A summary of the Conservative ideology with a emphasis on the difference between social & economic views.

Children form STEAM teams that work on fascinating real-world problems, design solutions, and then pitch their ideas to others. They build skills in articulating points of view, embracing others’ ideas, and finding new ways to collaborate.

STEAM Teams include scientists, tech experts, engineers, artists and mathematicians who solve real-world problems, knowing there is always more than one right answer. In this video, children modify everyday objects that could be used in...

Our brains like questions, movement, and visual exercises. In this activity, students will research and illustrate how the brain works when actively engaged in finding and solving fascinating problems.