EverBrite Review: Does this Solar Outdoor Light Work?

Everbright is a solar-powered motion-activated super-bright LED outdoor light. It’s advertised on television. It mounts outside of your home. It stays dimly-lit throughout the night at about fifty percent power. When someone walks in front of the motion sensor then it goes to a hundred percent power for about 10 seconds. There’s a couple of […]

Quem descobriu a eletricidade? [+16] ( subtitled )

Welcome to Entretenimentos Diversos. Let us know how electricity was discovered! Have you ever wondered how today’s society discovered electricity? Not? So let’s know this and other curiosities! Attention: The video is for informational purposes only! The electricity: It is a reference for phenomena derived from the presence of electric charge flow, such as: electrical […]

Why SpaceX is Making Starlink

This episode of Real Engineering is brought to you by Brilliant, a problem solving website that teaches you to think like an engineer. On the 24th of May, SpaceX launched a Falcon 9 rocket filled with 60 satellites into space. This marked the beginning of their ambitious new project called “Starlink” which aims to provide […]

The Fixies English – Grandpus: How can we save electricity? | Videos For Kids

Everyone can probably remember walking into an empty room with the lights turned on. Or finding a TV on that nobody’s watching. One little light or TV might not seem like much, but just imagine how many people are living on this Earth! Well if everybody forgot to turn off the lights or TV when […]

What Is Electricity? | 1945 | Educational Film

Electricity is one of our most faithful servants it gives us light It starts our cars has unlimited aviation circle lobe with entertainment it cooks, and refrigerates our food these represent few of the innumerable applications of electricity electricity at work but what is electricity and where does it come from to answer these questions […]

Professor Libai Huang – Efficiency of Solar Cells

Welcome to the Huang Laboratory at Purdue University. In our laboratory, we build special video cameras to record movies of how electrons move. Why do we care about how electrons move? Because how far and how fast these electrons move in a solar cell determines its efficiency. The difficulty comes from the electrons have a […]

The Electric Deck of Cards

This looks like a deck of cards, it feels like a deck of cards, and it even handles like a deck of cards. But this little gadget has a very shocking secret. In this project, you’ll see how Stuart Edge, was able to give these lucky ladies, an electrifying first kiss. For this project, we’re […]

Three Phase Electricity Basics and Calculations electrical engineering

Hey there, guys. Paul here from TheEngineeringMindset.com. In this video, we’re going to be learning more about three phase electricity. We’ll cover how three phases are generated, how we get two voltages from a three phase system, what do cycle and hertz mean, where the sine wave comes from, and how to calculate the voltages. […]