What’s inside The Hoover Dam?

Innovating to zero! | Bill Gates

I’m going to talk today about energy and climate. And that might seem a bit surprising, because my full-time work at the foundation is mostly about vaccines and seeds, about the things that we need to invent and deliver to help the poorest two billion live better lives. But energy and climate are extremely important […]

Human Eye | #aumsum

Our topic for today is Human Eye. The human eye is one of the most valuable sense organs that enables us to see the world around us. Let us study about the different parts of an eye. Sclera is a tough outer coat that protects the entire eyeball. Choroid is a vascular layer of the […]

Forging a Hydroelectric Future

[music] Dorothy Harris: Machining, welding, pipefitting, cleaning, oiling. A hydromechanic is everything but electrical. We balance. We rotate. We take apart. We put together. And that’s just the beginning. [music] In the United States Navy, I spent 16 years as an aviation metal smith. Heavy structures was my specialty. I got out, wandered the globe, […]

Resources: Welcome to the Neighborhood – Crash Course Kids #2.1

[Intro] You’ve probably noticed by now — in your years of being a human — that human beings need a lot of stuff to live: food, water, shelter, YouTube. Well, maybe not that last one. So where does all of this stuff come from? Why, it comes from our very own Earth! We live on […]

Solar Energy Facts & How To Save Money On Your Energy Bill

Solar Energy Facts & How To Save Money On Your Energy Bill Important facts about solar energy, and why you should strongly consider implementing this form of renewable enrgy in your home. Contrary to what many people think, Solar Energy doesn’t have to be expensive – you can actually set up your solar power system […]