Energy & Electricity in Science : How Does Solar Energy Work?

Hi, I’m Steve Jones, and I’m going to explain how solar energy works. Now, solar means sun, so we know that the energy is coming from the sun, and we might think it comes as heat or whatever. In fact, we get all kinds of energy from the sun, but it is all radiation. Remember, […]

Energy & Electricity in Science : How Does an Electric Circuit Work?

Hi I’m Steve Jones and I’m going to explain how an electric circuit works. Well first of all we have to remember that there are certain things which conduct electricity which we call conductors and there are others which don’t conduct which are called insulators. Now conductors and insulators you must know the difference between […]

How to bring affordable, sustainable electricity to Africa | Rose M. Mutiso

So right now, nearly one billion people globally don’t have access to electricity in their homes. And in sub-Saharan Africa, more than half of the population remain in the dark. So you probably all know this image from NASA. There’s a name for this darkness. It’s called “energy poverty,” and it has massive implications for […]


Hi everyone produce electricity from the solar energy we shot about a month ago The second one is with your friends System Rule about 1 month I didn’t pull the plug in any way, and it worked perfectly well I keep using it with solar energy I want to show my system You will see […]

Are Electric Cars Really Green?

Do electric cars really help the environment? President Obama thinks so. So does Leonardo DiCaprio. And many others. The argument goes like this: Regular cars run on gasoline, a fossil fuel that pumps CO2 straight out of the tailpipe and into the atmosphere. Electric cars run on electricity. They don’t burn any gasoline at all. […]

Reduce Electricity Bill | 3 KW On Grid Solar System Delhi | Working | Costs | Appliances | ROI

My name is Pradeep Kumar Gupta. I am a mechanical engineer by profession. In 1983, I started a company called Nutan Engineers Pvt. Ltd. We started out with very limited resources. We started out by installing LPG Cylinder Manifold Systems. And gradually kept diversifying towards industry utility systems. There is a plant in Goa by […]

Energy & Electricity in Science : How Does Optical Fiber Work?

Hi I’m Steve Jones and I’m going to show you how an optical fiber works. In England we spell fiber bre and I know in America ber. First of all looking at a more traditional thing this is a solid prism of glass. A prism triangular in this case, 45 degree, 90 prism of glass. […]

Energy & Electricity in Science : How Does Electricity Light Up a Bulb?

Hi, I’m Steve Jones and I’m going to tell you how electricity lights up a bulb. Well, the bulb doesn’t really light up unless there is a coating on it, it is the filament inside which lights up and the filament is made usually of something called tungsten which is a very hard material and […]

How Solar Energy Is Converted To Electricity Through Solar Panels

Sunlight is made up of tiny packets of energy, called photons. Every minute, enough of this energy reaches the earth to meet the world’s energy demand for a whole year. Photovoltaic panels consists of many solar cells, these are materials made like silicon, one of the most common elements on earth. The individual cell is […]

Life Without Electricity: Surayati’s Story

My name is Surayati Soh. I’m 19 years old. I live in Kampung Terubing. I live here with my family. There’s my uncle, father, mother, and siblings. My mother asked my father to look for a land for us to farm. My whole family moved here to farm. In the morning we travel to the […]