PEOPLE who walk everywhere get plenty of exercise and help the environment. But now they have... electricity you can make.The boots are being released (发布) during the UK festival season, when people ……

PEOPLE who walk everywhere get plenty of exercise and help the environment. But now they have... electricity you can make.The boots are being released during the UK festival season, when people ……

of electricity are seen everywhere.Currently, most countries rely on coal-burning power plants... knows for sure what the years ahead will look like when it comes to electricity, but if solar power ……

of electricity are seen everywhere.Currently, most countries rely on coal-burning power plants... for sure what the years ahead will look like when it comes to electricity, but if solar power ……

create electricity. Researchers hope this technology can open new possibilities for the future home... everywhere, patients (病人) may have better experience.What if your smartphone or laptop started charging (充电 ……

. You can find it everywhere in life. What is solar energy? How do we use it? Let’s have a look... solar power into heat and electricity. Solar energy will *never run out in billions of (数十亿) years ……

— without electricity. That’s because it’s too expensive to put up power lines in the mountain areas... their art in cities hundreds of miles away. But without electricity — at home or on the road, they can ……

— without electricity. That’s because it’s too expensive to put up power lines in the mountain areas... their art in cities hundreds of miles away. But without electricity — at home or on the road, they can ……

on September 28. Nearly everywhere was without power and it took 18 hours for the electricity system ……

will be like.Helping us to save energyHow much water, electricity and gas do you use in a day? In a green... everywhere. We’ll grow vegetables on the roof. Our garden will cool the house in the summer ……

energy is clean and useful and you can find it everywhere. What is solar energy? How do we use it? Let... change solar power into heat and electricity. In the 1830s, the British scientist John Herschel ……

Not happy? Come on and beat (打) up this light. Then it’s on. It doesn’t need electricity (电). You give it power. ……

Not happy? Come on and beat (打) up this light. Then it’s on. It doesn’t need electricity (电). You give it power. ……

Let’s enjoy our bath by listening to the radio! This radio doesn’t need electricity (电). Water makes it work. Cool! ……

Q: What's the difference between electricity (电) and lightning(闪电)?A: You don't have to pay for lightning. ……