Wind power has been rising significantly in recent years, and now accounts for about 8% of the world’s energy production. By the end of the decade, it will be the second-largest renewable source after ...

If you follow news about climate change, you’ve probably seen the term “primary energy”. This phrase refers to the raw energy in fuels and natural resources – the energy content of oil in a barrel, ...

Have you seen that scene from Star Wars where Yoda uses the force to lift the spaceship out of a swamp? Its energy is so powerful, but what exactly is it made of? That’s what Ela, aged ten from ...