Energy can have many forms, heat, motion and electricity being the most familiar to us. An interesting observation is that most of the ways we have found to obtain useful energy from the environment involve the emission of heat as a by-product. What if we could turn that waste useful?
TuKoKe is a competition aiming to inspire children and youth in science and engineering activities. By giving participants the chance to get feedback on their scientific work and meet other like-minded young people, it opens a world of endless opportunities. We had the chance to interview one of this year’s winners, Meija Xu, and ask about her research on health and green tea.
LEDs. We’ve all heard about them. In our TVs, in our computer monitors, and in our homes. It’s a word we hear often – but do we really know what it means?
We sent Vitória Barim Pacela, our light emitting diode correspondent, to find out how LEDs revolutionised our world’s light