The basic problem has been to control and quench or extinguish the high power arc, which necessarily occurs at the separating contacts of a breaker when opening high current circuits. Since arcs ...

But how can you prove it? How can you show the world that you’re a singular cut above the rest of humankind, capable of never-before-seen feats of amazement? Break a world record, that’s how. And it ...

Ms Clinton said she had broken a glass ceiling of her own by becoming the first woman to win a major party nomination for president. “When a barrier falls for one of us, it clears the way for ...

We would like to use cookies to collect information about how you use ons.gov.uk. We use this information to make the website work as well as possible and improve our services.