Ultrawide-bandgap semiconductors—such as diamond—are promising for next-generation electronics due to a larger energy gap between the valence and conduction bands, allowing them to handle higher ...

James Bond's mission is to find out who has been smuggling diamonds, which are not re-appearing. He adopts another identity in the form of Peter Franks. He joins up with Tiffany Case, and acts as ...

Since De Beers, the world’s leading diamond company, ingeniously announced that “diamonds are forever” in the 1940s ... Subscribers to The Economist can sign up to our new Opinion ...