TechnologyNFTs seem both a capitalist stunt and a great tool for digital art Non-fungible tokens could be a game changer for digital art, but it is hard to tell how much of it is just a financial stunt, writes Annalee NewitzComment
TechnologyA hydrogen fuel revolution is coming – here's why we might not want it Hydrogen is widely touted as a green fuel for everything from cars and planes to heating homes. But all too often it has a dirty secret Features