TechnologyTechnology’s future isn’t gleaming, it’s dirty and biological We’ve always thought of tech as conquering nature, but the climate crisis is changing everything – not least what future advances will look like, argues Annalee Newitz Comment
TechnologyCoated paper holds secret messages that can be erased with a hairdryer When paper with a special manganese-based coating is printed with water, the message is only visible in UV light – and it can be erased with a hairdryer News