ChemistryExtra-hard hexagonal diamonds can now be grown in a lab Hexagonal diamond up to 60 per cent stronger than normal diamonds could be used to create super-tough drilling and cutting tools for industrial applications 51¶¯Âþ
ChemistryMetals can be squeezed into sheets just a few atoms thick Sheets of bismuth, gallium, indium, tin and lead can now be made just a few atoms thick by crushing them at a high temperature and pressure between two sapphires 51¶¯Âþ