PhysicsFortified gas marbles are 10 times stronger than regular bubbles Bubbles reinforced with an external layer of particles can hold their shape under pressure – which may help in making stronger foams and in drug delivery 51¶¯Âþ
TechnologyInside knowledge: Why we'll never know everythingOur brains are a glorious, uproarious complex mess – and that's just one reason why we'll never achieve ultimate enlightenment about realityFeatures