ChemistryThe science behind tempering chocolate A reluctant Catherine de Lange tries tempering for the first time and discovers how to make gloriously glossy chocolate to decorate a cake with Regulars
PhysicsLiquid crystals could improve quantum communication devices Quantum light is key to futuristic quantum technologies, but researchers have been creating it in the same way for 60 years – now liquid crystals offer an easier way to produce it ¿ìè¶ÌÊÓÆµ