LifeReverb: Why we dig messy sound From concert-hall designers to pop record producers, everyone in the music industry knows we love reverb. But why, asks sound guru Trevor CoxFeatures
PhysicsDIY device to define the kilogram – using Lego Just in time for Christmas, instructions for a Lego watt balance, which can fix the official value of the kilogram, have been published ¿ìè¶ÌÊÓÆµ