March 2014 IssueBusinessTim Berners-Lee on the Web at 25: the past, present and futureSciencePimp your ride's OSGearTested: ten cable-free speakers reviewedCulture8,000 pencils represent 100 years of architectureBusinessTested: Four USB DAC headphone amplifiers reviewedGearTested: Best music streaming services reviewedScienceSecure your 3D printing files with this scrambling softwareScienceSix hot stem cell trends happening nowBusinessMusician's sequencers conjure compositions from random noiseScienceHow to restore Battersea Power Station (with lasers)GearHow to apply Kanban thinking at workBusinessFold-away factory fits in your suitcaseCultureBurlesque dancer 'flies' with illuminated dressGearHow to grow glowing bacteriaBusinessRussian ship smashes ice sailing sidewaysBusiness'Smart toilets and sewer sensors are coming'SecurityOlympic tricks: the key to slopestyleBusinessHao Li wants to scan you into your favourite gamesCulturePortal's cake is no longer a lie thanks to Daniella ZelliScienceThe Big Question: 'How do we advance Earth's exploration?'GearHow to increase your frequent-flier milesScienceThis is how your brain sees the Tube mapScienceWhat's inside the 'Department of Seaweed'? SculptureScienceSkyscraper braves earthquakes with giant steel beamsMore Stories