October 2012 IssueGearHow to build a Rubens’ tubeBy Sam ScottBusinessHow to build a handlebar bike-hangerBy Tom CheshireBusinessAvalanche! How lasers and wind tunnels make mountains saferBy Ekow EshunScienceAll-round performerBy Jeremy KingsleyGearHow to make your own wind tunnelBy Madhumita VenkataramananBusinessCrazy for kittehs: the quest to find the purring heart of cat videosBy Gideon Lewis-KrausCulturePhotographer uses analogue techniques to create stunning geometric effectsBy Charlie BurtonScienceCognitive neuroscientist seeks to understand teenage brainsBy Madhumita Venkataramanan
