Before a spectrometer can do any useful work, it needs to be calibrated to identify wavelengths correctly. This is usually done by detecting several characteristic peaks or dips in a well-known light ...

Amp Genie is an automatic home audio receiver controller that starts home audio systems the moment any audio source is played ...

Print textbooks have serious competitors from digital texts, podcasts, audiobooks and video. The medium – and how each is used – can affect how much students learn, as Naomi Baron explains Digitally ...

UA's biggest Volt interface makes recording drums or full bands a breeze with some neat workflow-enhancing touches ...