A few years ago Hackaday featured a laminar project which recently inspired [Kurt] to create his own. His goal is to create a computer controlled night time light show synchronized with music. The ...

Evaluating the performance of 3D printers and component upgrades is a more difficult than it may seem at first glance, and subjective observations can lead to incorrect conclusions. To objectively ...

Frequent flyers, air crew and those living near runways will tell you that noise pollution is not only a terrestrial phenomenon: it can come from air traffic too. At over 180 decibels, aircraft engine ...

Innovative Products of America's new High-Flow Digital Meter Nozzle allows accurate records of fuel usage while transferring common fuels, monitoring volume in real-time. Safe to use on gasoline, ...

An iterative method outlined by Green & Southwell (1944), but not applied in their paper for the reason that it makes no use of 'relaxation methods', is here applied to determine the supersonic regime ...