How much do you know about helicopters? Here is an interesting article that reminds that if we need to achieve something but don't really know how to get it done, we should listen to those who do--or pay the consequences. This is especially true in the world of acoustic design.
Leo Beranek and the Helicopter Manual
"Leo Beranek is one of the most outstanding acousticians of our time (an
acoustician is one who gives professional advice to architects on the
geometry and finishes of auditoriums, conference rooms, conference
centres, lecture halls, and so on)."
