This might look like the cut-stick project of a small child, but in fact this image visualises the noise that a helicopter makes as it tears through the air. Really. Yes, that sounds a little crazy, but it’s made possible by the fact that as those rotors punch through the atmosphere, they set up a [...]
This might look like the cut-stick project of a small child, but in fact this image visualises the noise that a helicopter makes as it tears through the air. Really. Yes, that sounds a little crazy, but it’s made possible by the fact that as those rotors punch through the atmosphere, they set up a [...]