At the start of the film above Dujon plays a steady beat on the drum kit. Here’s how the different parts of the kit work together. The snare drum produces a loud ‘crack’ sound with a higher ...

In other words, drums with different shapes can sound the same, so the answer to Kac's question is “No”. The Stanford team has now exploited this fact in its method for extracting quantum phases.

Their new Urban Beats kit features high-quality poplar ... Each comes fully equipped with Remo drum heads for “a powerful sound”. Neat features that keep the Urban kit's bulk down include ...