So, this is exactly how Rutherford did discover that these particles were present and made this new model for the atom that we now know has both a nucleus, and we know the size, and also has electrons.

他提出了一个,新的原子模型,这里面有一个原子核,和一个电子，原子核的尺寸是知道的。

麻省理工公开课 - 化学原理课程节选

And the answer has to do with ratios and string sizes and lengths of pipe and things like that, but generally speaking, pitches that are right next to each other--very close to each other--are dissonant.

答案和比率以及弦乐器的尺寸和管乐器的长度等有关，但是总的说来，音调是相关联的，非常近。

耶鲁公开课 - 聆听音乐课程节选