For Chopsticks In Chinese is pronounced KuaiZi, which sounds like soon to get a son.
因为筷子在汉语中读作“Kuaizi”,听起来很像“快得儿子”。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段,即每秒1420兆周的精确无线电频率。