OCR Text |
Show Roaring Sun I ) The sun is great roaring fur. nace. We see it but cannot I ear it because noise is conveyed t,ny by waves in matter, such ns air or liquids or solids. Light is con. veyed through a non-ma: rial "something" called the ::l!(!r which seems to be everyv re Between us and the sun is no ma terial substance, so sound c ianot pass to us, only light. Incidentally, we may remark that if sound could come to ;m, as light does, from the sun, wo :, iouid all be permanently deafenoj. |