摘要:
Many strange new means of transport have been developed in our century, the strangest of them being perhaps the hovercraft. In 1953, a former electron 阅读全文
摘要:
This is a sceptical age, but although our faith in many of the things in which our forefathers fervently believed has weakened, our confidence in the 阅读全文
摘要:
From the seventeenth-century empire of Sweden, the story of a galleon that sank at the start of her maiden voyage in 1628 must be one of the strangest 阅读全文
摘要:
It is animals and plants which lived in or near water whose remains are most likely to be preserved, for one of the necessary conditions of preservati 阅读全文
摘要:
May people in industry and the Services, who have practical experience of noise, regard any investigation of this question as a waste of time; they ar 阅读全文