保罗·尼普可夫获得德国电视发明专利。他在电视技术中采用硒光电管和机械扫描盘。
Paul Nipkow obtains a patent in Germany for TV, using a selenium cell and a mechanical scanning disk.
南安普顿大学的可持续能源研究小组在设计新型涡轮叶片和选址方面进展良好。
Work on designs for the new turbine blades and sites are well advanced at the University of Southampton's sustainable energy research group.
负责南安普顿研究的 AbuBakr Bahaj 说：潮汐流的能源前景比风能要好得多，因为水流是可预测和恒定的。
AbuBakr Bahaj, in charge of the Southampton research, said: The prospects for energy from tidal currents are far better than from wind because the flows of water are predictable and constant.
应用推荐