I opted to go to UC Berkeley because at the time, its computer science program was the highest rated in the country. I was very happy to move out and finally be on my own. In the fall of 1989 I moved to Berkeley and lived in the freshman dorms. Then things got weird. Judas While...
In the first of the essays ("Space War", Astounding Science-Fiction, Aug 1939), Willy Ley, a very knowledgeable man who had been involved with the German rocket program, proved to my satisfaction that warships in space would carry guns, not missiles, because, over a certain small number ...
【做计算 找华算】01-XRD-Intro.pdf,Introduction to X-ray Powder Diffraction (prepared by James R. Connolly, for EPS400-002, Introduction to X-Ray Powder Diffraction, Spring 2007) X-Ray Analytical Methods X-rays were discovered by W.C. Röentgen in 1895,
Introduction to Businessis designed to meet the scope and sequence requirements of foundational business courses. The textbook presents business principles and emerging trends in fields including management, leadership, production, marketing, and finance. Through this content, students will acquire the knowl...
Which leads to some oddities, since some weapons just do not fit. For instance, many science fiction novels feature "laser rifles" even though such weapons have zero rifling since they shoot coherent light instead of bullets. FIREARM A firearm is a portable gun (a barreled ranged weapon) ...