Word: scratch
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...pretension of closure: It is a tradition, even in advanced courses, to start teaching the material from first principles so there is a chain of proof from the physical postulates to the most complicated formulas derived in the last lecture. However, starting from scratch does waste time so that the difficult and important material must be crammed into as few lectures as possible...
...more impressive considering the obstacles its program has faced over the years. The U.S. and the Soviet Union originally used military-rocket technology to get a head start on scientific launches. But Japan's constitutional curbs on military activity forced its rocket scientists to start from scratch, and tight government budgets have not helped. In the current fiscal year, for example, Japan has allocated some $1.07 billion for space, about 10% of the U.S. figure. And launches are limited to only 90 days a year, half in winter and half in summer, because tuna fishermen near the space center claim...
FORTUNATELY, Harvard does have some potential solutions already in place. Thus far, though, they haven't begun to scratch the surface of the problem...
That is, you will if you're an unfortunate first-year student. The fact is that the enforcement of the poster-gum standard is incredibly capricious. The students in my dorm are paying for every nick and scratch, while one senior who pasted checkered wall-paper all over her bathroom got off scot-free, just like another senior who says he left his coffee pot on during winter break...
...blasts, but he doubts that the U.S.S.R. could have worked in the other direction, deducing the secret of Mike's construction by studying its debris. Teller and others believe that the late Andrei Sakharov, who built the Soviet H-bomb, was clever enough to have invented the device from scratch, without the help of Fuchs or anyone else...