PROBLEM TO BE SOLVED: To dispense with a bearing groove provided around the circumferential edge of an opening of a high pressure vessel and solve the inconvenience of entering of water and contamination therein by providing projections around the outer circumferential edge of a cover pivotally ...
But my mind was already in revolution; my guesses and impressions were slipping and sliding to a new adjustment.I had now a clue to the import of these wells, to the ventilating towers, to the mystery of the ghosts; to say nothing of a hint at the meaning of the bronze gates and ...
Only in some historical moments do they emerge: one of these occasions is the pandemic era; when global time is accelerated by a natural phenomenon (the virus evolution), social institutions (policy, health systems, educational systems, economics) try to run as quickly as possible to slow down...
Predictive Maintenance: it is able to predict when a problem will occur in the future. Since the first industrial revolution, the predictive maintenance branch has increased companies’ and scientific community’s interest in an exponential way [4]. Predictive Maintenance monitors the real status of...
Team Prince shot the $7.2-million feature in the Minneapolis environs that had nurtured him and his Revolution band (Wendy Melvoin and Lisa Coleman) and pals, including scene-stealer Morris Day and The Time. The Purple One stars as a loose version of himself, a striving multi-talented ...
4 It was not until after World War II and long after the Flexnerian revolution of medical education (when medical schools began to affiliate more closely with universities) that the tenure system, developed originally for faculty in the arts and sciences, was coopted by medical schools. Places...
As he worked out the equations for his general theory of relativity, Einstein realized that massive objects caused a distortion in space-time. Imagine setting a large object in the center of a trampoline. The object would press down into the fabric, causing it to dimple. If you then attempt...
Their method of time-and-motion study provided a systematic means of identifying and analyzing the number of movements and the amount of time needed to complete a specific task. Motion Study (1911) was the first important publication of their research. Lillian switched the focus of her graduate...
Inventors and Inventions of the Industrial Revolution 7 of History's Most Notorious Serial Killers Ten Days That Vanished: The Switch to the Gregorian Calendar How Do Deserts Form? Why Do We Drop a Ball on New Year’s Eve? 14 Tough Questions Answered ...
This results in new and sometimes substantial adjustments in the tentative theory causing the so-called scientific revolution. This is a well-known process described by historians and philosophers of science long ago (specifically by Popper, Kuhn, and Lakatos) (Figure 1a). In the history of ...