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Ground shaking can be caused in various ways (volcanic tremors, avalanches, large explosions, etc.), but sh ...pecially important as certain conditions, such as unconsolidated sediments in a basin, can amplify [[ground motion]]s as much as ten times. ...

...iments, and proposed ''[[Line of force|lines of forces]]'' to describe it. In 1834, [[Emil Lenz]] solved the problem of the direction of the induction, a ...pages=11–34 |issn=0353-765X}}</ref> In 1856, he published his first paper in electromagnetism: ''On Faraday's Lines of Force''.<ref> ...

...many forms for a variety of materials. Screws might be inserted into holes in assembled parts or a screw may form its own thread.<ref>{{harvnb|Oberg|Jone ...xgZ2AC&pg=PA200 | page=200}}</ref> Screws with a left-hand thread are used in exceptional cases, such as where the screw will be subject to [[Clockwise#T ...

...47.jpg|alt=|thumb|[[Leonardo da Vinci|Leonardo]] wrote aerodynamic studies in a notebook eventually titled <nowiki>''</nowiki>[[Codex on the Flight of Bi ...e |date=14 August 1964 |volume=145 |issue=3633 |pages=667–673 |doi=10.1126/science.145.3633.667 |pmid=14163799 |s2cid=21604946 }}</ref> and [[information tech ...