Bohr’s atomic model was utterly revolutionary when it was presented in 1913 but, although it is still taught in schools, it became obsolete decades ago. However, its creator also developed a ...

The Atomic Theory of Origami. ... For example, Lang said, the model assumes the origami can be made to fold flat even with defects, but in reality, defects can prevent the sheet from flattening.

For example, Lang said, the model assumes the origami can be made to fold flat even with defects, but in reality, defects can prevent the sheet from flattening. The analysis also doesn’t incorporate ...

Chemistry 301: The Development of the Atomic Theory. Season 1 Episode 301 | 21m 19s. The terms theory and model are defined, and students learn how a theory remains valid. Aired 01/03/2002 | Rating NR ...

As soon, for example, ... The prevailing theory of atomic structure, which we owe so largely to Prof. Bohr himself, might be characterised as “the central orbit theory.” ...