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(Encyclopedia) letters, in literature, written messages, ranging from those addressed to the public and those sent from lover to lover, to business letters and thank-you notes. The common quality…
(Encyclopedia) bicycle, light, two-wheeled vehicle driven by pedals. The name velocipede is often given to early forms of the bicycle and to its predecessor, the dandy horse, a two-wheeled vehicle…
(Encyclopedia) Bohr, Niels Henrik DavidBohr, Niels Henrik Davidnēls hănˈ rēk dāˈvēᵺ [key]Bohr, Niels Henrik David bōr [key], 1885–1962, Danish physicist, one of the foremost scientists of modern…
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