Centuries: 18th century - 19th century - 20th century
Decades: 1790s 1800s 1810s 1820s 1830s - 1840s - 1850s 1860s 1870s 1880s 1890s
Years: 1838 1839 1840 1841 1842 - 1843 - 1844 1845 1846 1847 1848
Arts, Sciences, Literature and Philosophy
... tends to focus on processing techniques (casting, rolling, welding, ion implantation, crystal growth[?], thin-film deposition[?], sintering, glassblowing, etc.), ...
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