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2012-06-19 23:47:36

Vast differences in cycling cultures have been found in UK cities; for some cycling is a traditional transport accessible to all while for others it is a new edgy, urban subculture according to recent findings from a research project funded by the Economic and Social Research Council (ESRC).

2012-04-30 13:20:26

Evidence that a Florentine merchant house financed the earliest English voyages to North America.


Latest Bristol Reference Libraries

28_5f496c15049ba89cd8c43810810e311e
2005-05-26 11:32:33

Chalcocite, copper(I) sulfide (Cu2S), is an important copper mineral ore. It is opaque, being colored dark-gray to black with a metallic luster. It has a hardness of 2½ - 3. It is a sulfide with an orthorhombic crystal system. Chalcocite is sometimes found as a primary vein mineral in hydrothermal veins. However, most chalcocite occurs in the supergene enriched environment below the oxidation zone of copper deposits as a result of the leaching of copper from the oxidized minerals. It is...

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Word of the Day
chomage
  • Stoppage; cessation (of labor).
  • A standing still or idling (of mills, factories, etc.).
The word chomage comes into English from French.]
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