Search Result For copper
The day Chilean miners were rescued – level 3
13-10-2010On August 5, 33 Chilean miners became trapped 670 meters underground...
The day Ötzi was found – level 3
19-09-1991In the warm autumn afternoon of 1991, two German tourists, Helmut...
The day the first undersea cable was laid across the Atlantic – level 1
05-08-1858On August 5, 1858, people connect North America and Europe with...
The day the first undersea cable was laid across the Atlantic – level 2
05-08-1858The first undersea telegraph cable was put across the Atlantic on...
The day the first undersea cable was laid across the Atlantic – level 3
05-08-1858The first undersea telegraph cable was laid across the Atlantic on...
