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19 ore fa · Diver looking at a shipwreck in the Caribbean Sea. Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1] The name scuba is an anacronym for "Self-Contained Underwater Breathing Apparatus" and was ...
19 ore fa · Brooches and armlets were used, but the most famous item of jewellery was the torc, a neck collar of metal, sometimes gold. The horned Waterloo Helmet in the British Museum , which long set the standard for modern images of Celtic warriors, is in fact a unique survival, and may have been a piece for ceremonial rather than military wear.
19 ore fa · According to Homer, Hephaestus built automatons of metal to work for him or others. This included tripods with golden wheels, able to move at his wish in and out the assembly hall of the celestials; [15] and servant "handmaidens wrought of gold in the semblance of living maids", in them was "understanding in their hearts, and speech and strength", gift of the gods.
