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Hace 4 horas · The vast majority of North America’s lakes endure the effects of wildfire smoke for more than 30 days annually, a new study has found. Harnessing maps and satellite data to visualize how smok…
Hace 22 horas · A nymph (Ancient Greek: νύμφη, romanized: nýmphē; Attic Greek: [nýmpʰɛː]; sometimes spelled nymphe) is a minor female nature deity in ancient Greek folklore.Distinct from other Greek goddesses, nymphs are generally regarded as personifications of nature, are typically tied to a specific place, landform, or tree, and are usually depicted as maidens.
Hace 22 horas · History Pre-industrial era Elevator design by the German engineer Konrad Kyeser (1405). The earliest known reference to an elevator is in the works of the Roman architect Vitruvius, who reported that Archimedes (c. 287 BC – c. 212 BC) built his first elevator probably in 236 BC. Sources from later periods mention elevators as cabs on a hemp rope, powered by people or animals.
