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A strong magnet placed near the voice coil (which produces heat) will attract cold ferrofluid more than hot ferrofluid thus pushing the heated ferrofluid away from the electric voice coil and toward a heat sink. This is a relatively efficient cooling method which requires no additional energy input.
Gilboa tree fossil ()Gilboa Fossil Forest, New York, United States, is a petrified forest and one of the oldest known forests. [1] [2] Located near the Gilboa Dam in Schoharie County, New York, the region is home to tree trunks from the Devonian period.
This term is typically found in creationist publications. [1] [2] This term is typically applied to "fossil forests" of upright fossil tree trunks and stumps that have been found worldwide, i.e. in the Eastern United States, Eastern Canada, England, France, Germany, and Australia, typically associated with coal-bearing strata. [3]
In the Amazon region, Libidibia ferrea has extensive use in popular medicine, known mainly as "jucá", being indicated to treat several health conditions, in the form of teas and infusions to treat bronchopulmonary conditions, diabetes, rheumatism, cancer, disorders gastrointestinal, diarrhea; in addition to topical treatment of wounds and bruises. [6]
Larix lyallii, the subalpine larch, or simply alpine larch, is a deciduous, coniferous tree native to northwestern North America. It lives at high altitudes, from 1,500 to 2,900 meters (4,900 to 9,500 ft), [3] in the Rocky Mountains of Idaho, Montana, British Columbia, and Alberta. There is a disjunct population in the Cascade Range of Washington.
A tree here may grow over 23 m (75 ft) in height in just 5 years. From above, the forest appears as an unending sea of green, broken only by occasional, taller "emergent" trees. These towering emergents are the realm of hornbills, toucans, and the harpy eagle. [1] Generally, biodiversity is highest in the forest canopy.
Around 96 per cent of pine trees and 70 per cent of juniper shrubs revealed blue rings from 1902 and 84 per cent of trees and 36 per cent of shrubs from 1877. “In general, we found more blue ...
Fossil wood, also known as fossilized tree, is wood that is preserved in the fossil record. Over time the wood will usually be the part of a plant that is best preserved (and most easily found). Fossil wood may or may not be petrified, in which case it is known as petrified wood or petrified tree.