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Animal echolocation, non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate. Human echolocation , the use of sound by people to navigate. Sonar ( so und n avigation a nd r anging), the use of sound on water or underwater, to navigate or to locate other watercraft, usually by submarines.
Swedish soldiers operating an acoustic locator in 1940. Acoustic location is a method of determining the position of an object or sound source by using sound waves. Location can take place in gases (such as the atmosphere), liquids (such as water), and in solids (such as in the earth).
Botanical illustration of Antennaria plantaginifolia (1913). Antennaria plantaginifolia is rarely more than 15 centimeters (5.9 in) tall, consisting of a basal rosette, and an erect stem which bears the inflorescence, a tight flat topped cluster of 4 to 17 fuzzy flower heads composed exclusively of disc flowers, with no ray flowers.
Tobacco used in the early day consisted of the inner bark of red dogwood — Indians on all reservations called it 'red willow.' An informant removed the outside bark of a twig with her thumbnail and noted that the remaining layer of bark when carefully shaven off served as tobacco, so-called kinnikinnick.
The Ohio Senate may side with the House to override Gov. DeWine's veto of a law that would preempt municipal control of flavored tobacco. Columbus ban on flavored tobacco begins Jan. 1 as state ...
After Columbus, Ohio banned the sale of menthol cigarettes on Jan. 1, the state legislature voted to strip cities of their ability to regulate tobacco. Doctors are outraged.
An Ohio law prohibiting cities from banning the sale of flavored tobacco products is unconstitutional, a judge has ruled. The state is expected to appeal the ruling issued Friday by Franklin ...
Nicotiana glauca is a species of flowering plant in the tobacco genus Nicotiana of the nightshade family Solanaceae. It is known by the common name tree tobacco.Its leaves are attached to the stalk by petioles (many other Nicotiana species have sessile leaves), and its leaves and stems are neither pubescent nor sticky like Nicotiana tabacum.