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Dr. Thomas’ Eclectric Oil was a widely used pain relief remedy which was sold in Canada and the United States as a patent medicine from the 1850s into the early twentieth century. [ 1 ] [ 2 ] Like many patent medicines, it was advertised as a unique cure-all , but mostly contained common ingredients such as turpentine and camphor oil .
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In an electric power system, a fault or fault current is any abnormal electric current. For example, a short circuit is a fault in which a live wire touches a neutral or ground wire. An open-circuit fault occurs if a circuit is interrupted by a failure of a current-carrying wire (phase or neutral) or a blown fuse or circuit breaker .
Active electrolocation is practised by two groups of weakly electric fish, the Gymnotiformes (knifefishes) and the Mormyridae (elephantfishes), and by Gymnarchus niloticus, the African knifefish. An electric fish generates an electric field using an electric organ, modified from muscles in its tail. The field is called weak if it is only enough ...
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The abilities of the electric fish to communicate and identify sex, age, and hierarchy within the species are also made possible through electric fields. EF gradients as low as 5nV/cm can be found in some saltwater weakly electric fish. [27] Several basal bony fishes, including the paddlefish (Polyodon spathula), possess electroreceptors.
DVDs are only one of a number of ways of viewing home video. Home video is recorded media sold or rented for home viewing. [1] The term originates from the VHS and Betamax era, when the predominant medium was videotapes, but has carried over to optical disc formats such as DVD and Blu-ray. In a different usage, "home video" refers to amateur ...