conch wiki:
>For other uses, see Conch (disambiguation). See text The genus Strombus is made up of the true conches (pronounced "Konk") in the family Strombidae. A conch is a sea creature, a mollusk, and more specifically, a marine gastropod. Still, it should be noted that many other gastropods have common names using conch, such as the Horse Conch (Pleuroploca gigantea).
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squid wiki:
>For the open-source web proxy cache, see Squid cache; also see Squid (disambiguation) SQUIDs, or Superconducting Quantum Interference Devices, are used to measure extremely tiny magnetic fields; they are currently the most sensitive such devices (magnetometers) known, with noise levels as low as 3 fT·Hzâ½. Some processes in animals produce very small magnetic fields (typically sized between a nanotesla and a microtesla (1000 nT) â a typical fridge magnet is one hundred microtesla), and SQUIDs are well suited to studying these. Magnetoencephalography (MEG), for example, uses measurements from an array of SQUIDs to make inferences about neural activity inside brains. Because SQUIDs can operate at acquisition rates much higher than the highest temporal frequency of interest in the signals emitted by the brain (kHz), MEG achieves good temporal resolution. Another application is the scanning SQUID microscope, which uses a SQUID immersed in liquid helium as the probe. The use of SQUIDs in oil prospecting, earthquake prediction and geothermal energy surveying is becoming more widespread as superconductor technology develops; they are also used as precision movement sensors in a variety of scientific applications, such as the detection of gravity waves. Four SQUIDs are currently employed on Gravity Probe B in order to test the limits of the theory of general relativity.
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