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2. Cryostat - Wikipedia

   en.wikipedia.org/wiki/Cryostat

   A cryostat (from cryo meaning cold and stat meaning stable) is a device used to maintain low cryogenic temperatures of samples or devices mounted within the cryostat. Low temperatures may be maintained within a cryostat by using various refrigeration methods, most commonly using cryogenic fluid bath such as liquid helium . [ 1 ]

3. Diver navigation - Wikipedia

   en.wikipedia.org/wiki/Diver_navigation

   Nav finder and underwater compass – basic underwater navigation tools Suunto SK-7 diving compass in aftermarket wrist mount with bungee straps. Diver navigation, termed "underwater navigation" by scuba divers, [1] is a set of techniques—including observing natural features, the use of a compass, and surface observations—that divers use to navigate underwater.

4. Microwave cavity - Wikipedia

   en.wikipedia.org/wiki/Microwave_cavity

   For a microwave cavity, the stored electric energy is equal to the stored magnetic energy at resonance as is the case for a resonant LC circuit. In terms of inductance and capacitance, the resonant frequency for a given m n l {\displaystyle \scriptstyle mnl} mode can be written as given in Montgomery et al page 209 [ 15 ]

5. Bayonet lug - Wikipedia

   en.wikipedia.org/wiki/Bayonet_lug

   M9 bayonet mounted on a M4. A bayonet lug is a standard feature on most military and on some civilian long guns. It is intended for attaching a bayonet, which is typically a short-bladed multipurpose knife bayonet. The bayonet lug is the metal mount that either locks the bayonet onto the weapon or provides a base for the bayonet to rest against ...

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. Magnetometer - Wikipedia

   en.wikipedia.org/wiki/Magnetometer

   However, magnetic torque magnetometry doesn't measure magnetism directly as all the previously mentioned methods do. Magnetic torque magnetometry instead measures the torque τ acting on a sample's magnetic moment μ as a result of a uniform magnetic field B, τ = μ × B. A torque is thus a measure of the sample's magnetic or shape anisotropy.