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  2. Flutter (electronics and communication) - Wikipedia

    en.wikipedia.org/wiki/Flutter_(electronics_and...

    In electronics and communication, flutter is the rapid variation of signal parameters, such as amplitude, phase, and frequency. Examples of electronic flutter are: Rapid variations in received signal levels, such as variations that may be caused by atmospheric disturbances, antenna movements in a high wind, or interaction with other signals.

  3. Float switch - Wikipedia

    en.wikipedia.org/wiki/Float_switch

    A pedestal sump pump with a float switch. A float switch is a type of level sensor, a device used to detect the level of liquid within a tank. The switch may be used to control a pump, as an indicator, an alarm, or to control other devices.

  4. Floating Action - Wikipedia

    en.wikipedia.org/wiki/Floating_Action

    Floating Action's music blends multiple styles, including indie rock, folk, dub, and blues.Seth Kauffman has described Floating Action's sound as "lo-fi Carolina funk." [1] Floating Action's music has been compared to the Beatles, [5] the Black Keys, [23] James Brown, [5] Casiotone for the Painfully Alone, [24] Ray Davies, [25] Dr. Dog, [26] the Flaming Lips, [27] John Mayer, [24] Menomena ...

  5. Scuba skills - Wikipedia

    en.wikipedia.org/wiki/Scuba_skills

    At the surface the diver can use the same action rotated 90° as a side kick. This is a powerful thruster, but not very fast. [26] [27] Frog kick and modified frog kick: this mimics a frog's swimming action, or a breaststroke kick. Both legs operate together to produce thrust which is directed more consistently backwards than in the flutter kick.

  6. Glossary of underwater diving terminology: D–G - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_underwater...

    flutter kick. See: Finning techniques#Flutter kick. finning style where the fins are alternately moved up and down by movements of the full leg. [1] Thrust is developed on both up and down strokes. Vortices shed move both upwards and downwards. See also modified flutter kick. FMEA. See: failure modes and effects analysis. FMECA

  7. Human factors in diving equipment design - Wikipedia

    en.wikipedia.org/wiki/Human_factors_in_diving...

    Olympus TG-3 camera and underwater housing, back view, showing relatively large view screen for focus and framing, but relatively crowded buttons for controlling detailed settings. GoPro Hero5 action camera in underwater housing. Underwater cameras are usually popular models encased in a watertight pressure housing.

  8. Pool float - Wikipedia

    en.wikipedia.org/wiki/Pool_float

    It can be used to aid in floating or stretching exercises. A pull buoy or "leg float" is used to focus exercise on the arms. Pool dumbbells are used for strength training where muscles push down against buoyancy. This is the opposite of conventional dumbbells, which are used to force muscles to pull up, against gravity.

  9. Wikipedia:Reference desk/Archives/Science/December 2005 ...

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    Which countries have natural fuel resources? Depends, what kind of fuel are you looking for. Almost all countries have some resources. - 131.211.210.14 13:54, 1 December 2005 (UTC) []