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2. Metal detector - Wikipedia

   en.wikipedia.org/wiki/Metal_detector

   U.S. Army soldiers use a military standard metal detector. A metal detector is an instrument that detects the nearby presence of metal. Metal detectors are useful for finding metal objects on the surface, underground, and under water. A metal detector consists of a control box, an adjustable shaft [dubious – discuss], and a variable-shaped ...

3. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.

4. Associative substitution - Wikipedia

   en.wikipedia.org/wiki/Associative_substitution

   The terminology is typically applied to organometallic and coordination complexes, but resembles the Sn2 mechanism in organic chemistry. The opposite pathway is dissociative substitution, being analogous to the Sn1 pathway. Intermediate pathways exist between the pure associative and pure dissociative pathways, these are called interchange ...

5. Eddy-current testing - Wikipedia

   en.wikipedia.org/wiki/Eddy-current_testing

   In this technique, permeability variations are suppressed by applying a magnetic field. The saturation probes contain conventional eddy current coils and magnets. This inspection is used on partially ferromagnetic materials such as nickel alloys, duplex alloys, and thin-ferromagnetic materials such as ferritic chromium molybdenum stainless steel.

6. AOL

   search.aol.com

   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

7. SpaceX Starship (spacecraft) - Wikipedia

   en.wikipedia.org/wiki/SpaceX_Starship_(spacecraft)

   In June 2020, SpaceX started constructing a launch pad for orbital Starship flights. In August and September 2020, SN5 and SN6 conducted a 150 m (500 ft) hop test. [94] [95] This was followed by a 12.5 km (7.8 mi) flight test in December 2020, using SN8. Despite a full successfully ascent burn, SN8 failed durign the landing attempt, due to low ...

8. Is the Tonal 2 home gym the best way for women over 50 to ...

   www.aol.com/lifestyle/tonal-2-home-gym-review...

   What is the Tonal 2 Home Gym? The Tonal 2 is an in-home, all-in-one gym focused on resistance training. The device itself is like a thick mirror, with adjustable metal arms that unfold for use and ...

9. Scintillation counter - Wikipedia

   en.wikipedia.org/wiki/Scintillation_counter

   Sodium iodide (NaI) containing a small amount of thallium is used as a scintillator for the detection of gamma waves and zinc sulfide (ZnS) is widely used as a detector of alpha particles. Zinc sulfide is the material Rutherford used to perform his scattering experiment. Lithium iodide (LiI) is used in neutron detectors.