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2. Ground-penetrating radar - Wikipedia

   en.wikipedia.org/wiki/Ground-penetrating_radar

   Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-intrusive method of surveying the sub-surface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables or masonry. [ 1 ]

3. Level sensor - Wikipedia

   en.wikipedia.org/wiki/Level_sensor

   An RF admittance level sensor uses a rod probe and RF source to measure the change in admittance. The probe is driven through a shielded coaxial cable to eliminate the effects of changing cable capacitance to ground. When the level changes around the probe, a corresponding change in the dielectric is observed.

4. Sensitive high-resolution ion microprobe - Wikipedia

   en.wikipedia.org/wiki/Sensitive_high-resolution...

   SHRIMP II at Research School of Earth Sciences, Australian National University, Australia. The sensitive high-resolution ion microprobe (also sensitive high mass-resolution ion microprobe or SHRIMP) is a large-diameter, double-focusing secondary ion mass spectrometer (SIMS) sector instrument that was produced by Australian Scientific Instruments in Canberra, Australia and now has been taken ...

5. CTD (instrument) - Wikipedia

   en.wikipedia.org/wiki/CTD_(instrument)

   A CTD instrument is an oceanography sonde (French for probe) used to measure the electrical conductivity, temperature, and pressure of seawater. The pressure is closely related to depth. Conductivity is used to determine salinity. The CTD may be incorporated into an array of Niskin bottles referred to as a carousel or rosette. The sampling ...

6. Ground-based interferometric gravitational-wave search

   en.wikipedia.org/wiki/Ground-based_interfero...

   It is expected that this type of background will be the first kind to be detected by the current ground interferometers. [ 44 ] Finally, cosmic strings may represent a source of gravitational wave background, whose detection could provide proof that cosmic strings actually exist.

7. Test probe - Wikipedia

   en.wikipedia.org/wiki/Test_probe

   Some probes use a small ground foot instead of any wire, allowing the ground link to be as short as 10 mm. Most probes allow a variety of "tips" to be installed. A pointed tip is the most common, but a seizer probe or "test hook" with a hooked tip that can secure to the test point, is also commonly used.

8. 40 Facts About Animals That Might Make You Look Like The ...

   www.aol.com/68-fascinating-animal-facts-probably...

   The aquarium put Pesto on public display in April. But it wasn’t until staffers held a gender reveal party in September that the massive baby bird became a worldwide celebrity. Image credits ...

9. Electrical resistance survey - Wikipedia

   en.wikipedia.org/wiki/Electrical_resistance_survey

   Electrical resistance survey of an archaeological site using a twin probe system. In most systems, metal probes (electrodes) are inserted into the ground to obtain a reading of the local electrical resistance. A variety of probe configurations are used, most having four probes, often mounted on a rigid frame. In these systems, two of the probes ...