A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
The magnetized needle of a conventional compass wants to align with Earth’s magnetic field—helpful, unless you’re near the ...
Abstract: Percutaneous nephrolithotomy (PCNL) is a minimally invasive procedure to remove large renal calculi through a small incision in the patient’s back. Ultrasound (US) imaging is commonly used ...
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