MRI of a knee. MRIs employ powerful magnets which produce a strong magnetic field that forces protons in the body to align with that field. When a radiofrequency current is then pulsed through the patient, the protons are stimulated, and spin out of equilibrium, straining against the pull of the magnetic field.
Noun. 1. aestivation - (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period. estivation. zoological science, zoology-the branch of biology that studies animals.
Sear deactivation lever (yellow)...why? Found it in my Shield--had to look it up in the manual to figure out what it was. Is the sole purpose of this thing to allow disassembly without pulling the trigger OR does it serve any other, real purpose? I broke the gun down without pushing it (just pulling the trigger).