In computer technology, computer devices are susceptible to EMI because electromagnetic fields are a byproduct of passing electricity through a wire. Data lines that have not been properly shielded are susceptible to data corruption by EMI.
Quinine has been used for the treatment of malaria and associated febrile states, leg cramps caused by vascular spasm, internal hemorrhoids, varicose veins, and pleural cavities after thoracoplasty.
Quinine, a chemical extract from the bark of Peru's cinchona tree, is the active ingredient in tonic water. When India was part of the British Empire, tonic water was the preferred method of delivering the malaria-fighting protection of quinine to British troops and colonials.