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![Hypothermia Research: Research on exercise in cold water, part of an assessment of exercise regimes for victims of multiple sclerosis (MS). Here, at the University of Minnesota Hypothermia laboratory in Duluth, a volunteer rides an exercise bicycle while immersed in cold water at a temperature of 50 degrees Fahrenheit. A variety of probes measure his vital functions, skin & core body temperatures. The tube connected to his mouth delivers a monitored air supply. People afflicted by MS need regular exercise, but the rise in body temperature this provokes often causes uncontrollable shaking. Exercise in cold water helps counter this effect. MODEL RELEASED [1988] .Hypothermia is a medical condition in which the victim's core body temperature has dropped to significantly below normal and normal metabolism begins to be impaired. This begins to occur when the core temperature drops below 35 degrees Celsius (95 degrees Fahrenheit). If body temperature falls below 32 °C (90 °F), the condition can become critical and eventually fatal. Body temperatures below 27 °C (80 °F) are almost uniformly fatal, though body temperatures as low as 14 °C (57.5 °F) have been known to be survivable. [[http://encycl.opentopia.com/term/Hypothermia]]](https://m.psecn.photoshelter.com/img-get2/I00005WBciDHKB6c/fill=/fit=180x180/I00005WBciDHKB6c.jpg)
![Micro Technology: Micromechanics: Light micrograph of the detector 'teeth' of a micro-resonator. This is a tiny mechanical resonating structure, made by the same silicon deposition process used in the manufacture of microcircuits. The 'teeth' seen here detect the motion of the resonator, the central buff-colored object. The dark vertical lines running above and below the resonator are the strands of silicon connecting the sensor to the resonant masses. The strands are only two microns thick, but at this scale silicon has a greater mechanical strength than steel. Micro-resonators have a variety of uses in detecting very small amplitude motions. [1989]](https://m.psecn.photoshelter.com/img-get2/I0000elJR8at6E2E/fill=/fit=180x180/I0000elJR8at6E2E.jpg)
