3 ms·

I like the idea of cooling people as opposed to whole buildings, but I don't like that this isn't actually decreasing your body's temperature, it just 'tricks'

I like the idea of cooling people as opposed to whole buildings, but I don't like that this isn't actually decreasing your body's temperature, it just 'tricks' you into thinking it's colder/hotter outside. Perhaps it'll pave the way for clothes that can become cool or hot, depending on the temperature outside. I'd be very interested in those.

dannypgh 13y ago
We're warm blooded. If you want to decrease your body's temperature, death is probably the way to go. We don't feel warm because our core temperature is above 98.6, we feel warm SL that we are aware that we're having to work harder (typically through sweat) to stay at 98.6. Likewise, it seems like you could make this safe if you could measure or estimate the user's core temperature. Should it deviate significantly from normal, shut the device off.
- Daniel_Newby 13y ago
  It's considerably more complicated than body temperature and sweating. The body has ways of generating heat. If they do not turn off fast enough when the A/C fails, you get hot. It is entirely possible that this device could help elderly people in A/C failure, by forcing their bodies to adapt to variability instead of constant cool air. Likewise, sudden heat will cause the skin to flush and draw a great deal of blood[1]. This imposes a greater workload on the heart and results in shock if the heart cannot keep up. Constant exposure to heat, as with this device, should force the heart to gradually strengthen as the hot season builds, increasing heat tolerance. Likewise, variability should strengthen the heart. [1]If you ever have to enter a machine room with failed A/C, where the heat index is above body temperature, bundle up in heavy winter clothes over your whole body. Otherwise a runaway flushing response will draw heat into your body and kill you.
  - spbaar 13y ago
    As someone who doesn't want to die, could you elaborate? What temperatures are you talking about that would cause that?
    - Daniel_Newby 13y ago
      I am not an expert. This page[1] says " If the dry bulb temperature is higher than 35°C (95°F), the hot air passing over the skin can actually make the worker hotter. When the temperature is more than 35°C and the air is dry, evaporative cooling may be improved by air movement, although this improvement will be offset by the convective heat. When the temperature exceeds 35°C and the relative humidity is 100%, air movement will make the worker hotter. Increases in air speed have no effect on the body temperature of workers wearing vapor-barrier clothing. ". [1] https://www.osha.gov/dts/osta/otm/otm_iii/otm_iii_4.html https://www.osha.gov/dts/osta/otm/otm_iii/otm_iii_4.html

dannypgh 13y ago

We're warm blooded. If you want to decrease your body's temperature, death is probably the way to go. We don't feel warm because our core temperature is above 98.6, we feel warm SL that we are aware that we're having to work harder (typically through sweat) to stay at 98.6. Likewise, it seems like you could make this safe if you could measure or estimate the user's core temperature. Should it deviate significantly from normal, shut the device off.

Daniel_Newby 13y ago
It's considerably more complicated than body temperature and sweating. The body has ways of generating heat. If they do not turn off fast enough when the A/C fails, you get hot. It is entirely possible that this device could help elderly people in A/C failure, by forcing their bodies to adapt to variability instead of constant cool air. Likewise, sudden heat will cause the skin to flush and draw a great deal of blood[1]. This imposes a greater workload on the heart and results in shock if the heart cannot keep up. Constant exposure to heat, as with this device, should force the heart to gradually strengthen as the hot season builds, increasing heat tolerance. Likewise, variability should strengthen the heart. [1]If you ever have to enter a machine room with failed A/C, where the heat index is above body temperature, bundle up in heavy winter clothes over your whole body. Otherwise a runaway flushing response will draw heat into your body and kill you.
- spbaar 13y ago
  As someone who doesn't want to die, could you elaborate? What temperatures are you talking about that would cause that?
  - Daniel_Newby 13y ago
    I am not an expert. This page[1] says " If the dry bulb temperature is higher than 35°C (95°F), the hot air passing over the skin can actually make the worker hotter. When the temperature is more than 35°C and the air is dry, evaporative cooling may be improved by air movement, although this improvement will be offset by the convective heat. When the temperature exceeds 35°C and the relative humidity is 100%, air movement will make the worker hotter. Increases in air speed have no effect on the body temperature of workers wearing vapor-barrier clothing. ". [1] https://www.osha.gov/dts/osta/otm/otm_iii/otm_iii_4.html https://www.osha.gov/dts/osta/otm/otm_iii/otm_iii_4.html