Thursday, July 8, 2010

Heatwave

What's worst than a heatwave in Charm City? Well, having no A/C during said heatwave. Is this really possible during the 21st century? Well, **points thumb to self**. And even though I drink more than 2 L of H2O a day on average, I've been hemorrhaging water like nobody's business. As a result I am suffering from heat exhaustion. Enter this delightful article: I will be trying #12 when I get home.
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    Just add water. The relief is almost immediate, and will last for up to one hour or more.

    • Ball up and soak a t-shirt in the sink, wring it out, put it on and sit in a lawn chair (or other chair that lets air through to you) in front of a fan. Re-wet as it dries. Make sure not to soak it with cold water. It can be colder than you think. Instead use lukewarm water so you get cool without freezing. Using a synthetic shirt will ensure no "wet T-shirt" look.
    • Wear a short sleeved shirt and put water on the sleeves. If there is a breeze or fan blowing on you, you can actually get cold. Use a squirt bottle, the sink or hose if outside to keep your sleeves wet. If you are outside and wearing long pants and you put water on your legs, the water will cool your legs.
    • Fill your bathtub with cool water and get in. Once you are used to the temperature, let some water out and refill with cold water. Keep doing this until you are sufficiently cold. Your body will stay cool for a long time after you get out.
    • Or just soak your feet in a bucket of cold water. You can do it almost anywhere and don't have to stay in the tub. The body radiates heat from the hands, feet, face and ears, so cooling any of these will efficiently cool the body.
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    Sweat it out. Water vapor produced by sweating actually takes heat away from your body if it is exposed to air and allowed to evaporate. The best thing to do is to put your sweaty self in the path of a cool breeze or fan. Also try using a Water Misting Fan. These portable devices are battery operated so you can take them with you wherever you go. As you mist and fan yourself, the water is evaporated on you skin giving you an instant cooling sensation!
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    Dress (or undress) for the heat. There are several strategies to dress, depending on your situation:

    • Nothing: If you're in a situation where you can go without clothes, this can be the most comfortable, natural way to stay cool.
    • Next-to-Nothing: Put on a swimsuit, or wear your underwear at home.
    • Summer Clothing: Wear natural fabrics (cotton, silk, linen) rather than polyester, rayon, or other artificial fibers (with the possible exception of performance fabrics).
    • Wear Light Colors: Darker colors will absorb the sun's rays and be warmer than light or white clothing, which reflects light and heat. Wear natural summer clothing.
    • Cover Up: Covering up may actually keep your cooler, especially if the heat is low in humidity. In the scorching temperatures of the Middle Eastern deserts, traditional cultures wear clothing covering from head to toe. By protecting your skin from the sun beating down, you'll also shade your skin. Be sure your clothing is natural fabrics, and loose.
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    Go downstairs. Warm air is less dense than cooler air so it ends up layered on top of the downward moving cooler air. If you're in a house, for example, get lower than the roof. Make your way to the basement or lower level. It will be cooler there. Position a fan in an upstairs window to draw off heat collected in upper rooms--set it up so that it sucks air from indoors and pushes it outdoors.
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    Keep the air flowing. Turn on the ceiling fan, box fan or battery operated fan in the room. In the evening, open windows and use fans to create a cross-breeze, circulating cooler evening/night air through the rooms. As soon as the sun hits the building the next morning, close all windows and keep doors and windows closed throughout the day until it is cooler outside than it is inside. Then you can open everything up again and cool off to be prepared for the next day. Leaving kitchen cabinets open all night helps too; if you leave them closed, they store the heat and your house won't cool off as much.
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    Close your blinds. Close your blinds and curtains during the day to block the sun. For even better protection, get aluminized blinds (or use removable sheets of cardboard cut to size and covered in foil.) At night, open selective windows that cooler night air is blowing in. If possible, purchase a fan (such as from SMC) that are meant to install in a window. There should be an in, our,and exchange switch which controls the direction the air blows. These aren't over expensive and work really well.
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    Turn off electrical heat sources.Turn off the stove or other sources of heat. Don't use the stove or oven to eat--eat out, eat cold food, or use the microwave. Incandescent light bulbs also create heat - switch to compact fluorescents. Turn off your lamps, as well as your computer when you're not using it.
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    Adjust your pilot light. If you have a gas stove with pilot lights, make sure they are set correctly. Too high and they'll produce excess heat. We stop using the oven in the summer and just turn the gas off.
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    Use a hint of mint.Try a few minty or menthol products to cool your skin: slather on lotion with peppermint (avoid your face and eyes), shower with peppermint soap, use a minty foot soak, and powders with mint. Mint refreshes the skin and leaves a nice cooling sensation.
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    Try a heat snorkeling system. Take a glass and fill it almost to the brim with ice cubes. Then hold it up to your mouth and blow gently into the cup. The ice causes the air you are blowing into the cup to cool down drastically, and since the air only has one way out of the cup (the hole which should now be aiming right at your face) the cold air is forced out over your skin. This is a great alternative to air conditioning and is very simple. Note that this is not any more efficient that A/C, as energy goes into freezing the ice. To put the "snorkeling system to more efficient use, point a fan into a square of four cups filled with ice water and ice cubes. The cooler air in the cups have no where to go but out! This can help work as a temporary AC system. Each night, refreeze the cubes, and open the windows instead!
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    Eat spicy food. It's not a coincidence that many people in hotter regions of the world eat spicy food. Spicy (hot to the taste) food increases perspiration which cools the body as it evaporates. It also can cause an endorphin rush that is quite pleasant and might make you forget about the heat.
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    Put a freeze on things. Get a 1 or more 3 liter bottles, fill them mostly full of water, freeze them, then place them in a large bowl (to catch dripping water). Position a fan to blow on them. As the ice in the bottles melts, the air cools around them. The fan will blow that air at you. The water in the bottles can be frozen overnight and used again, repeatedly. This will supplement your AC if you have it, and will serve as a ad hoc AC until you can get a decent AC system. Note that this is not any more efficient that A/C, as energy goes into freezing the ice.
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    Think cool. Read books about climbing Mount Everest, visiting Norway, or watch "March of the Penguins", "Ice Age", or "The Day After Tomorrow". You might not be physically cooler, but if your mind envisions a cold environment, you might feel a bit cooler.
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    Sit in the Shade. Find a shaded area and set up water misting system that connects to an ordinary garden hose that can be found at home improvement stores. Then, just sit there and let the mist cool you off.
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    Sit Still. Do not try to fan yourself because it can make you hotter. Trying to move while feeling hot can make you feel hotter.
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    Cool as a cucumber! Slice a thin piece of cold cucumber (from the fridge or a cooler) and stick it in the middle of your forehead! This feels fantastic on a hot day or when stuck in a hot car, and works almost immediately!
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    Do a walk through. A walk through is where you walk outside then back inside, chances are, your house is hotter than the outside air, especially in the shade. If your house happens to be cooler, then you will feel the temperature difference after being outside, and feel cooler.

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