Back in May I wrote this article about building a passive AC. That time I attached it to the front of our living room fan and I found that while the principle worked the air flow was too low to give effective cooling. I also mentioned that I would like to try to fit one in a window to cool down the incoming air. Now, I’ve finally had a chance to test this concept.
The working principle is the same, as the air passes through the funnel it gets compressed which lowers the temperature. Last time I used standard 500 … Read the rest
The dreariness of my evening commute has been instantly dispelled by a marvelous sky. A pale blue background, bordering on yellow, richly strewn with tufts of cloud like pieces of cotton on a blue tablecloth. The clouds lie in shadow but are lit from underneath by the setting sun, painting them dark grey on one side and a brilliant hue of pinkish orange on the other. The contrasting colors make every little wisp of vapor stand out against the background, making the clouds seem bigger and fuller, while at the same accentuating the orange light, making it look as if the entire sky is filled with a brilliantly shining fire. It is little moments like this that make the drudgery of every day life bearable.