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3CommentsOak Park, IL USA
science and technology teacher
  • brentrjones commented on Jens De Sneyder's instructable LED Paperclip6 days ago
    LED Paperclip

    You can buy the same for about $ 1 http://www.batteryjunction.com/titanium-keylight.html?gclid=CjwKEAiAkuLDBRCRguCgvITww0YSJAAHrpf-sa0LNczdbe41MC17z7VdyEeawZBNfNB6Mz9XmkzDNRoCdZrw_wcB

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  • brentrjones commented on danolanater's instructable 5 Gallon Bucket Air Conditioner7 months ago
    5 Gallon Bucket Air Conditioner

    We lived in Pakistan for 8 years. A desert cooler -- AKA swamp cooler --- works great in the 110 degree dry months. The humidity is much needed. No AC is runing. Then the monsoons come in July. Desert cooler is worthless because the air is nearly saturated with water--high humidity. AC works great.A major concern for the desert cooler it to keep it automatically filled with water. So a float valve -- like in toilet tank --- is used..

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