Engineering for Change

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  • Iana Aranda says: As per Bob: reliable source of power or electrical storage and/or backup power is required. This limits the application to where this type of power is available. UV if applied appropriately can be both a safe and effective means of sterilization.

    Sterilux Steribox and Control Station
    E4C.COMMENTS
  • Great technology to address livelihood challenges .............

    Designing Elephant Repellent in Rural Botswana
    hadijahns15@gmail.com
  • nancyhines
  • What a great write up.Here in my country Cameroon, most rural areas are depending on non-environmental friendly sources of energy to meet their needs in cooking and lighting. I hope to study the Techniques mentioned here and make a change in my community. Thanks very much for sharing

    Biological Waste to Biogas: A Solution to Self-Sustainable Energy in Rural India
    ndimvogo
  • Iana Aranda says: As per Bob: Steam technology requires a source of water and steam – implying high power heating elements. Appropriate sources of clean, chemical free (Calcium, Iron etc.) water are necessary. Although in developed countries this is not a significant issue in developing countries...

    VIP V-10-40 Steam Engine
    E4C.COMMENTS
  • Very helpful we too have a problem with elephants in Sri Lanka.

    Designing Elephant Repellent in Rural Botswana
    foni_pioneer@yahoo.com
  • Hi John, thanks for the comment. The use of smoke to repel insects is actually one of the criteria we included in the protocol. There's a section dedicated to location-specific user needs like this one (which can be expanded to include other/uncommon, but important, needs we haven't identified).

    How to Design Improved Cookstoves with Users in Mind: A Usability Protocol
    nickdmoses
  • One of the key issues involved in the roll-out of ICS is that swathes of households in low-income countries are convinced that, although they may not like it, a smokey house environment inhibits biting insects. I've had quite a few householders tell me why smoke is a good thing, for this and other r...

    How to Design Improved Cookstoves with Users in Mind: A Usability Protocol
    jcloke
  • GoSun now has a full array of solar cookers and solar ovens, including a solar cooking solution during cloudy periods or night.

    GoSun Solar Cooker Sport
    garys@gosunstove.com
  • Depending of the desired temperature and the way you want to heat the mealworm. For low temperature, a solar heater (like the ones for water heaters for homes) could be enough; but if you want a higher temperature, a solar concentrator must be used.

    Heating a mealworm farm without Electricity
    eduardo.gmora

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