• Question: Could you use the energy from the human body to power lights heating etc. wouldn't this be eco-friendly? can you also do this with food?

    Asked by to Hannah, James, Meggi, Olivia, Oli, Paul, Saiful on 3 Jan 2017. This question was also asked by .
    • Photo: Meggi

      Meggi answered on 3 Jan 2017:


      Definetely yes!!!! Your body is an energy sources in many ways: There is heat energy and kinetic energy (moving), which each might be used as energy source.

      You point out an interesting idea. Why dont we try to develop systems where we try to utilize “unused” energy as source. I mean with unused, that your body always faces heat loss to the outside. This energy is not really used.

      This is definitely eco-friendly 🙂

      You can do so many exciting things with food waste. Researchers have made electrode materials already out of apples, bio-waste in general, bananas and so on. The idea is that all this food is full of carbons and during heating up, these can be transferred to something similar to graphite. This obtained carbon can store and release ions and is therefore ideal for ion batteries. Moreover, there are attempts to use all the food waste and transfer it into diesel. Both ideas fit to your main approach: Why dont we try to transfer energy from alternative sources?

    • Photo: Hannah Moir

      Hannah Moir answered on 4 Jan 2017:


      I love your thoughts and I totally agree we should be doing this. The best way I think this could happen is to power all the gym equipment in the country back in to the electric grid. Think of all those people cycling, running using cross-trainers, these all generate power and this power could be used as energy. I would love to see this happen in the future.
      We could also have bikes and treadmill style office desks- these pieces of equipment exist and again if all office blocks had this sort of setup, not only could they generate their own energy, the workforce would be healthier and fitter too!

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