In my previous blog post (#3), I explored the value of tangible interfaces and embodied interaction, especially when applied to scientific concepts. I took a look at constructivist and kinesthetic learning theories and discussed how meaningful, hands-on engagement can help people and especially children understand and retain information more effectively than traditional textbook-based approaches. Building on this I tinkered around with a lo-fi tangible prototype: an interactive chemistry simulation that allows users (kids) to explore real chemical reactions in a safe, accessible, and playful way.
One of the challenges in kinesthetic learning (or hands-on learning in general), especially in the context of science education, are the physical restrictions: there is messiness, the danger of working with certain substances, and the financial or spatial limitations of traditional labs. The prototypes approach is to offer a digital-physical hybrid that provides the sensory and experiential engagement of a real experiment without the need for actual chemicals or laboratory space. Of course this is really stripped down to the most basic parts, but the bigger idea is to use technology to make knowledge tangible and engaging and not just shift everything from a textbook to a screen – because where’s the fun in that?
Making the prototype
I started by developing the concept of my prototype. I knew I wanted it to deal with some kind of scientific topic and while reading the paper about kinesthetic learning I figured that making experiments with chemicals more accessible could be an interesting starting point, since that is something that I always found most interesting in chemistry class and would have wanted to do more. The idea is to simulate the feeling of experimenting through look, sound and haptics. I chose a simple experiment where different substances react with water and started by creating my digital setup for which I created some simple visuals in processing. I initially wanted to trigger the sounds with Max9. This worked great, however I ran into the problem, that I couldn’t simultaneously trigger the MaxPatch and the Processing sketch. So I decided to add the sound directly into processing with a sound library, which worked really nicely. I then did some more experimenting with the visuals and sounds and added some information text for each chemical reaction for more context as to what is happening (it is still about education after all, even if the shapes and colors are a lot of fun to look at). I then hooked the whole thing up to a MakeyMakey and crafted really simple physical representations out of paper for the chemical substances I was simulating. To make them conductive I used tinfoil and after a bit of experimenting I was able to make my own little Natrium-Explosion in my room without dying – how cool!
Conclusion
It was really interesting diving into prototyping with a vague idea at this point in the project, as this is not an approach I am used to. I liked that it pushed me to just start, try things and experiment. This really helped me get rid of high standards for this early stage. While I think I do enjoy the topic, I might have to still dabble in my other two ideas just to figure out where I see the most potential and have the most fun. I think I will need a lot more experimenting to see what I want to do, but this is definitely a good start.
