I welcome everyone to freely explore the ideas published here. If even one concept can help improve conditions somewhere in the world, please use it. These ideas are shared for public benefit — and I invite engineers, makers, and organizations to adapt and implement them as needed.
Among the current proposals, the dam sediment control concept addresses a massive but often overlooked problem. Aging dams silently accumulate sediment over decades, diminishing safety, capacity, and ecological balance. This issue affects many countries but rarely receives focused attention — I believe it deserves much more.
The other two ideas —
- Non-invasive sensing for early dementia signs, and
- Low-cost recycling of oil-contaminated wipes and papers — are areas I’ve poured extra effort into. They connect personal concern with practical, field-level intervention, and were designed for implementation even in resource-constrained contexts.
Beyond these, I aim to share one new idea each day — usually in rough, outline form. These are ongoing explorations, and I welcome any refinements, translations, and feedback you may offer.
Let's collaborate through real-world action, not just theory.
Koichi Kato
Alvaro Villoslada
Dev Joshi