 This is my favorite low-tech onboard. Let me present to you the black solder fly. The larvae of this fly can eat any organic waste with a very high efficiency and turn it into very useful resources. We have been in Malaysia to meet Emily with the world experts. At Low-Tech Lab, we travel the world to find the best low-tech inventions that are useful, sustainable and accessible to all. For us, the use of the black solder is amazing because it's an insect that can really convert almost any type of organic waste into an insect meal that will be used in animal feeding, so chicken, pig, fish, etc. and in a compost that will also be reused in agriculture. Here, if we receive about one ton of organic waste, we will turn it into 200 kilos of larvae and 200 kilos of insects. Thanks to these flies, we will collect eggs with about one kilo of eggs. In 15 days, we get about five tons of larvae, which is the equivalent of an elephant. We are contributing to sustainable farming like that. We are using waste to produce insect biomass and compost to produce value and I find that very exciting. I'll show you how to raise the black solder fly on a small scale. You put your organic waste in this box. They can eat any waste that is not too dry. We even give them our dry toilets. When they have eaten enough, they want to turn into poopas. They climb this slope, then fall in the tray. Once a week, you harvest 90% of the larvae to feed the animals. It's full of lipids and proteins. Put the rest into the ivory. They will become flies, reproduce themselves and lay eggs into this cardboard. Babies will hatch and jump into the food. One third of our garbage is organic waste. We use a lot of energy to make it disappear. This little quail fly is a ready-made technology, free of cost and highly efficient. Everybody should use it.