Fly Power

This is a digital clock.



It's not immediately apparent, because what's really on display is a microbial fuel cell. You see that trapped fly? It's on its way to a bacteria bath, where it will be literally digested and converted into electricity.

I can't tell if these machines actually function, or if they are just design ideas for the future. According to the world's memory, the technology for these robots is available. So even if the pictured robot doesn't work, it could be built.

Honestly, I just wonder about the smell.