Snitching Dust

Dust accumulates at specific spots in a household - determined by air flow, surface and ingredients of dust (hair, light dust, heavy dust, electrostatic dust). Some of these hotspots are in plain sight, and can be adressed every time one hoovers, others are not found until the next time a piece of furniture is moved.

I propose a mixture of differently sized/formed dust particles that are RFID detectable and identifyable. This dust is scattered in specific locations around the house, then it's progress towards it's final resting place is tracked. This way the migration routes of the different dusts are identified (for possible intervention) and all the dust hotspots are discovered, and can be adressed.

For a biological way to do this, use quorum sensing mold on dust, and detect it's specific reaction to accumulation via a trained dog sniffing it out. No real-time tracking with this one, but the hotspots are found, too.

With some modelling software it might even be possible to move the hotspots to easily reached yet out-of-sight areas, via subtle rearrangement of furniture, ventilators, changes in dust components, anti-static spray in strategic locations etc.