Researcher develops 'spray-on' stealth coating for drones — volcanic rock formulation claims to reduce radar return signals by up to 43dB, compared to 20 to 30dB for typical radar absorbent material

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https://www.tomshardware.com/tech-industry/researcher-develops-spray-on-stealth-coating-for-drones-volcanic-rock-formulation-claims-to-reduce-radar-return-signals-by-up-to-43db-compared-to-20-to-30db-for-typical-radar-absorbent-material

Stealth on a budget.

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Researcher develops 'spray-on' stealth coating for drones — volcanic rock formulation claims to reduce radar return signals by up to 43dB, compared to 20 to 30dB for typical radar absorbent material

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