Nested Waters

Smart Water Monitoring for Safer Swimming

Using matryoshka-style nested sensors to track water quality, UV levels, and temperature across different depths. Get actionable insights exactly when conditions change.

"You're floating in a river when your phone pulses — not a generic alert, but 'UV just jumped 15% at your GPS location, the current is picking up. Move 20 meters left to calmer water where reapplying SPF 30 will last you 45 minutes.' It feels like the water itself is watching out for you."