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Making urban waterways visible, understandable, and closer to citizens.
A rugged rover that uses visual inspection, environmental sensors, and human-verified AI to monitor urban streams and identify potential ecosystem risks.
Word problems for ages 8–12. The child cuts and colours the sentence, then pictures it; the app checks every mark and never makes one.
Same value, different base. Convert, calculate, and master number systems step by step.
Solution to the Quantum Rings challenge.