Desert

Adaptive Underwater Acoustic Communications with Limited Feedback: An AoI-Aware Hierarchical Bandit Approach

• Bilevel Multi‑Armed Bandit framework for underwater acoustic communications in dynamic environments. • Inner CD‑MAB jointly optimizes modulation and power using channel state and

A Mystery Phone, Found in the Desert, Slowly Reveals Its Secrets

• Tech Mobile Phones A Mystery Phone, Found in the Desert, Slowly Reveals Its Secrets The Samsung phone had been lost for a decade. • Then Katie Elkin found it. • Katie Elkin found