Experience a journey of calm and serenity with this collection of peaceful nature scenes and soothing candlelight. Designed ...

Ambient backscatter communication systems harness ambient radio-frequency (RF) signals to enable ultra-low-power, battery-free data transmission. Unlike conventional radios that generate their own ...

Ambient air pollution remains a leading environmental risk to human health, with fine particulate matter (PM2.5) and ozone (O3) among the most harmful components. Chronic exposure to PM2.5 is linked ...