Abstract: Recent studies have investigated the use of the accelerometer sensors in smartphones and wearable devices for human activity recognition such as sitting, standing, walking, and laying down ...

July 19, 2026 • With President Trump in attendance, an all-superstar lineup that included Madonna, BTS, Justin Bieber and Burna Boy felt a little more political than it might have otherwise. July 19, ...

Abstract: A highly sensitive four-cantilever beam three-component (3C) fiber grating accelerometer is proposed to meet the seismic monitoring requirements of CO2 geological storage. The 3C ...

We're celebrating 25 years of work to advance a bold vision for a just and inclusive democracy and economy that reflects a growing and diversifying nation. Read Taifa Smith Butler's reflection on ...

Short-form data and analysis from Pew Research Center writers and social scientists. To view all our reports and publications, visit our main Publications page. Over 100 countries have enacted energy ...

We are a global organization that fights inequality to end poverty and injustice. Community activists and state policymakers are stepping up where the federal government has failed to improve wages ...

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