Centripetal force is the real inward pull that keeps objects moving in circles, while centrifugal force is the apparent outward push we only feel in rotation.

A new study published in the journal Nature Communications by researchers from the IBS Center for Climate Physics (ICCP) at Pusan National University in the Republic of Korea reveals that global ...

Polymers are either natural or synthetic macromolecules composed of many repeating units (monomers) usually arranged in the form of a chain. Examples of polymers are silk, rubber, silicone, DNA and ...

Abstract: Remote vital signs monitoring using millimeter-wave (mmWave) sensors has gained lots of attention because of their contactless, portable advantages. However, their received signals are more ...

Sep. 26, 2025 — Scientists have developed a lens-free mid-infrared camera using a modern twist on pinhole imaging. The system uses nonlinear crystals to convert infrared light into visible, allowing ...

Correspondence to: Dr Siew Yen Ho, Paediatrics, Faculty of Medicine, National Heart & Lung Institute, Imperial College, Dovehouse Street, London SW3 6LY, UK; yen.ho{at}ic.ac.uk According to Walmsley, ...