Condensed-matter physics is the study of substances in their solid state. This includes the investigation of both crystalline solids in which the atoms are positioned on a repeating three-dimensional ...

Plasma physics is the study of a state of matter comprising charged particles. Plasmas are usually created by heating a gas until the electrons become detached from their parent atom or molecule. This ...

The events in Aleppo should remind us that Israel is an excellent ally and it’s time to step up pressure on Putin.

Bregman's 2025 Reith Lectures will reflect on moments in history, including the likes of the suffragette and abolitionist movements, which have sparked transformative moral revolutions, offering hope ...

Local initiatives—driven by necessity and resource constraints—offer scalable solutions for waste reduction, supply chain resilience, and environmental and social leadership. Explore HBR HBR Store ...