The dream of a real lightsaber has always sounded like a physics joke, not an engineering brief. Yet a retractable plasma blade that can slice through steel has forced a small Canadian workshop to ...

Chip Cutter is a reporter covering workplace, management and leadership issues in The Wall Street Journal's corporate bureau in New York. His stories often explore how work is changing today. He ...

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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Joel Santo Domingo If a normal router can’t provide reliable wireless access ...

Astrophysical plasmas are plasmas that occur in space. This includes the plasma that makes up stars. The Sun is constantly emitting a plasma known as the solar wind, which can affect satellites in ...