Ray tracing and beyond

Ray tracing is simple to explain at one level: "We all do it all day long: That's how you navigate the world visually," Gene Tracy explains. "The fact that I know that you're sitting there and not over there is because the ...

Change in geometry improves aerodynamics

Kids and dogs understand the force of air, when they stick their hands and heads out of moving cars only to feel them pushed back. It may be invisible, but air is like a see-through net dragging a vehicle back as it strains ...

Bring a 50,000-degree plasma into your living room

With the rise of online open course platforms such as Khan Academy, MIT OpenCourseWare and iTunes U, it has never been easier to teach yourself everything from American history to semiconductor manufacturing. These courses ...

Dramatic end of plasma crystal experiment

For seven years it delivered outstanding results for science and technology on the International Space Station, now the successful plasma crystal laboratory PK-3 Plus operated one last time. After undocking from the International ...

Plasma and nanotechnology applications through maths

Plasma is one of the four fundamental states of matter, alongside solid, liquid and gas. Ubiquitous in form, plasma is an ionised gas so energised that electrons have the capacity to break free from their nucleus.

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