If you’ve been trying to export a Principled BSDF material from Blender to Fallout 4 this year, you’ve likely hit a wall with the old NIFTools addon. The community has moved on, and for good reason: ...

A beamsplitter is an optical device capable of splitting an incident light beam into two. These tools can split both laser and regular light. A beamsplitter can also combine two incoming beams from ...

See all the objects from the Radio 4 series A History of the World in 100 Objects. Click on any link to find out more about an object, zoom in on the image and listen again or download the programme.