Last week the DomPost ran a breathless article about the evils of 3D printing. The main fact in the story was that a 3D printer can be used to make a gun, of sorts anyway, but the whole thing got…
Last week the DomPost ran a breathless article about the evils of 3D printing. The main fact in the story was that a 3D printer can be used to make a gun, of sorts anyway, but the whole thing got…
When I was at university studying maths and physics (approximately in the Bronze Age) we were told that magnetic monopoles were a theoretical possibility but that no-one has ever found one. Magnets have two poles, conventionally called North and South,…