Female Torso, by Lisa Nilsson. Photo by John Polak. Lisa Nilsson was on an antiquing trip three or four years ago when a gilt crucifix caught her eye. The cross was crafted using a Renaissance-era ...

How few corners can a shape have and still tile the plane?” mathematician Gábor Domokos asked me over pizza. His deceptively simple question was about the geometry of tilings, also called ...

For high resolution imaging in a SEM, and for accurate analysis by EDS or EBSD, proper sample preparation is critical. If a sample is cut with scissors or a knife, sections of the sample can compress, ...