This paper describes epoxy resins by means of electrical impedance spectroscopy (EIS) and the mathematical tool of fractional calculus (FC). Two stages are considered: first, the EIS is used for ...

Over the past several weeks we've tested the Formlabs Form 3 3D printer. This printer can be compared to other SLA (stereolithography) 3D printers, but it works with a process that's advanced beyond ...