3D printing companies hope to help produce tens of millions of swabs for the American public. It’s a race against time. The country needs tens of millions of nasal swabs if it’s going to test enough ...

A hybrid organic-inorganic polymer resin enables the three-dimensional (3D) printing of nanoscale optical-grade glass at temperatures roughly half of what other approaches require, researchers report.

Proper precision calibration resistors are expensive and usually bulky, often in a large box or can. These are overkill for low-cost handheld digital multimeters (DMMs) and LCR Meters, especially when ...