Cutting tough materials has never been easier with the OLFA SK-16 Quick-Change Concealed Blade Safety Knife. This touch-safe cutter requires no blade activation - simply pull to cut. The exposed ...

Terahertz (THz) radiation, which lies in the frequency gap between the infrared and microwaves, typically referred to as the frequencies from 100 GHz to 30 THz, has long been studied in fields ...