The world's first room-temperature continuous-wave UV-B laser diode on a sapphire substrate

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...
Investopedia

Understanding Big Mac PPP: Analysis, Pros, and Cons

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...