Archaeologists at the epic Mayan city of Caracol in Belize finally uncovered the royal tomb of first ruler Te K’ab Chaak.

Te K'ab Chaak ascended to the throne of Caracol in 331 CE and is recognized as the founder of the city's royal dynasty, which lasted over 460 years, as reported by the same source. The tomb was found ...

Engineers have developed the first room-temperature, eye-safe, photopumped PCSEL by embedding silicon dioxide into photonic crystal layer.