For almost a century, measurements have indicated that a significant proportion of matter in the universe consists of unknown ...

For almost a century, measurements have indicated that a significant proportion of matter in the universe consists of unknown dark matter, which ...

Abstract: We propose and experimentally demonstrate a terahertz (THz) source based on optical rectification in lithium niobate wafers driven by an ultrafast ytterbium laser. Terahertz pulses with a ...

Phase transitions, shifts between different states of matter, are widely explored physical phenomena. So far, these ...

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

Jan. 31, 2025 — A study assessed the impact of electric fans on the body core temperature and heart rate of 18 participants aged 65-85 years, who were exposed to a simulated extreme indoor ...

School of Chemistry and Chemical Engineering & Key Laboratory of Micro-systems and Micro-structures Ministry of Education, Harbin Institute of Technology, Harbin 150001, P. R. China ...