PLQY is a measure of how efficiently a material converts absorbed light into emitted light. It’s the ratio of the number of ...

When you use DPReview links to buy products, the site may earn a commission. Image: Viltrox Sony mirrorless users now have ...

Physicists in Toronto observe quantum “negative time”: a pulse of light appears to leave before entering atoms.

Researchers at University of Tsukuba have successfully measured electric fields near the surfaces of two-dimensional layered ...

Learn to evaluate investment managers with the up-market capture ratio, a key tool assessing performance against an index when markets rise. Master its calculation now.

Discover Lovis 2001, a one-of-a-kind rolling-ball microviscometer that operates on Hoeppler's falling ball principle. This falling ball viscometer has an adjustable measurement angle, which ensures ...

Founder Mr Mfazo Hove helps thousands of patients through life-changing treatments.London, October 20, 2025 -- Consultant Ophthalmic Surgeon Mr ...

Optical microcavities have emerged as powerful tools for sensing and imaging, offering advantages over traditional piezoelectric detectors in both ...

Recently, the research team led by Prof. Hanyang Li at Harbin Engineering University has integrated functionalized liquid crystal (LC) microcavities with whispering-gallery-mode (WGM) laser technology ...

The authors describe an interesting approach to studying the dynamics and function of membrane proteins in different lipid environments. The important findings have theoretical and practical ...

Answer: True. Ideally, total internal reflection means that all the light is reflected back into the denser medium, with no ...