Login
Stewart Wills | 14 August 2020
A U.S.-based research team develops nanoscale LEDs that don’t lose brightness as driving current increases—and that become lasers at sufficiently high current densities. read more
William G. Schulz | 13 August 2020
Clever Fabry-Pérot interferometer setup, and a long optical cable, let geologists track fumarole activity from a safe distance. read more
Michael Chappell | 13 August 2020 | Review by Vengu Lakshminarayanan
This well-illustrated book is suitable for an introductory course or for self-study. read more
Edwin Cartlidge | 12 August 2020
Scheme takes advantage of structured light to allow groups of people to communicate securely. read more
Stewart Wills | 09 August 2020
A team at Duke University devises an efficacy test for COVID-19 face coverings, using simple, cheap optical elements—and finds that all masks are not created equal. read more
Stewart Wills | 07 August 2020
Multinational team ties the brilliant metallic blue of a plant’s fruit to a lipid microstructure in the cell wall, a previously unknown mechanism for structural color. read more
Meeri Kim | 06 August 2020
Researchers have created the brightest-ever fluorescent solids with the discovery of self-assembling ionic lattices that prevent quenching. read more
Vitaliy V. Shtykov and Sergey M. Smolskiy | 06 August 2020 | Review by Mircea Dragoman
This introductory textbook can be understood by any physics student. read more
Patricia Daukantas | 05 August 2020
Technique for fabricating flexible single-crystal thin films could enable more efficient solar cells. read more
Rebecca Robinson | 04 August 2020
An engineer discusses the role of empowerment in her career and in leading a research group. read more