May 2021

Multiple consecutive exposures capture the trails of Starlink satellites over Bryce Canyon, Utah, USA.

Will Satellites Cripple Ground-Based Astronomy?

Jeff Hecht

Some worry that the growth of space technology—which originally sprang from humanity’s fascination with the stars—now threatens access to the clear skies vital for research with a new generation of Earth-based telescopes.


Optics and Biometrics

Forget passwords—identity verification can now be accomplished with the touch of a finger or in the blink of an eye as the biometrics field expands to encompass new techniques and application areas.

Optics in Africa: Six Stories

A recently published JOSA A and B feature issue highlighted the wide-ranging optical and photonic research being pursued by scientists on the African continent. For this first installment of a two-part feature, OPN talked with several of the contributors.


Research and Industry News

African Photonics

Is It AR’s Time to Shine?

Harnessing Attosecond Quantum Technologies

Beyond Materials


Recent Issues

May 2021 May 2021
April 2021 April 2021
March 2021 March 2021

Share this Article

ADVERTISEMENT
ADVERTISEMENT